Japan

Across 114 destinations in Japan, the warmest is Osaka at 32 °C in Aug, the coolest is Kushiro at 20 °C, and annual rainfall ranges from 1,050 mm in Hachinohe to 2,597 mm in Kochi. Figures are 1991–2020 climate normals.

114 destinations with full climate records · 1,490 awaiting data

The rangeHow much Japan varies

Climate varies across Japan. At the warmest month of the year, Osaka averages 32 °C by day while Kushiro reaches 20 °C — a difference of 11 °C between two places in the same country.

Rainfall separates them more than temperature does: Kochi averages 2,597 mm a year against 1,050 mm in Hachinohe.

DestinationsThe year in each of the largest

All of themEvery destination with a full record

Destination Warmest month Peak avg high Annual rainfall
Tokyo Aug 30 °C 1,465 mm
Yokohama Aug 28 °C 1,493 mm
Osaka Aug 32 °C 1,455 mm
Nagoya Aug 31 °C 1,519 mm
Sapporo Aug 24 °C 1,162 mm
Fukuoka Aug 31 °C 1,725 mm
Kawasaki Aug 29 °C 1,484 mm
Kobe Aug 30 °C 1,569 mm
Kyoto Aug 31 °C 1,639 mm
Saitama Aug 30 °C 1,396 mm
Hiroshima Aug 30 °C 1,563 mm
Sendai Aug 26 °C 1,319 mm
Chiba Aug 30 °C 1,709 mm
Kitakyushu Aug 30 °C 1,560 mm
Sakai Aug 31 °C 1,449 mm
Niigata Aug 28 °C 1,727 mm
Hamamatsu Aug 30 °C 2,016 mm
Kumamoto Aug 30 °C 1,953 mm
Aihara Aug 28 °C 1,881 mm
Okayama Aug 31 °C 1,266 mm
Shizuoka Aug 29 °C 2,441 mm
Kawaguchi Aug 30 °C 1,458 mm
Kagoshima Aug 30 °C 2,212 mm
Hachiōji Aug 29 °C 1,901 mm
Himeji Aug 29 °C 1,541 mm
Utsunomiya Aug 28 °C 1,399 mm
Matsuyama Aug 31 °C 1,697 mm
Matsudo Aug 30 °C 1,478 mm
Nishinomiya Aug 31 °C 1,561 mm
Kurashiki Aug 31 °C 1,297 mm
Ōita Aug 30 °C 1,656 mm
Fukuyama Aug 31 °C 1,257 mm
Kanazawa Aug 30 °C 2,047 mm
Fujisawa Aug 28 °C 1,601 mm
Machida Aug 28 °C 1,619 mm
Toyota Aug 31 °C 1,878 mm
Shinagawa Aug 30 °C 1,992 mm
Takamatsu Aug 30 °C 1,444 mm
Toyama Aug 29 °C 2,254 mm
Yokosuka Aug 27 °C 1,517 mm
Nagasaki Aug 29 °C 2,168 mm
Hirakata Aug 31 °C 1,380 mm
Gifu Aug 30 °C 2,248 mm
Miyazaki Aug 30 °C 2,257 mm
Ichinomiya Aug 30 °C 1,884 mm
Toyohashi Aug 30 °C 1,881 mm
Minato Aug 30 °C 1,657 mm
Takasaki Aug 28 °C 1,936 mm
Nagano Aug 28 °C 1,778 mm
Iwaki Aug 28 °C 1,522 mm
Kawagoe Aug 30 °C 1,432 mm
Ōtsu Aug 31 °C 1,641 mm
Tokorozawa Aug 29 °C 1,616 mm
Asahikawa Aug 24 °C 1,212 mm
Maebashi Aug 29 °C 1,577 mm
Kochi Aug 30 °C 2,597 mm
Kōriyama Aug 28 °C 1,232 mm
Naha Jul 29 °C 1,753 mm
Akita Aug 27 °C 1,869 mm
Yokkaichi Aug 30 °C 1,707 mm
Akashi Aug 30 °C 1,438 mm
Kurume Aug 31 °C 1,917 mm
Aomori Aug 27 °C 1,300 mm
Fukushima Aug 28 °C 1,358 mm
Morioka Aug 26 °C 1,219 mm
Hakodate Aug 24 °C 1,176 mm
Tsu Aug 30 °C 1,884 mm
Mito Aug 28 °C 1,541 mm
Tokushima Aug 29 °C 2,011 mm
Nagaoka Aug 30 °C 1,747 mm
Shimonoseki Aug 30 °C 1,639 mm
Fukui-shi Aug 29 °C 2,260 mm
Yamagata Aug 27 °C 1,438 mm
Fuji Aug 29 °C 2,387 mm
Sasebo Aug 30 °C 1,810 mm
Tsukuba Aug 30 °C 1,412 mm
Matsumoto Aug 28 °C 1,831 mm
Hachinohe Aug 26 °C 1,050 mm
Saga Aug 30 °C 1,882 mm
Ōta Aug 30 °C 1,478 mm
Atsugi Aug 28 °C 1,863 mm
Kure Aug 29 °C 1,527 mm
Isesaki Aug 29 °C 1,476 mm
Kishiwada Aug 31 °C 1,481 mm
Matsue Aug 28 °C 1,726 mm
Higashihiroshima Aug 29 °C 1,413 mm
Kumagaya Aug 30 °C 1,619 mm
Yamaguchi Aug 30 °C 1,692 mm
Kofu Aug 29 °C 1,593 mm
Numazu Aug 29 °C 2,119 mm
Jōetsu Aug 29 °C 2,259 mm
Odawara Aug 28 °C 2,137 mm
Anjō Aug 31 °C 1,493 mm
Tottori-shi Aug 29 °C 1,805 mm
Izumi Aug 31 °C 1,456 mm
Tomakomai Aug 23 °C 1,215 mm
Hitachi Aug 27 °C 1,531 mm
Ube Aug 30 °C 1,701 mm
Izumo Aug 29 °C 1,545 mm
Imabari Aug 30 °C 1,653 mm
Takaoka Aug 30 °C 2,132 mm
Nishio Aug 30 °C 1,497 mm
Hirosaki Aug 27 °C 1,416 mm
Kushiro Aug 20 °C 1,133 mm
Oyama Aug 30 °C 1,576 mm
Obihiro Aug 24 °C 1,158 mm
Niiza Aug 30 °C 1,599 mm
Hadano Aug 28 °C 1,862 mm
Ōgaki Aug 30 °C 1,913 mm
Miyakonojō Aug 30 °C 2,241 mm
Matsusaka Aug 30 °C 1,965 mm
Tochigi Aug 29 °C 1,777 mm
Ueda Aug 29 °C 1,513 mm
Hitachi-Naka Aug 27 °C 1,512 mm

Awaiting climate data

These destinations are in our database but do not yet have complete 30-year records, so they have no page yet.

… and 1,370 more.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: warmest month, annual rainfall total. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.