| 2026-01-13 | Kumagaya | Record high maximum temperature | 16.0 C (60.8 F) | 0.1 C (0.2 F) | 64 | 26 of 100 (Routine) |
| 2026-01-13 | Tateyama | Record high maximum temperature | 15.6 C (60.1 F) | 0.3 C (0.5 F) | 34 | 16 of 100 (Routine) |
| 2026-01-14 | Izuhara | Record high maximum temperature | 16.6 C (61.9 F) | 0.7 C (1.3 F) | 68 | 28 of 100 (Routine) |
| 2026-01-15 | Aikawa | Record high minimum temperature | 8.0 C (46.4 F) | 2.9 C (5.2 F) | 54 | 35 of 100 (Notable) |
| 2026-01-15 | Kanazawa | Record high minimum temperature | 6.6 C (43.9 F) | 1.2 C (2.2 F) | 68 | 32 of 100 (Routine) |
| 2026-01-15 | Sasebo Reg Met HQ | Record high maximum temperature | 18.6 C (65.5 F) | 2.4 C (4.3 F) | 66 | 32 of 100 (Routine) |
| 2026-01-15 | Esashi | Record high minimum temperature | 0.3 C (32.5 F) | 0.6 C (1.1 F) | 68 | 29 of 100 (Routine) |
| 2026-01-15 | Takada | Record high minimum temperature | 4.5 C (40.1 F) | 1.4 C (2.5 F) | 54 | 29 of 100 (Routine) |
| 2026-01-15 | Karuizawa | Record high minimum temperature | -0.1 C (31.8 F) | 1.0 C (1.8 F) | 54 | 24 of 100 (Routine) |
| 2026-01-15 | Gangneung | Record high minimum temperature | 4.7 C (40.5 F) | 3.6 C (6.5 F) | 39 | 24 of 100 (Routine) |
| 2026-01-15 | Fushiki | Record high minimum temperature | 5.2 C (41.4 F) | 0.1 C (0.2 F) | 54 | 23 of 100 (Routine) |
| 2026-01-15 | Kure Reg Met HQ | Record high maximum temperature | 13.9 C (57.0 F) | 0.8 C (1.4 F) | 48 | 23 of 100 (Routine) |
| 2026-01-15 | Pohang | Record high maximum temperature | 17.6 C (63.7 F) | 0.1 C (0.2 F) | 29 | 23 of 100 (Routine) |
| 2026-01-15 | Sendai | Record high minimum temperature | 4.0 C (39.2 F) | 1.0 C (1.8 F) | 38 | 22 of 100 (Routine) |
| 2026-01-15 | Shimonoseki | Record high maximum temperature | 18.4 C (65.1 F) | 2.6 C (4.7 F) | 24 | 22 of 100 (Routine) |
| 2026-01-15 | Maebashi | Record high minimum temperature | 4.0 C (39.2 F) | 0.9 C (1.6 F) | 30 | 19 of 100 (Routine) |
| 2026-01-15 | Chiba | Record high minimum temperature | 6.6 C (43.9 F) | 1.3 C (2.3 F) | 24 | 18 of 100 (Routine) |
| 2026-01-15 | Ulleungdo | Record high minimum temperature | 5.9 C (42.6 F) | 1.7 C (3.1 F) | 8 | 14 of 100 (Routine) |
| 2026-01-15 | Pohang | Record high minimum temperature | 4.5 C (40.1 F) | 1.4 C (2.5 F) | 20 | 14 of 100 (Routine) |
| 2026-01-15 | Busan | Record high maximum temperature | 17.7 C (63.9 F) | 0.9 C (1.6 F) | 24 | 14 of 100 (Routine) |
| 2026-01-15 | Yamaguchi | Record high maximum temperature | 17.0 C (62.6 F) | 0.3 C (0.5 F) | 24 | 13 of 100 (Routine) |
| 2026-01-15 | Fukue | Record high maximum temperature | 19.2 C (66.6 F) | 0.1 C (0.2 F) | 24 | 13 of 100 (Routine) |
| 2026-01-15 | Chuncheon | Record high minimum temperature | -4.3 C (24.3 F) | 0.9 C (1.6 F) | 26 | 13 of 100 (Routine) |
| 2026-01-15 | Busan | Record high minimum temperature | 6.6 C (43.9 F) | 2.4 C (4.3 F) | 8 | 12 of 100 (Routine) |
| 2026-01-15 | Yokohama | Record high minimum temperature | 5.7 C (42.3 F) | 0.1 C (0.2 F) | 4 | 8 of 100 (Routine) |
| 2026-01-16 | Murotomisaki | Record high minimum temperature | 12.4 C (54.3 F) | 2.4 C (4.3 F) | 72 | 35 of 100 (Notable) |
| 2026-01-16 | Pohang | Record high maximum temperature | 16.7 C (62.1 F) | 4.7 C (8.5 F) | 52 | 32 of 100 (Routine) |
| 2026-01-16 | Nikko | Record high minimum temperature | -1.6 C (29.1 F) | 1.3 C (2.3 F) | 68 | 31 of 100 (Routine) |
| 2026-01-16 | Shimizu | Record high minimum temperature | 12.4 C (54.3 F) | 0.7 C (1.3 F) | 72 | 30 of 100 (Routine) |
| 2026-01-16 | Miyakejima | Record high minimum temperature | 13.0 C (55.4 F) | 1.1 C (2.0 F) | 66 | 29 of 100 (Routine) |
| 2026-01-16 | Katsuura | Record high minimum temperature | 8.1 C (46.6 F) | 0.4 C (0.7 F) | 68 | 28 of 100 (Routine) |
| 2026-01-16 | Incheon | Record high maximum temperature | 9.5 C (49.1 F) | 1.5 C (2.7 F) | 60 | 28 of 100 (Routine) |
| 2026-01-16 | Omaezaki | Record high maximum temperature | 17.6 C (63.7 F) | 0.2 C (0.4 F) | 66 | 26 of 100 (Routine) |
| 2026-01-16 | Katsuura | Record high maximum temperature | 17.7 C (63.9 F) | 0.1 C (0.2 F) | 66 | 26 of 100 (Routine) |
| 2026-01-16 | Sasebo Reg Met HQ | Record high maximum temperature | 17.9 C (64.2 F) | 2.7 C (4.9 F) | 38 | 25 of 100 (Routine) |
| 2026-01-16 | Hikone | Record high maximum temperature | 12.7 C (54.9 F) | 1.5 C (2.7 F) | 38 | 23 of 100 (Routine) |
| 2026-01-16 | Kure Reg Met HQ | Record high maximum temperature | 15.7 C (60.3 F) | 1.4 C (2.5 F) | 38 | 22 of 100 (Routine) |
| 2026-01-16 | Busan | Record high minimum temperature | 6.2 C (43.2 F) | 1.2 C (2.2 F) | 52 | 22 of 100 (Routine) |
| 2026-01-16 | Mito | Record high maximum temperature | 16.2 C (61.2 F) | 1.6 C (2.9 F) | 30 | 21 of 100 (Routine) |
| 2026-01-16 | Ajiro | Record high maximum temperature | 18.7 C (65.7 F) | 1.5 C (2.7 F) | 30 | 21 of 100 (Routine) |
| 2026-01-16 | Gangneung | Record high minimum temperature | 4.7 C (40.5 F) | 2.9 C (5.2 F) | 32 | 21 of 100 (Routine) |
| 2026-01-16 | Choshi | Record high minimum temperature | 9.0 C (48.2 F) | 0.1 C (0.2 F) | 39 | 20 of 100 (Routine) |
| 2026-01-16 | Irozaki | Record high minimum temperature | 9.9 C (49.8 F) | 0.6 C (1.1 F) | 38 | 20 of 100 (Routine) |
| 2026-01-16 | Yokkaichi | Record high maximum temperature | 15.4 C (59.7 F) | 0.9 C (1.6 F) | 38 | 20 of 100 (Routine) |
| 2026-01-16 | Tsu | Record high maximum temperature | 16.1 C (61.0 F) | 1.6 C (2.9 F) | 24 | 19 of 100 (Routine) |
| 2026-01-16 | Ajiro | Record high minimum temperature | 8.7 C (47.7 F) | 0.3 C (0.5 F) | 38 | 19 of 100 (Routine) |
| 2026-01-16 | Kyoto | Record high maximum temperature | 16.4 C (61.5 F) | 1.6 C (2.9 F) | 24 | 19 of 100 (Routine) |
| 2026-01-16 | Gangneung | Record high maximum temperature | 13.1 C (55.6 F) | 2.2 C (4.0 F) | 32 | 19 of 100 (Routine) |
| 2026-01-16 | Murotomisaki | Record high maximum temperature | 17.5 C (63.5 F) | 1.3 C (2.3 F) | 24 | 18 of 100 (Routine) |
| 2026-01-16 | Fukui | Record high maximum temperature | 12.9 C (55.2 F) | 0.6 C (1.1 F) | 32 | 17 of 100 (Routine) |
| 2026-01-16 | Maebashi | Record high maximum temperature | 15.2 C (59.4 F) | 0.4 C (0.7 F) | 30 | 17 of 100 (Routine) |
| 2026-01-16 | Osaka | Record high maximum temperature | 16.4 C (61.5 F) | 0.8 C (1.4 F) | 24 | 17 of 100 (Routine) |
| 2026-01-16 | Kumagaya | Record high maximum temperature | 16.6 C (61.9 F) | 0.2 C (0.4 F) | 30 | 16 of 100 (Routine) |
| 2026-01-16 | Nagoya | Record high maximum temperature | 14.3 C (57.7 F) | 0.2 C (0.4 F) | 30 | 16 of 100 (Routine) |
| 2026-01-16 | Mishima | Record high maximum temperature | 18.7 C (65.7 F) | 0.2 C (0.4 F) | 30 | 16 of 100 (Routine) |
| 2026-01-16 | Tadotsu | Record high maximum temperature | 15.2 C (59.4 F) | 0.5 C (0.9 F) | 24 | 16 of 100 (Routine) |
| 2026-01-16 | Saga | Record high maximum temperature | 18.0 C (64.4 F) | 0.4 C (0.7 F) | 24 | 15 of 100 (Routine) |
| 2026-01-16 | Matsuyama | Record high maximum temperature | 17.1 C (62.8 F) | 0.5 C (0.9 F) | 24 | 15 of 100 (Routine) |
| 2026-01-16 | Busan | Record high maximum temperature | 17.0 C (62.6 F) | 1.4 C (2.5 F) | 24 | 15 of 100 (Routine) |
| 2026-01-16 | Tsuyama | Record high maximum temperature | 14.9 C (58.8 F) | 0.2 C (0.4 F) | 24 | 14 of 100 (Routine) |
| 2026-01-16 | Okayama | Record high maximum temperature | 16.2 C (61.2 F) | 1.7 C (3.1 F) | 4 | 14 of 100 (Routine) |
| 2026-01-16 | Himeji | Record high maximum temperature | 15.3 C (59.5 F) | 0.2 C (0.4 F) | 24 | 14 of 100 (Routine) |
| 2026-01-16 | Izuhara | Record high maximum temperature | 16.5 C (61.7 F) | 0.1 C (0.2 F) | 24 | 14 of 100 (Routine) |
| 2026-01-16 | Iizuka | Record high maximum temperature | 19.5 C (67.1 F) | 1.9 C (3.4 F) | 8 | 14 of 100 (Routine) |
| 2026-01-16 | Yeosu | Record high maximum temperature | 15.0 C (59.0 F) | 0.6 C (1.1 F) | 24 | 13 of 100 (Routine) |
| 2026-01-16 | Takada | Record high maximum temperature | 11.5 C (52.7 F) | 0.2 C (0.4 F) | 19 | 12 of 100 (Routine) |
| 2026-01-16 | Nagano | Record high maximum temperature | 10.5 C (50.9 F) | 0.8 C (1.4 F) | 8 | 11 of 100 (Routine) |
| 2026-01-16 | Chichibu | Record high maximum temperature | 17.1 C (62.8 F) | 1.1 C (2.0 F) | 4 | 11 of 100 (Routine) |
| 2026-01-16 | Yamaguchi | Record high maximum temperature | 17.4 C (63.3 F) | 0.8 C (1.4 F) | 8 | 10 of 100 (Routine) |
| 2026-01-16 | Saigo | Record high maximum temperature | 14.0 C (57.2 F) | 0.3 C (0.5 F) | 8 | 9 of 100 (Routine) |
| 2026-01-16 | Fukuoka | Record high maximum temperature | 18.7 C (65.7 F) | 0.1 C (0.2 F) | 8 | 9 of 100 (Routine) |
| 2026-01-16 | Onahama | Record high maximum temperature | 14.6 C (58.3 F) | 0.2 C (0.4 F) | 4 | 8 of 100 (Routine) |
| 2026-01-16 | Kobe | Record high minimum temperature (tie) | 6.1 C (43.0 F) | tie | 72 | 7 of 100 (Routine) |
| 2026-01-16 | Pohang | Record high minimum temperature | 3.7 C (38.7 F) | 0.3 C (0.5 F) | 8 | 7 of 100 (Routine) |
| 2026-01-16 | Fukaura | Record high minimum temperature (tie) | 1.6 C (34.9 F) | tie | 34 | 4 of 100 (Routine) |
| 2026-01-16 | Irako | Record high maximum temperature (tie) | 14.2 C (57.6 F) | tie | 30 | 4 of 100 (Routine) |
| 2026-01-16 | Shimonoseki | Record high maximum temperature (tie) | 16.5 C (61.7 F) | tie | 24 | 3 of 100 (Routine) |
| 2026-01-16 | Chiba | Record high maximum temperature (tie) | 17.3 C (63.1 F) | tie | 4 | 1 of 100 (Routine) |
| 2026-01-17 | Tadotsu | Record high maximum temperature | 16.4 C (61.5 F) | 3.1 C (5.6 F) | 60 | 37 of 100 (Notable) |
| 2026-01-17 | Sasebo Reg Met HQ | Record high maximum temperature | 17.2 C (63.0 F) | 2.2 C (4.0 F) | 72 | 34 of 100 (Routine) |
| 2026-01-17 | Tsuyama | Record high maximum temperature | 14.9 C (58.8 F) | 2.5 C (4.5 F) | 60 | 33 of 100 (Routine) |
| 2026-01-17 | Hiroshima | Record high maximum temperature | 15.6 C (60.1 F) | 1.5 C (2.7 F) | 72 | 33 of 100 (Routine) |
| 2026-01-17 | Nagano | Record high maximum temperature | 13.4 C (56.1 F) | 2.4 C (4.3 F) | 60 | 32 of 100 (Routine) |
| 2026-01-17 | Saigo | Record high minimum temperature | 7.7 C (45.9 F) | 0.9 C (1.6 F) | 72 | 31 of 100 (Routine) |
| 2026-01-17 | Fukuyama | Record high maximum temperature | 15.7 C (60.3 F) | 1.7 C (3.1 F) | 60 | 31 of 100 (Routine) |
| 2026-01-17 | Ueno | Record high maximum temperature | 15.9 C (60.6 F) | 2.4 C (4.3 F) | 50 | 30 of 100 (Routine) |
| 2026-01-17 | Shimizu | Record high minimum temperature | 13.6 C (56.5 F) | 0.7 C (1.3 F) | 72 | 30 of 100 (Routine) |
| 2026-01-17 | Kofu | Record high maximum temperature | 18.1 C (64.6 F) | 3.0 C (5.4 F) | 39 | 28 of 100 (Routine) |
| 2026-01-17 | Irozaki | Record high minimum temperature | 9.2 C (48.6 F) | 0.2 C (0.4 F) | 72 | 28 of 100 (Routine) |
| 2026-01-17 | Murotomisaki | Record high minimum temperature | 11.2 C (52.2 F) | 0.2 C (0.4 F) | 72 | 28 of 100 (Routine) |
| 2026-01-17 | Suwa | Record high maximum temperature | 11.9 C (53.4 F) | 1.8 C (3.2 F) | 50 | 27 of 100 (Routine) |
| 2026-01-17 | Kawaguchiko | Record high maximum temperature | 14.3 C (57.7 F) | 3.3 C (5.9 F) | 39 | 27 of 100 (Routine) |
| 2026-01-17 | Kure Reg Met HQ | Record high maximum temperature | 15.2 C (59.4 F) | 0.7 C (1.3 F) | 60 | 27 of 100 (Routine) |
| 2026-01-17 | Matsue | Record high maximum temperature | 14.1 C (57.4 F) | 1.4 C (2.5 F) | 50 | 26 of 100 (Routine) |
| 2026-01-17 | Kyoto | Record high maximum temperature | 15.7 C (60.3 F) | 0.5 C (0.9 F) | 60 | 26 of 100 (Routine) |
| 2026-01-17 | Takamatsu | Record high maximum temperature | 17.5 C (63.5 F) | 3.6 C (6.5 F) | 23 | 26 of 100 (Routine) |
| 2026-01-17 | Nara | Record high maximum temperature | 16.0 C (60.8 F) | 0.9 C (1.6 F) | 50 | 25 of 100 (Routine) |
| 2026-01-17 | Yamaguchi | Record high maximum temperature | 17.2 C (63.0 F) | 3.5 C (6.3 F) | 32 | 25 of 100 (Routine) |
| 2026-01-17 | Toyama | Record high minimum temperature | 4.2 C (39.6 F) | 0.6 C (1.1 F) | 50 | 24 of 100 (Routine) |
| 2026-01-17 | Kumagaya | Record high minimum temperature | 5.5 C (41.9 F) | 2.8 C (5.0 F) | 26 | 24 of 100 (Routine) |
| 2026-01-17 | Karuizawa | Record high maximum temperature | 10.9 C (51.6 F) | 0.8 C (1.4 F) | 50 | 23 of 100 (Routine) |
| 2026-01-17 | Iida | Record high maximum temperature | 13.6 C (56.5 F) | 0.5 C (0.9 F) | 50 | 23 of 100 (Routine) |
| 2026-01-17 | Yonago | Record high maximum temperature | 14.7 C (58.5 F) | 0.4 C (0.7 F) | 50 | 23 of 100 (Routine) |
| 2026-01-17 | Okayama | Record high maximum temperature | 16.2 C (61.2 F) | 1.6 C (2.9 F) | 39 | 23 of 100 (Routine) |
| 2026-01-17 | Kanazawa | Record high maximum temperature | 14.2 C (57.6 F) | 1.4 C (2.5 F) | 39 | 22 of 100 (Routine) |
| 2026-01-17 | Fushiki | Record high maximum temperature | 13.6 C (56.5 F) | 1.4 C (2.5 F) | 39 | 22 of 100 (Routine) |
| 2026-01-17 | Takayama | Record high maximum temperature | 8.8 C (47.8 F) | 0.1 C (0.2 F) | 50 | 22 of 100 (Routine) |
| 2026-01-17 | Yokkaichi | Record high minimum temperature | 5.5 C (41.9 F) | 1.3 C (2.3 F) | 39 | 22 of 100 (Routine) |
| 2026-01-17 | Matsuyama | Record high maximum temperature | 16.0 C (60.8 F) | 1.2 C (2.2 F) | 39 | 22 of 100 (Routine) |
| 2026-01-17 | Osaka | Record high minimum temperature | 6.2 C (43.2 F) | 0.2 C (0.4 F) | 52 | 22 of 100 (Routine) |
| 2026-01-17 | Toyama | Record high maximum temperature | 14.2 C (57.6 F) | 1.4 C (2.5 F) | 39 | 21 of 100 (Routine) |
| 2026-01-17 | Tsuruga | Record high maximum temperature | 15.1 C (59.2 F) | 1.2 C (2.2 F) | 39 | 21 of 100 (Routine) |
| 2026-01-17 | Shizuoka | Record high maximum temperature | 20.7 C (69.3 F) | 2.4 C (4.3 F) | 23 | 21 of 100 (Routine) |
| 2026-01-17 | Yokkaichi | Record high maximum temperature | 15.6 C (60.1 F) | 1.3 C (2.3 F) | 39 | 21 of 100 (Routine) |
| 2026-01-17 | Shirakawa | Record high maximum temperature | 11.7 C (53.1 F) | 0.7 C (1.3 F) | 39 | 20 of 100 (Routine) |
| 2026-01-17 | Matsumoto | Record high maximum temperature | 13.6 C (56.5 F) | 1.5 C (2.7 F) | 32 | 20 of 100 (Routine) |
| 2026-01-17 | Oshima | Record high minimum temperature | 8.5 C (47.3 F) | 0.5 C (0.9 F) | 39 | 20 of 100 (Routine) |
| 2026-01-17 | Maebashi | Record high maximum temperature | 17.5 C (63.5 F) | 0.6 C (1.1 F) | 39 | 19 of 100 (Routine) |
| 2026-01-17 | Gifu | Record high maximum temperature | 15.8 C (60.4 F) | 0.5 C (0.9 F) | 39 | 19 of 100 (Routine) |
| 2026-01-17 | Nagoya | Record high maximum temperature | 15.6 C (60.1 F) | 0.5 C (0.9 F) | 39 | 19 of 100 (Routine) |
| 2026-01-17 | Shimonoseki | Record high maximum temperature | 16.2 C (61.2 F) | 2.0 C (3.6 F) | 23 | 19 of 100 (Routine) |
| 2026-01-17 | Chichibu | Record high maximum temperature | 18.2 C (64.8 F) | 0.1 C (0.2 F) | 39 | 18 of 100 (Routine) |
| 2026-01-17 | Fukuoka | Record high maximum temperature | 16.4 C (61.5 F) | 0.9 C (1.6 F) | 32 | 18 of 100 (Routine) |
| 2026-01-17 | Yeosu | Record high maximum temperature | 12.3 C (54.1 F) | 2.2 C (4.0 F) | 24 | 18 of 100 (Routine) |
| 2026-01-17 | Fushiki | Record high minimum temperature | 4.2 C (39.6 F) | 0.7 C (1.3 F) | 28 | 17 of 100 (Routine) |
| 2026-01-17 | Tottori | Record high maximum temperature | 14.7 C (58.5 F) | 0.4 C (0.7 F) | 32 | 17 of 100 (Routine) |
| 2026-01-17 | Tokushima | Record high maximum temperature | 17.1 C (62.8 F) | 0.5 C (0.9 F) | 32 | 17 of 100 (Routine) |
| 2026-01-17 | Busan | Record high maximum temperature | 15.3 C (59.5 F) | 0.7 C (1.3 F) | 36 | 17 of 100 (Routine) |
| 2026-01-17 | Maebashi | Record high minimum temperature | 5.4 C (41.7 F) | 1.8 C (3.2 F) | 8 | 16 of 100 (Routine) |
| 2026-01-17 | Irako | Record high maximum temperature | 15.9 C (60.6 F) | 0.1 C (0.2 F) | 32 | 16 of 100 (Routine) |
| 2026-01-17 | Hamamatsu | Record high maximum temperature | 18.3 C (64.9 F) | 2.1 C (3.8 F) | 8 | 16 of 100 (Routine) |
| 2026-01-17 | Ajiro | Record high maximum temperature | 18.2 C (64.8 F) | 1.7 C (3.1 F) | 8 | 15 of 100 (Routine) |
| 2026-01-17 | Shionomisaki | Record high minimum temperature | 9.7 C (49.5 F) | 0.4 C (0.7 F) | 26 | 15 of 100 (Routine) |
| 2026-01-17 | Fukue | Record high maximum temperature | 17.0 C (62.6 F) | 0.2 C (0.4 F) | 32 | 15 of 100 (Routine) |
| 2026-01-17 | Mishima | Record high maximum temperature | 18.7 C (65.7 F) | 1.2 C (2.2 F) | 8 | 13 of 100 (Routine) |
| 2026-01-17 | Sakai | Record high maximum temperature | 14.1 C (57.4 F) | 0.2 C (0.4 F) | 23 | 13 of 100 (Routine) |
| 2026-01-17 | Iizuka | Record high maximum temperature | 18.0 C (64.4 F) | 2.2 C (4.0 F) | 2 | 13 of 100 (Routine) |
| 2026-01-17 | Busan | Record high minimum temperature | 6.6 C (43.9 F) | 1.8 C (3.2 F) | 14 | 13 of 100 (Routine) |
| 2026-01-17 | Wajima | Record high maximum temperature | 11.5 C (52.7 F) | 0.3 C (0.5 F) | 23 | 12 of 100 (Routine) |
| 2026-01-17 | Saga | Record high maximum temperature | 17.2 C (63.0 F) | 1.5 C (2.7 F) | 2 | 11 of 100 (Routine) |
| 2026-01-17 | Hita | Record high maximum temperature | 17.9 C (64.2 F) | 1.6 C (2.9 F) | 2 | 11 of 100 (Routine) |
| 2026-01-17 | Miyakonojo | Record high maximum temperature | 19.7 C (67.5 F) | 1.0 C (1.8 F) | 8 | 11 of 100 (Routine) |
| 2026-01-17 | Yeosu | Record high minimum temperature | 5.8 C (42.4 F) | 1.0 C (1.8 F) | 14 | 11 of 100 (Routine) |
| 2026-01-17 | Kumamoto | Record high maximum temperature | 17.9 C (64.2 F) | 0.1 C (0.2 F) | 2 | 7 of 100 (Routine) |
| 2026-01-17 | Sukumo | Record high maximum temperature (tie) | 18.5 C (65.3 F) | tie | 50 | 5 of 100 (Routine) |
| 2026-01-17 | Fukushima Arpt | Record high maximum temperature (tie) | 13.7 C (56.7 F) | tie | 39 | 4 of 100 (Routine) |
| 2026-01-17 | Nikko | Record high maximum temperature (tie) | 6.7 C (44.1 F) | tie | 32 | 4 of 100 (Routine) |
| 2026-01-17 | Fukui | Record high maximum temperature (tie) | 12.0 C (53.6 F) | tie | 28 | 3 of 100 (Routine) |
| 2026-01-17 | Sumoto | Record high maximum temperature (tie) | 15.7 C (60.3 F) | tie | 8 | 2 of 100 (Routine) |
| 2026-01-17 | Chuncheon | Record high maximum temperature (tie) | 7.0 C (44.6 F) | tie | 14 | 2 of 100 (Routine) |
| 2026-01-18 | Ulleungdo | Record high minimum temperature | 6.2 C (43.2 F) | 0.5 C (0.9 F) | 84 | 34 of 100 (Routine) |
| 2026-01-18 | Hiroshima | Record high maximum temperature | 15.2 C (59.4 F) | 0.5 C (0.9 F) | 72 | 29 of 100 (Routine) |
| 2026-01-18 | Kure Reg Met HQ | Record high maximum temperature | 14.1 C (57.4 F) | 1.4 C (2.5 F) | 55 | 27 of 100 (Routine) |
| 2026-01-18 | Yamaguchi | Record high maximum temperature | 17.0 C (62.6 F) | 1.8 C (3.2 F) | 55 | 27 of 100 (Routine) |
| 2026-01-18 | Shimizu | Record high minimum temperature | 15.1 C (59.2 F) | 3.2 C (5.8 F) | 36 | 27 of 100 (Routine) |
| 2026-01-18 | Maebashi | Record high minimum temperature | 3.7 C (38.7 F) | 0.4 C (0.7 F) | 62 | 26 of 100 (Routine) |
| 2026-01-18 | Katsuura | Record high minimum temperature | 7.6 C (45.7 F) | 1.2 C (2.2 F) | 47 | 25 of 100 (Routine) |
| 2026-01-18 | Saga | Record high maximum temperature | 17.7 C (63.9 F) | 0.9 C (1.6 F) | 55 | 25 of 100 (Routine) |
| 2026-01-18 | Hita | Record high maximum temperature | 18.0 C (64.4 F) | 1.0 C (1.8 F) | 55 | 25 of 100 (Routine) |
| 2026-01-18 | Murotomisaki | Record high minimum temperature | 11.7 C (53.1 F) | 0.3 C (0.5 F) | 52 | 22 of 100 (Routine) |
| 2026-01-18 | Sasebo Reg Met HQ | Record high maximum temperature | 17.6 C (63.7 F) | 1.4 C (2.5 F) | 36 | 21 of 100 (Routine) |
| 2026-01-18 | Yeosu | Record high maximum temperature | 13.4 C (56.1 F) | 3.7 C (6.7 F) | 23 | 21 of 100 (Routine) |
| 2026-01-18 | Shimonoseki | Record high maximum temperature | 15.2 C (59.4 F) | 1.2 C (2.2 F) | 36 | 20 of 100 (Routine) |
| 2026-01-18 | Yokohama | Record high minimum temperature | 6.4 C (43.5 F) | 0.8 C (1.4 F) | 26 | 17 of 100 (Routine) |
| 2026-01-18 | Busan | Record high maximum temperature | 15.0 C (59.0 F) | 1.7 C (3.1 F) | 27 | 17 of 100 (Routine) |
| 2026-01-18 | Ajiro | Record high minimum temperature | 7.2 C (45.0 F) | 0.2 C (0.4 F) | 28 | 15 of 100 (Routine) |
| 2026-01-18 | Tottori | Record high maximum temperature | 13.6 C (56.5 F) | 0.4 C (0.7 F) | 16 | 12 of 100 (Routine) |
| 2026-01-18 | Busan | Record high minimum temperature | 7.0 C (44.6 F) | 0.7 C (1.3 F) | 14 | 10 of 100 (Routine) |
| 2026-01-18 | Chiba | Record high minimum temperature | 5.6 C (42.1 F) | 0.4 C (0.7 F) | 8 | 9 of 100 (Routine) |
| 2026-01-18 | Yeosu | Record high minimum temperature | 5.8 C (42.4 F) | 0.1 C (0.2 F) | 14 | 9 of 100 (Routine) |
| 2026-01-18 | Yokkaichi | Record high maximum temperature | 14.9 C (58.8 F) | 0.2 C (0.4 F) | 8 | 8 of 100 (Routine) |
| 2026-01-18 | Shimonoseki | Record high minimum temperature (tie) | 8.2 C (46.8 F) | tie | 52 | 5 of 100 (Routine) |
| 2026-01-19 | Tateyama | Record high minimum temperature | 10.1 C (50.2 F) | 4.1 C (7.4 F) | 56 | 34 of 100 (Routine) |
| 2026-01-19 | Hachijojima | Record high minimum temperature | 14.0 C (57.2 F) | 1.9 C (3.4 F) | 60 | 32 of 100 (Routine) |
| 2026-01-19 | Hiroshima | Record high maximum temperature | 14.9 C (58.8 F) | 1.0 C (1.8 F) | 72 | 31 of 100 (Routine) |
| 2026-01-19 | Nara | Record high maximum temperature | 16.2 C (61.2 F) | 2.2 C (4.0 F) | 54 | 30 of 100 (Routine) |
| 2026-01-19 | Takamatsu | Record high maximum temperature | 15.7 C (60.3 F) | 0.6 C (1.1 F) | 70 | 30 of 100 (Routine) |
| 2026-01-19 | Oshima | Record high minimum temperature | 10.1 C (50.2 F) | 1.1 C (2.0 F) | 56 | 28 of 100 (Routine) |
| 2026-01-19 | Miyakejima | Record high minimum temperature | 12.7 C (54.9 F) | 1.2 C (2.2 F) | 56 | 28 of 100 (Routine) |
| 2026-01-19 | Katsuura | Record high minimum temperature | 10.6 C (51.1 F) | 2.4 C (4.3 F) | 36 | 27 of 100 (Routine) |
| 2026-01-19 | Kure Reg Met HQ | Record high maximum temperature | 14.6 C (58.3 F) | 0.7 C (1.3 F) | 60 | 27 of 100 (Routine) |
| 2026-01-19 | Kochi | Record high maximum temperature | 18.7 C (65.7 F) | 0.9 C (1.6 F) | 55 | 25 of 100 (Routine) |
| 2026-01-19 | Saga | Record high maximum temperature | 18.2 C (64.8 F) | 1.8 C (3.2 F) | 36 | 23 of 100 (Routine) |
| 2026-01-19 | Shizuoka | Record high minimum temperature | 10.2 C (50.4 F) | 1.4 C (2.5 F) | 36 | 22 of 100 (Routine) |
| 2026-01-19 | Mishima | Record high minimum temperature | 8.6 C (47.5 F) | 1.2 C (2.2 F) | 36 | 21 of 100 (Routine) |
| 2026-01-19 | Iida | Record high maximum temperature | 13.7 C (56.7 F) | 0.8 C (1.4 F) | 36 | 20 of 100 (Routine) |
| 2026-01-19 | Kawaguchiko | Record high minimum temperature | 1.9 C (35.4 F) | 1.0 C (1.8 F) | 36 | 20 of 100 (Routine) |
| 2026-01-19 | Himeji | Record high maximum temperature | 15.4 C (59.7 F) | 0.6 C (1.1 F) | 36 | 20 of 100 (Routine) |
| 2026-01-19 | Yamaguchi | Record high maximum temperature | 16.6 C (61.9 F) | 1.1 C (2.0 F) | 36 | 20 of 100 (Routine) |
| 2026-01-19 | Hita | Record high maximum temperature | 18.1 C (64.6 F) | 0.8 C (1.4 F) | 36 | 20 of 100 (Routine) |
| 2026-01-19 | Tadotsu | Record high maximum temperature | 14.2 C (57.6 F) | 0.5 C (0.9 F) | 36 | 20 of 100 (Routine) |
| 2026-01-19 | Tsuruga | Record high maximum temperature | 15.4 C (59.7 F) | 0.6 C (1.1 F) | 36 | 19 of 100 (Routine) |
| 2026-01-19 | Shimonoseki | Record high maximum temperature | 15.2 C (59.4 F) | 0.4 C (0.7 F) | 36 | 19 of 100 (Routine) |
| 2026-01-19 | Hitoyoshi | Record high maximum temperature | 19.2 C (66.6 F) | 0.7 C (1.3 F) | 36 | 19 of 100 (Routine) |
| 2026-01-19 | Matsumoto | Record high maximum temperature | 14.5 C (58.1 F) | 0.3 C (0.5 F) | 36 | 18 of 100 (Routine) |
| 2026-01-19 | Ajiro | Record high minimum temperature | 8.9 C (48.0 F) | 0.2 C (0.4 F) | 36 | 18 of 100 (Routine) |
| 2026-01-19 | Sasebo Reg Met HQ | Record high maximum temperature | 17.4 C (63.3 F) | 0.3 C (0.5 F) | 36 | 18 of 100 (Routine) |
| 2026-01-19 | Ueno | Record high maximum temperature | 16.7 C (62.1 F) | 3.0 C (5.4 F) | 0 | 17 of 100 (Routine) |
| 2026-01-19 | Kyoto | Record high maximum temperature | 16.4 C (61.5 F) | 2.6 C (4.7 F) | 0 | 16 of 100 (Routine) |
| 2026-01-19 | Takayama | Record high maximum temperature | 10.4 C (50.7 F) | 0.5 C (0.9 F) | 26 | 15 of 100 (Routine) |
| 2026-01-19 | Tsuyama | Record high maximum temperature (tie) | 14.2 C (57.6 F) | tie | 70 | 7 of 100 (Routine) |
| 2026-01-19 | Aikawa | Record high maximum temperature (tie) | 11.4 C (52.5 F) | tie | 0 | 1 of 100 (Routine) |