| 2025-12-16 | Yamagata | Record high minimum temperature | 2.6 C (36.7 F) | 0.5 C (0.9 F) | 38 | 19 of 100 (Routine) |
| 2025-12-16 | Hamada | Record high minimum temperature | 10.2 C (50.4 F) | 1.0 C (1.8 F) | 23 | 16 of 100 (Routine) |
| 2025-12-17 | Onahama | Record high minimum temperature | 6.5 C (43.7 F) | 2.2 C (4.0 F) | 72 | 35 of 100 (Notable) |
| 2025-12-17 | Gangneung | Record high minimum temperature | 3.7 C (38.7 F) | 0.9 C (1.6 F) | 28 | 15 of 100 (Routine) |
| 2025-12-19 | Rumoi | Record high maximum temperature | 8.0 C (46.4 F) | 1.2 C (2.2 F) | 72 | 31 of 100 (Routine) |
| 2025-12-19 | Hirado | Record high minimum temperature | 13.1 C (55.6 F) | 0.8 C (1.4 F) | 74 | 31 of 100 (Routine) |
| 2025-12-19 | Hamamatsu | Record high minimum temperature | 9.9 C (49.8 F) | 0.4 C (0.7 F) | 72 | 29 of 100 (Routine) |
| 2025-12-19 | Sukumo | Record high minimum temperature | 12.3 C (54.1 F) | 0.4 C (0.7 F) | 72 | 29 of 100 (Routine) |
| 2025-12-19 | Aomori | Record high minimum temperature | 2.7 C (36.9 F) | 0.3 C (0.5 F) | 67 | 28 of 100 (Routine) |
| 2025-12-19 | Shizuoka | Record high minimum temperature | 10.4 C (50.7 F) | 0.7 C (1.3 F) | 64 | 28 of 100 (Routine) |
| 2025-12-19 | Aburatsu | Record high minimum temperature | 12.4 C (54.3 F) | 0.7 C (1.3 F) | 67 | 28 of 100 (Routine) |
| 2025-12-19 | Wajima | Record high maximum temperature | 16.0 C (60.8 F) | 0.9 C (1.6 F) | 64 | 27 of 100 (Routine) |
| 2025-12-19 | Fukuoka | Record high minimum temperature | 10.4 C (50.7 F) | 0.9 C (1.6 F) | 59 | 27 of 100 (Routine) |
| 2025-12-19 | Hakodate | Record high maximum temperature | 11.7 C (53.1 F) | 2.1 C (3.8 F) | 46 | 25 of 100 (Routine) |
| 2025-12-19 | Izuhara | Record high minimum temperature | 13.9 C (57.0 F) | 2.0 C (3.6 F) | 46 | 25 of 100 (Routine) |
| 2025-12-19 | Ulleungdo | Record high minimum temperature | 12.2 C (54.0 F) | 1.8 C (3.2 F) | 46 | 25 of 100 (Routine) |
| 2025-12-19 | Ushibuka | Record high minimum temperature | 13.7 C (56.7 F) | 0.2 C (0.4 F) | 59 | 24 of 100 (Routine) |
| 2025-12-19 | Mokpo | Record high maximum temperature | 17.5 C (63.5 F) | 0.8 C (1.4 F) | 46 | 24 of 100 (Routine) |
| 2025-12-19 | Otaru | Record high maximum temperature | 8.6 C (47.5 F) | 1.3 C (2.3 F) | 46 | 23 of 100 (Routine) |
| 2025-12-19 | Suttsu | Record high maximum temperature | 10.1 C (50.2 F) | 0.4 C (0.7 F) | 46 | 21 of 100 (Routine) |
| 2025-12-19 | Sasebo Reg Met HQ | Record high maximum temperature | 18.7 C (65.7 F) | 0.3 C (0.5 F) | 46 | 20 of 100 (Routine) |
| 2025-12-19 | Busan | Record high minimum temperature | 12.4 C (54.3 F) | 4.2 C (7.6 F) | 24 | 20 of 100 (Routine) |
| 2025-12-19 | Futenma | Record high minimum temperature | 21.1 C (70.0 F) | 1.7 C (3.1 F) | 20 | 19 of 100 (Routine) |
| 2025-12-19 | Iwamizawa | Record high maximum temperature | 7.9 C (46.2 F) | 0.3 C (0.5 F) | 28 | 15 of 100 (Routine) |
| 2025-12-19 | Hirado | Record high maximum temperature | 18.5 C (65.3 F) | 0.1 C (0.2 F) | 27 | 15 of 100 (Routine) |
| 2025-12-19 | Fukuoka | Record high maximum temperature | 19.5 C (67.1 F) | 0.2 C (0.4 F) | 27 | 15 of 100 (Routine) |
| 2025-12-19 | Saga | Record high maximum temperature | 18.5 C (65.3 F) | 0.1 C (0.2 F) | 27 | 15 of 100 (Routine) |
| 2025-12-19 | Kumamoto | Record high maximum temperature | 19.7 C (67.5 F) | 0.2 C (0.4 F) | 8 | 9 of 100 (Routine) |
| 2025-12-19 | Pohang | Record high minimum temperature | 6.8 C (44.2 F) | 0.7 C (1.3 F) | 8 | 8 of 100 (Routine) |
| 2025-12-19 | Yeosu | Record high minimum temperature | 8.2 C (46.8 F) | 0.2 C (0.4 F) | 8 | 7 of 100 (Routine) |
| 2025-12-19 | Fukaura | Record high maximum temperature (tie) | 12.4 C (54.3 F) | tie | 46 | 5 of 100 (Routine) |
| 2025-12-19 | Wajima | Record high minimum temperature (tie) | 5.2 C (41.4 F) | tie | 39 | 4 of 100 (Routine) |
| 2025-12-20 | Hiroo | Record high minimum temperature | 9.1 C (48.4 F) | 4.7 C (8.5 F) | 57 | 44 of 100 (Notable) |
| 2025-12-20 | Uwajima | Record high minimum temperature | 14.9 C (58.8 F) | 4.9 C (8.8 F) | 67 | 43 of 100 (Notable) |
| 2025-12-20 | Sakai | Record high minimum temperature | 12.3 C (54.1 F) | 4.5 C (8.1 F) | 64 | 42 of 100 (Notable) |
| 2025-12-20 | Tsuruga | Record high minimum temperature | 14.7 C (58.5 F) | 0.9 C (1.6 F) | 71 | 41 of 100 (Notable) |
| 2025-12-20 | Yamaguchi | Record high minimum temperature | 12.1 C (53.8 F) | 6.8 C (12.2 F) | 46 | 41 of 100 (Notable) |
| 2025-12-20 | Fukuoka | Record high maximum temperature | 22.6 C (72.7 F) | 4.4 C (7.9 F) | 74 | 41 of 100 (Notable) |
| 2025-12-20 | Nagasaki | Record high minimum temperature | 13.5 C (56.3 F) | 3.4 C (6.1 F) | 74 | 40 of 100 (Notable) |
| 2025-12-20 | Sukumo | Record high minimum temperature | 14.5 C (58.1 F) | 4.3 C (7.7 F) | 67 | 40 of 100 (Notable) |
| 2025-12-20 | Fukuoka | Record high minimum temperature | 14.4 C (57.9 F) | 4.3 C (7.7 F) | 59 | 38 of 100 (Notable) |
| 2025-12-20 | Fukaura | Record high minimum temperature | 12.3 C (54.1 F) | 2.7 C (4.9 F) | 37 | 37 of 100 (Notable) |
| 2025-12-20 | Nagasaki | Record high maximum temperature | 21.7 C (71.1 F) | 3.1 C (5.6 F) | 74 | 37 of 100 (Notable) |
| 2025-12-20 | Hitoyoshi | Record high minimum temperature | 11.4 C (52.5 F) | 3.2 C (5.8 F) | 74 | 37 of 100 (Notable) |
| 2025-12-20 | Matsuyama | Record high minimum temperature | 12.0 C (53.6 F) | 2.9 C (5.2 F) | 67 | 37 of 100 (Notable) |
| 2025-12-20 | Mutsu | Record high minimum temperature | 6.3 C (43.3 F) | 3.1 C (5.6 F) | 67 | 36 of 100 (Notable) |
| 2025-12-20 | Yonago | Record high maximum temperature | 21.2 C (70.2 F) | 2.8 C (5.0 F) | 74 | 36 of 100 (Notable) |
| 2025-12-20 | Kyoto | Record high minimum temperature | 11.7 C (53.1 F) | 2.7 C (4.9 F) | 67 | 36 of 100 (Notable) |
| 2025-12-20 | Iizuka | Record high maximum temperature | 21.7 C (71.1 F) | 3.0 C (5.4 F) | 74 | 36 of 100 (Notable) |
| 2025-12-20 | Sasebo Reg Met HQ | Record high minimum temperature | 12.9 C (55.2 F) | 3.8 C (6.8 F) | 59 | 36 of 100 (Notable) |
| 2025-12-20 | Asahikawa | Record high minimum temperature | 1.6 C (34.9 F) | 3.1 C (5.6 F) | 74 | 35 of 100 (Notable) |
| 2025-12-20 | Hakodate | Record high minimum temperature | 6.9 C (44.4 F) | 0.4 C (0.7 F) | 57 | 35 of 100 (Notable) |
| 2025-12-20 | Kanazawa | Record high minimum temperature | 11.0 C (51.8 F) | 2.3 C (4.1 F) | 67 | 35 of 100 (Notable) |
| 2025-12-20 | Owase | Record high minimum temperature | 12.9 C (55.2 F) | 2.7 C (4.9 F) | 67 | 35 of 100 (Notable) |
| 2025-12-20 | Nikko | Record high minimum temperature | 3.4 C (38.1 F) | 2.3 C (4.1 F) | 71 | 35 of 100 (Notable) |
| 2025-12-20 | Shirakawa | Record high minimum temperature | 8.1 C (46.6 F) | 2.1 C (3.8 F) | 67 | 34 of 100 (Routine) |
| 2025-12-20 | Tsu | Record high minimum temperature | 11.0 C (51.8 F) | 2.2 C (4.0 F) | 67 | 34 of 100 (Routine) |
| 2025-12-20 | Irozaki | Record high minimum temperature | 14.9 C (58.8 F) | 1.9 C (3.4 F) | 67 | 34 of 100 (Routine) |
| 2025-12-20 | Wakayama | Record high minimum temperature | 12.0 C (53.6 F) | 2.1 C (3.8 F) | 67 | 34 of 100 (Routine) |
| 2025-12-20 | Nara | Record high minimum temperature | 10.2 C (50.4 F) | 2.1 C (3.8 F) | 67 | 34 of 100 (Routine) |
| 2025-12-20 | Sasebo Reg Met HQ | Record high maximum temperature | 21.1 C (70.0 F) | 2.6 C (4.7 F) | 72 | 34 of 100 (Routine) |
| 2025-12-20 | Hita | Record high maximum temperature | 21.7 C (71.1 F) | 2.6 C (4.7 F) | 72 | 34 of 100 (Routine) |
| 2025-12-20 | Toyama | Record high minimum temperature | 14.8 C (58.6 F) | 1.9 C (3.4 F) | 33 | 33 of 100 (Routine) |
| 2025-12-20 | Hirado | Record high maximum temperature | 19.8 C (67.6 F) | 1.6 C (2.9 F) | 74 | 33 of 100 (Routine) |
| 2025-12-20 | Saga | Record high maximum temperature | 20.2 C (68.4 F) | 1.8 C (3.2 F) | 72 | 33 of 100 (Routine) |
| 2025-12-20 | Kofu | Record high minimum temperature | 6.9 C (44.4 F) | 1.6 C (2.9 F) | 67 | 32 of 100 (Routine) |
| 2025-12-20 | Tottori | Record high maximum temperature | 19.2 C (66.6 F) | 1.4 C (2.5 F) | 74 | 32 of 100 (Routine) |
| 2025-12-20 | Maizuru Reg Met HQ | Record high minimum temperature | 11.6 C (52.9 F) | 4.8 C (8.6 F) | 20 | 32 of 100 (Routine) |
| 2025-12-20 | Makurazaki | Record high minimum temperature | 15.6 C (60.1 F) | 2.9 C (5.2 F) | 59 | 32 of 100 (Routine) |
| 2025-12-20 | Wajima | Record high maximum temperature | 20.6 C (69.1 F) | 4.6 C (8.3 F) | 46 | 31 of 100 (Routine) |
| 2025-12-20 | Hamamatsu | Record high minimum temperature | 12.0 C (53.6 F) | 1.3 C (2.3 F) | 67 | 31 of 100 (Routine) |
| 2025-12-20 | Omaezaki | Record high minimum temperature | 13.2 C (55.8 F) | 1.6 C (2.9 F) | 67 | 31 of 100 (Routine) |
| 2025-12-20 | Sumoto | Record high maximum temperature | 18.1 C (64.6 F) | 0.7 C (1.3 F) | 74 | 31 of 100 (Routine) |
| 2025-12-20 | Wakayama | Record high maximum temperature | 19.2 C (66.6 F) | 0.7 C (1.3 F) | 74 | 31 of 100 (Routine) |
| 2025-12-20 | Uwajima | Record high maximum temperature | 20.3 C (68.5 F) | 0.8 C (1.4 F) | 74 | 31 of 100 (Routine) |
| 2025-12-20 | Kochi | Record high minimum temperature | 11.4 C (52.5 F) | 1.5 C (2.7 F) | 67 | 31 of 100 (Routine) |
| 2025-12-20 | Ueno | Record high minimum temperature | 8.6 C (47.5 F) | 1.1 C (2.0 F) | 67 | 30 of 100 (Routine) |
| 2025-12-20 | Kure Reg Met HQ | Record high minimum temperature | 11.2 C (52.2 F) | 1.3 C (2.3 F) | 67 | 30 of 100 (Routine) |
| 2025-12-20 | Hirado | Record high minimum temperature | 12.6 C (54.7 F) | 0.5 C (0.9 F) | 74 | 30 of 100 (Routine) |
| 2025-12-20 | Omu | Record high minimum temperature | 0.2 C (32.4 F) | 0.4 C (0.7 F) | 74 | 29 of 100 (Routine) |
| 2025-12-20 | Takayama | Record high minimum temperature | 4.4 C (39.9 F) | 0.8 C (1.4 F) | 67 | 29 of 100 (Routine) |
| 2025-12-20 | Karuizawa | Record high minimum temperature | 2.2 C (36.0 F) | 2.0 C (3.6 F) | 60 | 29 of 100 (Routine) |
| 2025-12-20 | Tottori | Record high minimum temperature | 14.5 C (58.1 F) | 1.0 C (1.8 F) | 33 | 29 of 100 (Routine) |
| 2025-12-20 | Izuhara | Record high maximum temperature | 18.9 C (66.0 F) | 0.1 C (0.2 F) | 74 | 29 of 100 (Routine) |
| 2025-12-20 | Sukumo | Record high maximum temperature | 20.0 C (68.0 F) | 0.2 C (0.4 F) | 74 | 29 of 100 (Routine) |
| 2025-12-20 | Abashiri | Record high minimum temperature | 2.4 C (36.3 F) | 0.2 C (0.4 F) | 71 | 28 of 100 (Routine) |
| 2025-12-20 | Kawaguchiko | Record high minimum temperature | 6.1 C (43.0 F) | 0.4 C (0.7 F) | 67 | 28 of 100 (Routine) |
| 2025-12-20 | Ajiro | Record high minimum temperature | 12.1 C (53.8 F) | 0.5 C (0.9 F) | 67 | 28 of 100 (Routine) |
| 2025-12-20 | Matsue | Record high minimum temperature | 10.7 C (51.3 F) | 3.4 C (6.1 F) | 28 | 28 of 100 (Routine) |
| 2025-12-20 | Sakai | Record high maximum temperature | 20.8 C (69.4 F) | 3.1 C (5.6 F) | 46 | 28 of 100 (Routine) |
| 2025-12-20 | Fukuyama | Record high minimum temperature | 8.3 C (46.9 F) | 2.4 C (4.3 F) | 46 | 28 of 100 (Routine) |
| 2025-12-20 | Nara | Record high maximum temperature | 20.1 C (68.2 F) | 2.8 C (5.0 F) | 46 | 28 of 100 (Routine) |
| 2025-12-20 | Osaka | Record high minimum temperature | 13.0 C (55.4 F) | 3.6 C (6.5 F) | 28 | 28 of 100 (Routine) |
| 2025-12-20 | Aomori | Record high maximum temperature | 16.7 C (62.1 F) | 3.1 C (5.6 F) | 46 | 27 of 100 (Routine) |
| 2025-12-20 | Fushiki | Record high minimum temperature | 10.2 C (50.4 F) | 1.9 C (3.4 F) | 46 | 27 of 100 (Routine) |
| 2025-12-20 | Katsuura | Record high minimum temperature | 16.4 C (61.5 F) | 2.2 C (4.0 F) | 46 | 27 of 100 (Routine) |
| 2025-12-20 | Yokkaichi | Record high minimum temperature | 10.9 C (51.6 F) | 2.6 C (4.7 F) | 46 | 27 of 100 (Routine) |
| 2025-12-20 | Miyazaki | Record high minimum temperature | 12.7 C (54.9 F) | 1.3 C (2.3 F) | 59 | 27 of 100 (Routine) |
| 2025-12-20 | Osaka | Record high maximum temperature | 20.2 C (68.4 F) | 2.2 C (4.0 F) | 46 | 27 of 100 (Routine) |
| 2025-12-20 | Miyako | Record high minimum temperature | 6.7 C (44.1 F) | 1.8 C (3.2 F) | 46 | 26 of 100 (Routine) |
| 2025-12-20 | Aikawa | Record high maximum temperature | 18.1 C (64.6 F) | 2.2 C (4.0 F) | 46 | 26 of 100 (Routine) |
| 2025-12-20 | Kanazawa | Record high maximum temperature | 22.1 C (71.8 F) | 2.5 C (4.5 F) | 46 | 26 of 100 (Routine) |
| 2025-12-20 | Kobe | Record high minimum temperature | 13.6 C (56.5 F) | 3.2 C (5.8 F) | 28 | 26 of 100 (Routine) |
| 2025-12-20 | Sumoto | Record high minimum temperature | 12.6 C (54.7 F) | 1.8 C (3.2 F) | 46 | 26 of 100 (Routine) |
| 2025-12-20 | Gifu | Record high minimum temperature | 10.5 C (50.9 F) | 1.5 C (2.7 F) | 46 | 25 of 100 (Routine) |
| 2025-12-20 | Nagoya | Record high minimum temperature | 10.2 C (50.4 F) | 1.5 C (2.7 F) | 46 | 25 of 100 (Routine) |
| 2025-12-20 | Miyakejima | Record high minimum temperature | 16.9 C (62.4 F) | 1.7 C (3.1 F) | 46 | 25 of 100 (Routine) |
| 2025-12-20 | Maizuru Reg Met HQ | Record high maximum temperature | 20.1 C (68.2 F) | 2.1 C (3.8 F) | 46 | 25 of 100 (Routine) |
| 2025-12-20 | Nobeoka | Record high minimum temperature | 14.1 C (57.4 F) | 3.8 C (6.8 F) | 28 | 25 of 100 (Routine) |
| 2025-12-20 | Tanegashima | Record high minimum temperature | 16.7 C (62.1 F) | 0.5 C (0.9 F) | 59 | 25 of 100 (Routine) |
| 2025-12-20 | Esashi | Record high minimum temperature | 7.5 C (45.5 F) | 1.5 C (2.7 F) | 46 | 24 of 100 (Routine) |
| 2025-12-20 | Fukaura | Record high maximum temperature | 15.3 C (59.5 F) | 1.7 C (3.1 F) | 46 | 24 of 100 (Routine) |
| 2025-12-20 | Takada | Record high maximum temperature | 20.2 C (68.4 F) | 2.1 C (3.8 F) | 46 | 24 of 100 (Routine) |
| 2025-12-20 | Shizuoka | Record high minimum temperature | 12.2 C (54.0 F) | 1.5 C (2.7 F) | 46 | 24 of 100 (Routine) |
| 2025-12-20 | Yonago | Record high minimum temperature | 11.7 C (53.1 F) | 2.6 C (4.7 F) | 28 | 24 of 100 (Routine) |
| 2025-12-20 | Ulleungdo | Record high maximum temperature | 16.2 C (61.2 F) | 1.4 C (2.5 F) | 46 | 24 of 100 (Routine) |
| 2025-12-20 | Fukui | Record high minimum temperature | 9.9 C (49.8 F) | 1.0 C (1.8 F) | 46 | 23 of 100 (Routine) |
| 2025-12-20 | Hamada | Record high maximum temperature | 21.8 C (71.2 F) | 4.2 C (7.6 F) | 16 | 23 of 100 (Routine) |
| 2025-12-20 | Murotomisaki | Record high minimum temperature | 15.6 C (60.1 F) | 1.1 C (2.0 F) | 46 | 23 of 100 (Routine) |
| 2025-12-20 | Kutchan | Record high minimum temperature | 2.2 C (36.0 F) | 1.1 C (2.0 F) | 46 | 22 of 100 (Routine) |
| 2025-12-20 | Hachinohe | Record high maximum temperature | 16.3 C (61.3 F) | 0.9 C (1.6 F) | 46 | 22 of 100 (Routine) |
| 2025-12-20 | Wajima | Record high minimum temperature | 10.1 C (50.2 F) | 2.1 C (3.8 F) | 28 | 22 of 100 (Routine) |
| 2025-12-20 | Tateyama | Record high minimum temperature | 11.2 C (52.2 F) | 1.6 C (2.9 F) | 46 | 22 of 100 (Routine) |
| 2025-12-20 | Himeji | Record high minimum temperature | 9.5 C (49.1 F) | 2.1 C (3.8 F) | 28 | 22 of 100 (Routine) |
| 2025-12-20 | Hita | Record high minimum temperature | 11.7 C (53.1 F) | 4.4 C (7.9 F) | 8 | 22 of 100 (Routine) |
| 2025-12-20 | Oita | Record high minimum temperature | 12.2 C (54.0 F) | 2.3 C (4.1 F) | 28 | 22 of 100 (Routine) |
| 2025-12-20 | Iwamizawa | Record high minimum temperature | 2.2 C (36.0 F) | 0.6 C (1.1 F) | 46 | 21 of 100 (Routine) |
| 2025-12-20 | Hakodate | Record high maximum temperature | 14.5 C (58.1 F) | 0.8 C (1.4 F) | 46 | 21 of 100 (Routine) |
| 2025-12-20 | Sendai | Record high maximum temperature | 16.7 C (62.1 F) | 0.5 C (0.9 F) | 46 | 21 of 100 (Routine) |
| 2025-12-20 | Irako | Record high minimum temperature | 11.5 C (52.7 F) | 0.4 C (0.7 F) | 46 | 21 of 100 (Routine) |
| 2025-12-20 | Miyakonojo | Record high minimum temperature | 12.5 C (54.5 F) | 2.4 C (4.3 F) | 28 | 21 of 100 (Routine) |
| 2025-12-20 | Urakawa | Record high minimum temperature | 6.1 C (43.0 F) | 0.2 C (0.4 F) | 46 | 20 of 100 (Routine) |
| 2025-12-20 | Matsue | Record high maximum temperature | 20.5 C (68.9 F) | 3.1 C (5.6 F) | 16 | 20 of 100 (Routine) |
| 2025-12-20 | Hikone | Record high minimum temperature | 8.9 C (48.0 F) | 0.2 C (0.4 F) | 46 | 20 of 100 (Routine) |
| 2025-12-20 | Aburatsu | Record high minimum temperature | 15.0 C (59.0 F) | 1.9 C (3.4 F) | 28 | 20 of 100 (Routine) |
| 2025-12-20 | Jeju | Record high maximum temperature | 20.4 C (68.7 F) | 3.7 C (6.7 F) | 16 | 20 of 100 (Routine) |
| 2025-12-20 | Hiroo | Record high maximum temperature | 14.5 C (58.1 F) | 0.2 C (0.4 F) | 46 | 19 of 100 (Routine) |
| 2025-12-20 | Fushiki | Record high maximum temperature | 21.4 C (70.5 F) | 2.7 C (4.9 F) | 20 | 19 of 100 (Routine) |
| 2025-12-20 | Chiba | Record high minimum temperature | 8.1 C (46.6 F) | 0.4 C (0.7 F) | 46 | 19 of 100 (Routine) |
| 2025-12-20 | Kobe | Record high maximum temperature | 19.6 C (67.3 F) | 2.0 C (3.6 F) | 20 | 19 of 100 (Routine) |
| 2025-12-20 | Shionomisaki | Record high minimum temperature | 14.6 C (58.3 F) | 1.3 C (2.3 F) | 28 | 19 of 100 (Routine) |
| 2025-12-20 | Tokushima | Record high minimum temperature | 11.2 C (52.2 F) | 1.1 C (2.0 F) | 28 | 19 of 100 (Routine) |
| 2025-12-20 | Yeosu | Record high maximum temperature | 15.5 C (59.9 F) | 0.5 C (0.9 F) | 46 | 19 of 100 (Routine) |
| 2025-12-20 | Yamaguchi | Record high maximum temperature | 18.3 C (64.9 F) | 0.2 C (0.4 F) | 46 | 18 of 100 (Routine) |
| 2025-12-20 | Kagoshima | Record high minimum temperature | 15.2 C (59.4 F) | 2.0 C (3.6 F) | 23 | 18 of 100 (Routine) |
| 2025-12-20 | Fukui | Record high maximum temperature | 20.0 C (68.0 F) | 1.8 C (3.2 F) | 20 | 17 of 100 (Routine) |
| 2025-12-20 | Shimonoseki | Record high minimum temperature | 13.9 C (57.0 F) | 2.2 C (4.0 F) | 8 | 17 of 100 (Routine) |
| 2025-12-20 | Kumamoto | Record high maximum temperature | 21.8 C (71.2 F) | 2.5 C (4.5 F) | 15 | 17 of 100 (Routine) |
| 2025-12-20 | Akune | Record high minimum temperature | 14.9 C (58.8 F) | 2.1 C (3.8 F) | 15 | 17 of 100 (Routine) |
| 2025-12-20 | Iizuka | Record high minimum temperature | 12.2 C (54.0 F) | 2.3 C (4.1 F) | 8 | 16 of 100 (Routine) |
| 2025-12-20 | Saga | Record high minimum temperature | 13.1 C (55.6 F) | 2.2 C (4.0 F) | 8 | 16 of 100 (Routine) |
| 2025-12-20 | Kumamoto | Record high minimum temperature | 12.5 C (54.5 F) | 2.7 C (4.9 F) | 8 | 16 of 100 (Routine) |
| 2025-12-20 | Toyama | Record high maximum temperature | 20.3 C (68.5 F) | 1.0 C (1.8 F) | 20 | 15 of 100 (Routine) |
| 2025-12-20 | Yokohama | Record high minimum temperature | 9.0 C (48.2 F) | 0.2 C (0.4 F) | 28 | 15 of 100 (Routine) |
| 2025-12-20 | Mombetsu | Record high minimum temperature | 0.3 C (32.5 F) | 1.5 C (2.7 F) | 12 | 14 of 100 (Routine) |
| 2025-12-20 | Shimizu | Record high minimum temperature | 16.9 C (62.4 F) | 1.9 C (3.4 F) | 8 | 14 of 100 (Routine) |
| 2025-12-20 | Busan | Record high maximum temperature | 19.3 C (66.7 F) | 2.5 C (4.5 F) | 15 | 14 of 100 (Routine) |
| 2025-12-20 | Pohang | Record high maximum temperature | 17.6 C (63.7 F) | 2.0 C (3.6 F) | 15 | 13 of 100 (Routine) |
| 2025-12-20 | Saigo | Record high maximum temperature | 18.7 C (65.7 F) | 1.3 C (2.3 F) | 8 | 12 of 100 (Routine) |
| 2025-12-20 | Hiroshima | Record high minimum temperature | 10.4 C (50.7 F) | 0.8 C (1.4 F) | 8 | 11 of 100 (Routine) |
| 2025-12-20 | Ushibuka | Record high minimum temperature | 15.0 C (59.0 F) | 0.3 C (0.5 F) | 15 | 11 of 100 (Routine) |
| 2025-12-20 | Fukue | Record high maximum temperature | 20.8 C (69.4 F) | 1.2 C (2.2 F) | 8 | 11 of 100 (Routine) |
| 2025-12-20 | Fukue | Record high minimum temperature (tie) | 12.4 C (54.3 F) | tie | 32 | 3 of 100 (Routine) |
| 2025-12-21 | Miyako | Record high maximum temperature | 21.6 C (70.9 F) | 6.6 C (11.9 F) | 74 | 46 of 100 (Notable) |
| 2025-12-21 | Chichibu | Record high minimum temperature | 6.9 C (44.4 F) | 5.6 C (10.1 F) | 70 | 46 of 100 (Notable) |
| 2025-12-21 | Sendai | Record high maximum temperature | 19.4 C (66.9 F) | 2.9 C (5.2 F) | 74 | 36 of 100 (Notable) |
| 2025-12-21 | Hiroo | Record high maximum temperature | 13.9 C (57.0 F) | 4.6 C (8.3 F) | 56 | 35 of 100 (Notable) |
| 2025-12-21 | Aomori | Record high maximum temperature | 14.9 C (58.8 F) | 4.4 C (7.9 F) | 56 | 35 of 100 (Notable) |
| 2025-12-21 | Kawaguchiko | Record high minimum temperature | 3.2 C (37.8 F) | 2.1 C (3.8 F) | 70 | 34 of 100 (Routine) |
| 2025-12-21 | Ofunato | Record high maximum temperature | 18.6 C (65.5 F) | 5.6 C (10.1 F) | 46 | 33 of 100 (Routine) |
| 2025-12-21 | Hachinohe | Record high maximum temperature | 18.5 C (65.3 F) | 2.3 C (4.1 F) | 70 | 33 of 100 (Routine) |
| 2025-12-21 | Aikawa | Record high maximum temperature | 16.9 C (62.4 F) | 1.6 C (2.9 F) | 74 | 33 of 100 (Routine) |
| 2025-12-21 | Hakodate | Record high maximum temperature | 13.0 C (55.4 F) | 1.4 C (2.5 F) | 70 | 31 of 100 (Routine) |
| 2025-12-21 | Onahama | Record high minimum temperature | 7.6 C (45.7 F) | 0.9 C (1.6 F) | 70 | 31 of 100 (Routine) |
| 2025-12-21 | Nagoya | Record high minimum temperature | 8.2 C (46.8 F) | 2.0 C (3.6 F) | 56 | 31 of 100 (Routine) |
| 2025-12-21 | Irako | Record high minimum temperature | 9.7 C (49.5 F) | 1.2 C (2.2 F) | 67 | 31 of 100 (Routine) |
| 2025-12-21 | Miyako | Record high minimum temperature | 4.3 C (39.7 F) | 1.6 C (2.9 F) | 60 | 30 of 100 (Routine) |
| 2025-12-21 | Ishinomaki | Record high maximum temperature | 15.6 C (60.1 F) | 0.4 C (0.7 F) | 74 | 30 of 100 (Routine) |
| 2025-12-21 | Fushiki | Record high maximum temperature | 17.2 C (63.0 F) | 0.4 C (0.7 F) | 74 | 29 of 100 (Routine) |
| 2025-12-21 | Utsunomiya | Record high minimum temperature | 8.1 C (46.6 F) | 3.2 C (5.8 F) | 46 | 29 of 100 (Routine) |
| 2025-12-21 | Shizuoka | Record high minimum temperature | 11.5 C (52.7 F) | 2.9 C (5.2 F) | 46 | 29 of 100 (Routine) |
| 2025-12-21 | Hikone | Record high minimum temperature | 7.7 C (45.9 F) | 1.4 C (2.5 F) | 56 | 29 of 100 (Routine) |
| 2025-12-21 | Fukaura | Record high maximum temperature | 12.8 C (55.0 F) | 0.3 C (0.5 F) | 70 | 28 of 100 (Routine) |
| 2025-12-21 | Kofu | Record high minimum temperature | 6.7 C (44.1 F) | 2.5 C (4.5 F) | 46 | 28 of 100 (Routine) |
| 2025-12-21 | Fukushima Arpt | Record high minimum temperature | 5.2 C (41.4 F) | 2.1 C (3.8 F) | 46 | 27 of 100 (Routine) |
| 2025-12-21 | Iida | Record high minimum temperature | 4.7 C (40.5 F) | 0.3 C (0.5 F) | 67 | 27 of 100 (Routine) |
| 2025-12-21 | Yokkaichi | Record high minimum temperature | 7.6 C (45.7 F) | 1.5 C (2.7 F) | 56 | 27 of 100 (Routine) |
| 2025-12-21 | Wakayama | Record high minimum temperature | 9.4 C (48.9 F) | 0.9 C (1.6 F) | 56 | 27 of 100 (Routine) |
| 2025-12-21 | Wajima | Record high maximum temperature | 17.4 C (63.3 F) | 2.6 C (4.7 F) | 46 | 26 of 100 (Routine) |
| 2025-12-21 | Mishima | Record high minimum temperature | 10.9 C (51.6 F) | 2.3 C (4.1 F) | 46 | 26 of 100 (Routine) |
| 2025-12-21 | Kyoto | Record high minimum temperature | 8.0 C (46.4 F) | 0.6 C (1.1 F) | 56 | 26 of 100 (Routine) |
| 2025-12-21 | Urakawa | Record high maximum temperature | 11.6 C (52.9 F) | 0.7 C (1.3 F) | 56 | 25 of 100 (Routine) |
| 2025-12-21 | Gifu | Record high minimum temperature | 7.9 C (46.2 F) | 0.4 C (0.7 F) | 56 | 25 of 100 (Routine) |
| 2025-12-21 | Kumagaya | Record high minimum temperature | 7.4 C (45.3 F) | 0.9 C (1.6 F) | 46 | 23 of 100 (Routine) |
| 2025-12-21 | Osaka | Record high minimum temperature | 8.8 C (47.8 F) | 0.8 C (1.4 F) | 46 | 23 of 100 (Routine) |
| 2025-12-21 | Chiba | Record high minimum temperature | 10.2 C (50.4 F) | 1.1 C (2.0 F) | 46 | 21 of 100 (Routine) |
| 2025-12-21 | Maebashi | Record high minimum temperature | 6.7 C (44.1 F) | 0.1 C (0.2 F) | 46 | 20 of 100 (Routine) |
| 2025-12-21 | Mito | Record high minimum temperature | 6.9 C (44.4 F) | 2.2 C (4.0 F) | 19 | 19 of 100 (Routine) |
| 2025-12-21 | Maizuru Reg Met HQ | Record high minimum temperature | 8.6 C (47.5 F) | 1.9 C (3.4 F) | 16 | 19 of 100 (Routine) |
| 2025-12-21 | Takada | Record high maximum temperature | 20.4 C (68.7 F) | 2.8 C (5.0 F) | 16 | 18 of 100 (Routine) |
| 2025-12-21 | Kanazawa | Record high maximum temperature | 19.7 C (67.5 F) | 1.3 C (2.3 F) | 16 | 15 of 100 (Routine) |
| 2025-12-21 | Ueno | Record high minimum temperature | 7.0 C (44.6 F) | 1.7 C (3.1 F) | 10 | 15 of 100 (Routine) |
| 2025-12-21 | Tsu | Record high minimum temperature | 8.4 C (47.1 F) | 1.4 C (2.5 F) | 10 | 14 of 100 (Routine) |
| 2025-12-21 | Nikko | Record high maximum temperature | 11.4 C (52.5 F) | 0.1 C (0.2 F) | 16 | 12 of 100 (Routine) |
| 2025-12-21 | Nara | Record high minimum temperature | 6.8 C (44.2 F) | 0.8 C (1.4 F) | 7 | 11 of 100 (Routine) |
| 2025-12-21 | Tottori | Record high minimum temperature (tie) | 7.0 C (44.6 F) | tie | 70 | 7 of 100 (Routine) |
| 2025-12-21 | Ofunato | Record high minimum temperature (tie) | 4.7 C (40.5 F) | tie | 60 | 6 of 100 (Routine) |
| 2025-12-23 | Izuhara | Record high minimum temperature | 12.6 C (54.7 F) | 2.6 C (4.7 F) | 52 | 29 of 100 (Routine) |
| 2025-12-23 | Hirado | Record high minimum temperature | 11.7 C (53.1 F) | 0.8 C (1.4 F) | 60 | 27 of 100 (Routine) |
| 2025-12-23 | Fukue | Record high minimum temperature | 13.6 C (56.5 F) | 1.8 C (3.2 F) | 52 | 27 of 100 (Routine) |
| 2025-12-23 | Omaezaki | Record high minimum temperature | 10.5 C (50.9 F) | 0.3 C (0.5 F) | 60 | 25 of 100 (Routine) |
| 2025-12-23 | Aburatsu | Record high minimum temperature | 12.6 C (54.7 F) | 1.8 C (3.2 F) | 48 | 25 of 100 (Routine) |
| 2025-12-23 | Fukue | Record high maximum temperature | 18.3 C (64.9 F) | 0.2 C (0.4 F) | 60 | 24 of 100 (Routine) |
| 2025-12-23 | Jeju | Record high maximum temperature | 17.9 C (64.2 F) | 2.0 C (3.6 F) | 34 | 20 of 100 (Routine) |
| 2025-12-23 | Jeju | Record high minimum temperature | 11.1 C (52.0 F) | 1.6 C (2.9 F) | 34 | 20 of 100 (Routine) |
| 2025-12-23 | Futenma | Record high minimum temperature | 19.4 C (66.9 F) | 0.5 C (0.9 F) | 27 | 16 of 100 (Routine) |
| 2025-12-23 | Naze | Record high minimum temperature | 18.9 C (66.0 F) | 0.2 C (0.4 F) | 10 | 10 of 100 (Routine) |
| 2025-12-24 | Miyako | Record high minimum temperature | 7.5 C (45.5 F) | 3.8 C (6.8 F) | 60 | 37 of 100 (Notable) |
| 2025-12-24 | Urakawa | Record high minimum temperature | 5.6 C (42.1 F) | 3.1 C (5.6 F) | 60 | 34 of 100 (Routine) |
| 2025-12-24 | Hachinohe | Record high minimum temperature | 6.0 C (42.8 F) | 2.5 C (4.5 F) | 60 | 33 of 100 (Routine) |
| 2025-12-24 | Tanegashima | Record high minimum temperature | 17.1 C (62.8 F) | 2.0 C (3.6 F) | 67 | 33 of 100 (Routine) |
| 2025-12-24 | Miyazaki | Record high minimum temperature | 12.7 C (54.9 F) | 4.2 C (7.6 F) | 48 | 32 of 100 (Routine) |
| 2025-12-24 | Fukui | Record high minimum temperature | 9.9 C (49.8 F) | 1.6 C (2.9 F) | 60 | 31 of 100 (Routine) |
| 2025-12-24 | Mutsu | Record high minimum temperature | 4.7 C (40.5 F) | 1.7 C (3.1 F) | 62 | 30 of 100 (Routine) |
| 2025-12-24 | Takada | Record high minimum temperature | 8.2 C (46.8 F) | 1.4 C (2.5 F) | 60 | 30 of 100 (Routine) |
| 2025-12-24 | Iizuka | Record high minimum temperature | 10.4 C (50.7 F) | 1.7 C (3.1 F) | 62 | 30 of 100 (Routine) |
| 2025-12-24 | Sasebo Reg Met HQ | Record high minimum temperature | 12.2 C (54.0 F) | 1.1 C (2.0 F) | 67 | 30 of 100 (Routine) |
| 2025-12-24 | Saga | Record high minimum temperature | 11.4 C (52.5 F) | 2.5 C (4.5 F) | 52 | 30 of 100 (Routine) |
| 2025-12-24 | Kagoshima | Record high minimum temperature | 15.2 C (59.4 F) | 3.7 C (6.7 F) | 48 | 30 of 100 (Routine) |
| 2025-12-24 | Kobe | Record high minimum temperature | 12.0 C (53.6 F) | 1.2 C (2.2 F) | 60 | 29 of 100 (Routine) |
| 2025-12-24 | Yamaguchi | Record high minimum temperature | 10.0 C (50.0 F) | 2.7 C (4.9 F) | 52 | 29 of 100 (Routine) |
| 2025-12-24 | Ushibuka | Record high minimum temperature | 13.7 C (56.7 F) | 1.5 C (2.7 F) | 62 | 29 of 100 (Routine) |
| 2025-12-24 | Sapporo | Record high minimum temperature | 2.5 C (36.5 F) | 1.2 C (2.2 F) | 62 | 28 of 100 (Routine) |
| 2025-12-24 | Hakodate | Record high minimum temperature | 2.9 C (37.2 F) | 1.1 C (2.0 F) | 62 | 28 of 100 (Routine) |
| 2025-12-24 | Shirakawa | Record high minimum temperature | 4.5 C (40.1 F) | 0.9 C (1.6 F) | 60 | 28 of 100 (Routine) |
| 2025-12-24 | Toyama | Record high minimum temperature | 9.8 C (49.6 F) | 1.0 C (1.8 F) | 60 | 28 of 100 (Routine) |
| 2025-12-24 | Tottori | Record high minimum temperature | 11.2 C (52.2 F) | 1.0 C (1.8 F) | 62 | 28 of 100 (Routine) |
| 2025-12-24 | Sukumo | Record high minimum temperature | 12.7 C (54.9 F) | 1.9 C (3.4 F) | 52 | 28 of 100 (Routine) |
| 2025-12-24 | Abashiri | Record high minimum temperature | 1.0 C (33.8 F) | 0.8 C (1.4 F) | 60 | 27 of 100 (Routine) |
| 2025-12-24 | Tsuruga | Record high minimum temperature | 11.6 C (52.9 F) | 0.8 C (1.4 F) | 60 | 27 of 100 (Routine) |
| 2025-12-24 | Haboro | Record high minimum temperature | 0.1 C (32.2 F) | 0.5 C (0.9 F) | 62 | 26 of 100 (Routine) |
| 2025-12-24 | Rumoi | Record high minimum temperature | 0.8 C (33.4 F) | 0.5 C (0.9 F) | 60 | 26 of 100 (Routine) |
| 2025-12-24 | Aomori | Record high minimum temperature | 2.7 C (36.9 F) | 0.3 C (0.5 F) | 62 | 26 of 100 (Routine) |
| 2025-12-24 | Fushiki | Record high minimum temperature | 9.3 C (48.7 F) | 0.4 C (0.7 F) | 60 | 26 of 100 (Routine) |
| 2025-12-24 | Omaezaki | Record high minimum temperature | 12.2 C (54.0 F) | 0.6 C (1.1 F) | 60 | 26 of 100 (Routine) |
| 2025-12-24 | Himeji | Record high minimum temperature | 10.1 C (50.2 F) | 1.3 C (2.3 F) | 52 | 26 of 100 (Routine) |
| 2025-12-24 | Hita | Record high minimum temperature | 9.2 C (48.6 F) | 1.6 C (2.9 F) | 52 | 26 of 100 (Routine) |
| 2025-12-24 | Miyakonojo | Record high minimum temperature | 10.9 C (51.6 F) | 2.1 C (3.8 F) | 48 | 26 of 100 (Routine) |
| 2025-12-24 | Aburatsu | Record high minimum temperature | 13.3 C (55.9 F) | 2.0 C (3.6 F) | 48 | 26 of 100 (Routine) |
| 2025-12-24 | Uwajima | Record high minimum temperature | 11.6 C (52.9 F) | 1.2 C (2.2 F) | 52 | 26 of 100 (Routine) |
| 2025-12-24 | Osaka | Record high minimum temperature | 10.4 C (50.7 F) | 2.1 C (3.8 F) | 43 | 26 of 100 (Routine) |
| 2025-12-24 | Iwamizawa | Record high minimum temperature | 0.8 C (33.4 F) | 0.2 C (0.4 F) | 60 | 25 of 100 (Routine) |
| 2025-12-24 | Kutchan | Record high minimum temperature | 1.0 C (33.8 F) | 0.4 C (0.7 F) | 60 | 25 of 100 (Routine) |
| 2025-12-24 | Onahama | Record high minimum temperature | 7.1 C (44.8 F) | 0.1 C (0.2 F) | 60 | 25 of 100 (Routine) |
| 2025-12-24 | Nagoya | Record high minimum temperature | 9.4 C (48.9 F) | 0.1 C (0.2 F) | 60 | 25 of 100 (Routine) |
| 2025-12-24 | Owase | Record high minimum temperature | 11.7 C (53.1 F) | 1.0 C (1.8 F) | 52 | 25 of 100 (Routine) |
| 2025-12-24 | Nobeoka | Record high minimum temperature | 12.0 C (53.6 F) | 1.3 C (2.3 F) | 52 | 24 of 100 (Routine) |
| 2025-12-24 | Wajima | Record high minimum temperature | 8.7 C (47.7 F) | 0.5 C (0.9 F) | 52 | 23 of 100 (Routine) |
| 2025-12-24 | Gifu | Record high minimum temperature | 10.1 C (50.2 F) | 1.8 C (3.2 F) | 34 | 23 of 100 (Routine) |
| 2025-12-24 | Kure Reg Met HQ | Record high minimum temperature | 9.2 C (48.6 F) | 0.6 C (1.1 F) | 52 | 23 of 100 (Routine) |
| 2025-12-24 | Hitoyoshi | Record high minimum temperature | 9.5 C (49.1 F) | 0.7 C (1.3 F) | 52 | 23 of 100 (Routine) |
| 2025-12-24 | Kochi | Record high minimum temperature | 12.1 C (53.8 F) | 0.4 C (0.7 F) | 52 | 23 of 100 (Routine) |
| 2025-12-24 | Naze | Record high minimum temperature | 18.2 C (64.8 F) | 0.6 C (1.1 F) | 48 | 23 of 100 (Routine) |
| 2025-12-24 | Yokkaichi | Record high minimum temperature | 9.7 C (49.5 F) | 0.6 C (1.1 F) | 52 | 22 of 100 (Routine) |
| 2025-12-24 | Matsue | Record high minimum temperature | 8.7 C (47.7 F) | 0.2 C (0.4 F) | 52 | 22 of 100 (Routine) |
| 2025-12-24 | Fukuyama | Record high minimum temperature | 8.4 C (47.1 F) | 0.2 C (0.4 F) | 52 | 22 of 100 (Routine) |
| 2025-12-24 | Shimizu | Record high minimum temperature | 15.7 C (60.3 F) | 1.9 C (3.4 F) | 34 | 22 of 100 (Routine) |
| 2025-12-24 | Hamamatsu | Record high minimum temperature | 11.6 C (52.9 F) | 1.0 C (1.8 F) | 34 | 20 of 100 (Routine) |
| 2025-12-24 | Kumamoto | Record high minimum temperature | 12.0 C (53.6 F) | 1.1 C (2.0 F) | 34 | 20 of 100 (Routine) |
| 2025-12-24 | Akune | Record high minimum temperature | 14.3 C (57.7 F) | 3.2 C (5.8 F) | 10 | 20 of 100 (Routine) |
| 2025-12-24 | Shizuoka | Record high minimum temperature | 10.6 C (51.1 F) | 0.8 C (1.4 F) | 34 | 19 of 100 (Routine) |
| 2025-12-24 | Shionomisaki | Record high minimum temperature | 13.9 C (57.0 F) | 0.7 C (1.3 F) | 34 | 19 of 100 (Routine) |
| 2025-12-24 | Nagasaki | Record high minimum temperature | 12.7 C (54.9 F) | 0.7 C (1.3 F) | 34 | 19 of 100 (Routine) |
| 2025-12-24 | Maizuru Reg Met HQ | Record high minimum temperature | 10.5 C (50.9 F) | 2.2 C (4.0 F) | 10 | 18 of 100 (Routine) |
| 2025-12-24 | Ushibuka | Record high maximum temperature | 18.2 C (64.8 F) | 0.2 C (0.4 F) | 39 | 18 of 100 (Routine) |
| 2025-12-24 | Morioka | Record high minimum temperature | 1.8 C (35.2 F) | 0.5 C (0.9 F) | 31 | 17 of 100 (Routine) |
| 2025-12-24 | Fukue | Record high maximum temperature | 18.9 C (66.0 F) | 0.5 C (0.9 F) | 34 | 17 of 100 (Routine) |
| 2025-12-24 | Makurazaki | Record high minimum temperature | 15.0 C (59.0 F) | 2.4 C (4.3 F) | 10 | 16 of 100 (Routine) |
| 2025-12-24 | Karuizawa | Record high minimum temperature | 2.3 C (36.1 F) | 2.2 C (4.0 F) | 10 | 15 of 100 (Routine) |
| 2025-12-24 | Mishima | Record high minimum temperature | 8.7 C (47.7 F) | 0.8 C (1.4 F) | 10 | 12 of 100 (Routine) |
| 2025-12-24 | Takayama | Record high minimum temperature | 5.0 C (41.0 F) | 0.4 C (0.7 F) | 10 | 11 of 100 (Routine) |
| 2025-12-24 | Takamatsu | Record high minimum temperature | 10.1 C (50.2 F) | 0.5 C (0.9 F) | 10 | 11 of 100 (Routine) |
| 2025-12-24 | Iida | Record high minimum temperature | 5.2 C (41.4 F) | 0.3 C (0.5 F) | 10 | 10 of 100 (Routine) |
| 2025-12-24 | Tateyama | Record high minimum temperature | 8.2 C (46.8 F) | 0.5 C (0.9 F) | 10 | 9 of 100 (Routine) |
| 2025-12-24 | Tomakomai | Record high minimum temperature (tie) | 2.2 C (36.0 F) | tie | 60 | 6 of 100 (Routine) |
| 2025-12-24 | Niigata | Record high minimum temperature (tie) | 6.8 C (44.2 F) | tie | 60 | 6 of 100 (Routine) |
| 2025-12-24 | Kofu | Record high minimum temperature (tie) | 5.0 C (41.0 F) | tie | 60 | 6 of 100 (Routine) |
| 2025-12-24 | Irozaki | Record high minimum temperature (tie) | 12.1 C (53.8 F) | tie | 60 | 6 of 100 (Routine) |
| 2025-12-25 | Chichibu | Record high minimum temperature | 5.4 C (41.7 F) | 2.7 C (4.9 F) | 60 | 33 of 100 (Routine) |
| 2025-12-25 | Mito | Record high minimum temperature | 7.4 C (45.3 F) | 2.1 C (3.8 F) | 60 | 31 of 100 (Routine) |
| 2025-12-25 | Onahama | Record high minimum temperature | 6.9 C (44.4 F) | 1.7 C (3.1 F) | 60 | 30 of 100 (Routine) |
| 2025-12-25 | Chiba | Record high minimum temperature | 9.4 C (48.9 F) | 2.5 C (4.5 F) | 52 | 29 of 100 (Routine) |
| 2025-12-25 | Kofu | Record high minimum temperature | 4.7 C (40.5 F) | 1.1 C (2.0 F) | 60 | 28 of 100 (Routine) |
| 2025-12-25 | Kumagaya | Record high minimum temperature | 6.2 C (43.2 F) | 0.2 C (0.4 F) | 62 | 25 of 100 (Routine) |
| 2025-12-25 | Urakawa | Record high minimum temperature | 1.0 C (33.8 F) | 0.3 C (0.5 F) | 52 | 22 of 100 (Routine) |
| 2025-12-25 | Tateyama | Record high minimum temperature | 10.0 C (50.0 F) | 0.1 C (0.2 F) | 48 | 19 of 100 (Routine) |