Japan Weather Records: Most Significant and Latest
The 20 highest significance weather records in Japan, ranked by margin, age of the old record and length of record.
Key Facts
- Japan has 7,185 weather records set or tied in 2026 in the data.
- Maizuru Reg Met HQ set an all-time record daily precipitation of 436.0 mm (17.2 in) on 27 August 2026 (provisional).
Record Types Among the Top 20
| Record type | Records |
|---|---|
| Highest daily maximum | 0 |
| Lowest daily maximum | 0 |
| Highest daily minimum | 0 |
| Lowest daily minimum | 0 |
| Heaviest daily rainfall | 20 |
| Heaviest daily snowfall | 0 |
| Deepest snow cover | 0 |
Where They Were Set
| Station | Country | Type | Value | Significance |
|---|---|---|---|---|
| Maizuru Reg Met HQ | Japan | Record daily precipitation | 436.0 mm (17.2 in) | 88 of 100 (Exceptional) |
| Fukuoka | Japan | Record daily precipitation | 555.5 mm (21.9 in) | 88 of 100 (Exceptional) |
| Tajima | Japan | Record daily precipitation | 351.0 mm (13.8 in) | 87 of 100 (Exceptional) |
| Wakamatsu | Japan | Record daily precipitation | 272.5 mm (10.7 in) | 87 of 100 (Exceptional) |
| Yokohama | Japan | Record daily precipitation | 374.0 mm (14.7 in) | 87 of 100 (Exceptional) |
| Otaru | Japan | Record daily precipitation | 255.5 mm (10.1 in) | 86 of 100 (Exceptional) |
| Ajiro | Japan | Record daily precipitation | 494.5 mm (19.5 in) | 86 of 100 (Exceptional) |
| Toyama | Japan | Record daily precipitation | 377.0 mm (14.8 in) | 85 of 100 (Exceptional) |
| Tokushima | Japan | Record daily precipitation | 460.0 mm (18.1 in) | 85 of 100 (Exceptional) |
| Tsuruga | Japan | Record daily precipitation | 298.5 mm (11.8 in) | 85 of 100 (Exceptional) |
| Kure Reg Met HQ | Japan | Record daily precipitation | 379.5 mm (14.9 in) | 84 of 100 (Exceptional) |
| Takayama | Japan | Record daily precipitation | 361.5 mm (14.2 in) | 83 of 100 (Exceptional) |
| Hamamatsu | Japan | Record daily precipitation | 363.0 mm (14.3 in) | 83 of 100 (Exceptional) |
| Mishima | Japan | Record daily precipitation | 413.0 mm (16.3 in) | 83 of 100 (Exceptional) |
| Kobe | Japan | Record daily precipitation | 410.0 mm (16.1 in) | 82 of 100 (Exceptional) |
| Mombetsu | Japan | Record daily precipitation | 223.0 mm (8.8 in) | 82 of 100 (Exceptional) |
| Fukuyama | Japan | Record daily precipitation | 319.5 mm (12.6 in) | 82 of 100 (Exceptional) |
| Yokkaichi | Japan | Record daily precipitation | 435.0 mm (17.1 in) | 81 of 100 (Exceptional) |
| Aomori | Japan | Record daily precipitation | 213.0 mm (8.4 in) | 81 of 100 (Exceptional) |
| Kochi | Japan | Record daily precipitation | 724.0 mm (28.5 in) | 81 of 100 (Exceptional) |
| Himeji | Japan | Record daily precipitation | 424.5 mm (16.7 in) | 81 of 100 (Exceptional) |
| Nagasaki | Japan | Record daily precipitation | 852.0 mm (33.5 in) | 80 of 100 (Exceptional) |
| Hachinohe | Japan | Record daily precipitation | 241.0 mm (9.5 in) | 80 of 100 (Exceptional) |
| Sapporo | Japan | Record daily precipitation | 254.0 mm (10.0 in) | 80 of 100 (Exceptional) |
| Saigo | Japan | Record daily precipitation | 193.6 mm (7.6 in) | 79 of 100 (Major) |
| Matsue | Japan | Record daily precipitation | 375.5 mm (14.8 in) | 79 of 100 (Major) |
| Tadotsu | Japan | Record daily precipitation | 342.0 mm (13.5 in) | 79 of 100 (Major) |
| Izuhara | Japan | Record daily precipitation | 772.5 mm (30.4 in) | 79 of 100 (Major) |
| Fukue | Japan | Record daily precipitation | 508.5 mm (20.0 in) | 78 of 100 (Major) |
| Sasebo Reg Met HQ | Japan | Record daily precipitation | 354.5 mm (14.0 in) | 78 of 100 (Major) |
| Obihiro | Japan | Record daily precipitation | 228.0 mm (9.0 in) | 78 of 100 (Major) |
| Tomakomai | Japan | Record daily precipitation | 369.5 mm (14.5 in) | 78 of 100 (Major) |
| Fukushima Arpt | Japan | Record daily precipitation | 319.0 mm (12.6 in) | 78 of 100 (Major) |
| Iida | Japan | Record daily precipitation | 386.0 mm (15.2 in) | 77 of 100 (Major) |
| Nemuro | Japan | Record daily precipitation | 326.0 mm (12.8 in) | 77 of 100 (Major) |
| Nagasaki | Japan | Record daily precipitation | 519.5 mm (20.5 in) | 77 of 100 (Major) |
| Hakodate | Japan | Record daily precipitation | 393.0 mm (15.5 in) | 77 of 100 (Major) |
| Hakodate | Japan | Record daily precipitation | 235.0 mm (9.3 in) | 77 of 100 (Major) |
| Niigata | Japan | Record daily precipitation | 228.5 mm (9.0 in) | 77 of 100 (Major) |
| Asahikawa | Japan | Record daily precipitation | 253.6 mm (10.0 in) | 76 of 100 (Major) |
| Saga | Japan | Record daily precipitation | 456.0 mm (18.0 in) | 76 of 100 (Major) |
| Abashiri | Japan | Record daily precipitation | 216.0 mm (8.5 in) | 76 of 100 (Major) |
| Iwamizawa | Japan | Record daily precipitation | 212.5 mm (8.4 in) | 76 of 100 (Major) |
| Kutchan | Japan | Record daily precipitation | 179.5 mm (7.1 in) | 76 of 100 (Major) |
| Takamatsu | Japan | Record daily precipitation | 254.5 mm (10.0 in) | 76 of 100 (Major) |
| Naha | Japan | Record daily precipitation | 696.5 mm (27.4 in) | 74 of 100 (Major) |
| Shinjo | Japan | Record daily precipitation | 216.0 mm (8.5 in) | 74 of 100 (Major) |
| Osaka | Japan | Record daily precipitation | 305.5 mm (12.0 in) | 74 of 100 (Major) |
| Tsuruga | Japan | Record daily precipitation | 303.5 mm (11.9 in) | 74 of 100 (Major) |
| Kyoto | Japan | Record daily precipitation | 356.0 mm (14.0 in) | 74 of 100 (Major) |
| Rumoi | Japan | Record daily precipitation | 198.5 mm (7.8 in) | 74 of 100 (Major) |
| Aikawa | Japan | Record daily precipitation | 398.5 mm (15.7 in) | 74 of 100 (Major) |
| Tateyama | Japan | Record daily precipitation | 473.0 mm (18.6 in) | 73 of 100 (Major) |
| Fukui | Japan | Record daily precipitation | 300.5 mm (11.8 in) | 73 of 100 (Major) |
| Asahikawa | Japan | Record daily precipitation | 145.2 mm (5.7 in) | 72 of 100 (Major) |
| Kochi | Japan | Record daily precipitation | 647.0 mm (25.5 in) | 72 of 100 (Major) |
| Akita | Japan | Record daily precipitation | 268.0 mm (10.6 in) | 72 of 100 (Major) |
| Matsumoto | Japan | Record daily precipitation | 318.0 mm (12.5 in) | 72 of 100 (Major) |
| Tokushima | Japan | Record daily precipitation | 340.5 mm (13.4 in) | 72 of 100 (Major) |
| Okayama | Japan | Record daily precipitation | 297.5 mm (11.7 in) | 71 of 100 (Major) |
Ranked by Significance
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 27 August 2026 | Maizuru Reg Met HQ, JP | all-time rain (Provisional) | 436.0 mm (17.2 in) | 111.9 mm (4.4 in) | 72 years | 88 of 100 (Exceptional) |
| 1 July 2026 | Fukuoka, JP | all-time rain | 555.5 mm (21.9 in) | 247.7 mm (9.8 in) | 73 years | 88 of 100 (Exceptional) |
| 31 August 2026 | Tajima, JP | all-time rain (Provisional) | 351.0 mm (13.8 in) | 137.7 mm (5.4 in) | 66 years | 87 of 100 (Exceptional) |
| 1 July 2026 | Wakamatsu, JP | all-time rain | 272.5 mm (10.7 in) | 130.0 mm (5.1 in) | 69 years | 87 of 100 (Exceptional) |
| 1 July 2026 | Yokohama, JP | all-time rain | 374.0 mm (14.7 in) | 86.8 mm (3.4 in) | 67 years | 87 of 100 (Exceptional) |
| 4 September 2026 | Otaru, JP | all-time rain (Provisional) | 255.5 mm (10.1 in) | 94.5 mm (3.7 in) | 64 years | 86 of 100 (Exceptional) |
| 1 July 2026 | Ajiro, JP | all-time rain | 494.5 mm (19.5 in) | 171.0 mm (6.7 in) | 65 years | 86 of 100 (Exceptional) |
| 7 September 2026 | Toyama, JP | all-time rain (Provisional) | 377.0 mm (14.8 in) | 173.4 mm (6.8 in) | 62 years | 85 of 100 (Exceptional) |
| 4 July 2026 | Tokushima, JP | all-time rain | 460.0 mm (18.1 in) | 95.3 mm (3.8 in) | 60 years | 85 of 100 (Exceptional) |
| 1 July 2026 | Tsuruga, JP | all-time rain | 298.5 mm (11.8 in) | 87.3 mm (3.4 in) | 60 years | 85 of 100 (Exceptional) |
| 1 July 2026 | Kure Reg Met HQ, JP | all-time rain | 379.5 mm (14.9 in) | 166.6 mm (6.6 in) | 58 years | 84 of 100 (Exceptional) |
| 15 September 2026 | Takayama, JP | all-time rain (Provisional) | 361.5 mm (14.2 in) | 141.5 mm (5.6 in) | 55 years | 83 of 100 (Exceptional) |
| 7 August 2026 | Hamamatsu, JP | all-time rain | 363.0 mm (14.3 in) | 137.0 mm (5.4 in) | 54 years | 83 of 100 (Exceptional) |
| 7 August 2026 | Mishima, JP | all-time rain | 413.0 mm (16.3 in) | 142.0 mm (5.6 in) | 56 years | 83 of 100 (Exceptional) |
| 3 September 2026 | Kobe, JP | all-time rain (Provisional) | 410.0 mm (16.1 in) | 90.6 mm (3.6 in) | 59 years | 82 of 100 (Exceptional) |
| 8 August 2026 | Mombetsu, JP | all-time rain | 223.0 mm (8.8 in) | 75.0 mm (3.0 in) | 52 years | 82 of 100 (Exceptional) |
| 1 July 2026 | Fukuyama, JP | all-time rain | 319.5 mm (12.6 in) | 168.5 mm (6.6 in) | 50 years | 82 of 100 (Exceptional) |
| 7 August 2026 | Yokkaichi, JP | all-time rain | 435.0 mm (17.1 in) | 164.0 mm (6.5 in) | 52 years | 81 of 100 (Exceptional) |
| 4 July 2026 | Aomori, JP | all-time rain | 213.0 mm (8.4 in) | 60.0 mm (2.4 in) | 48 years | 81 of 100 (Exceptional) |
| 2 July 2026 | Kochi, JP | all-time rain | 724.0 mm (28.5 in) | 199.5 mm (7.9 in) | 49 years | 81 of 100 (Exceptional) |
The score combines margin, the age of the old record and the length of the station's record. How it is computed.
Download the Data
Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-13).