Japan Climate
Climate Zone and Historical Climate Data
Japan Climatic Classifications
| Code | Description | Group | Number of states/regions | States/regions |
|---|---|---|---|---|
| Cfa | Humid subtropical, no dry season | Temperate | 38 | Aichi Akita Aomori Chiba Ehime Fukui Fukuoka Gifu Hiroshima Hyogo Ibaraki Kagawa Kagoshima Kanagawa Kochi Kumamoto Kyoto Mie Miyagi Miyazaki Nagasaki Nara Niigata Oita Okayama Okinawa Osaka Saga Saitama Shiga Shimane Tochigi Tokushima Tokyo Tottori Toyama Wakayama Yamaguchi |
| Dfb | Humid continental, no dry season, warm summer | Cold (continental) | 8 | Fukushima Gumma Hokkaido Ishikawa Iwate Nagano Shizuoka Yamanashi |
| Dfa | Humid continental, no dry season, hot summer | Cold (continental) | 1 | Yamagata |
Summary: Most regions (38) in Japan lie in the Humid subtropical, no dry season climate zone (Köppen: Cfa). The mean average of annual temperatures range from a high of 23.6°C (74.48°F) in Okinawa to a low of 7.45°C (45.41°F) in Hokkaido.
Climate Japan: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 18.8(65.84) | 19.18(66.52) | 20.25(68.45) | 22.07(71.73) | 24.72(76.5) | 27.37(81.27) | 30.36(86.65) | 32.18(89.92) | 28.48(83.26) | 26.31(79.36) | 23.65(74.57) | 20.52(68.94) | 32.18(89.92) |
| Average high °C (°F) | 6.19(43.14) | 7.14(44.85) | 10.84(51.51) | 15.7(60.26) | 21.17(70.11) | 23.97(75.15) | 27.74(81.93) | 29.51(85.12) | 25.59(78.06) | 20.11(68.2) | 14.56(58.21) | 8.63(47.53) | 17.6(63.68) |
| Daily mean °C (°F) | 4.0(39.2) | 4.75(40.55) | 8.23(46.81) | 13.02(55.44) | 18.5(65.3) | 21.71(71.08) | 25.57(78.03) | 27.05(80.69) | 23.08(73.54) | 17.6(63.68) | 12.22(54.0) | 6.54(43.77) | 15.19(59.34) |
| Average low °C (°F) | 0.65(33.17) | 0.97(33.75) | 3.85(38.93) | 8.12(46.62) | 13.02(55.44) | 16.96(62.53) | 21.29(70.32) | 22.68(72.82) | 19.19(66.54) | 13.74(56.73) | 8.6(47.48) | 3.32(37.98) | 11.03(51.85) |
| Record low °C (°F) | -12.68(9.18) | -12.81(8.94) | -7.5(18.5) | -0.31(31.44) | 5.85(42.53) | 9.35(48.83) | 14.01(57.22) | 14.98(58.96) | 11.37(52.47) | 4.49(40.08) | -1.21(29.82) | -8.25(17.15) | -12.81(8.94) |
| Average precipitation mm (inches) | 48.65(1.92) | 48.08(1.89) | 66.57(2.62) | 75.27(2.96) | 77.95(3.07) | 125.75(4.95) | 159.03(6.26) | 101.46(3.99) | 113.03(4.45) | 92.91(3.66) | 47.63(1.88) | 57.31(2.26) | 84.47(3.33) |
| Average precipitation days (≥ 1.0 mm) | 8.8 | 8.51 | 9.77 | 9.68 | 9.13 | 13.29 | 15.9 | 13.62 | 12.32 | 8.75 | 7.77 | 9.61 | 10.6 |
| Average relative humidity (%) | 74.15 | 74.32 | 72.71 | 72.5 | 73.32 | 80.58 | 82.68 | 79.15 | 78.95 | 76.36 | 74.33 | 74.03 | 76.09 |
| Mean monthly sunshine hours | 6.71 | 7.1 | 9.41 | 11.81 | 12.7 | 12.67 | 12.66 | 12.57 | 10.76 | 8.57 | 7.31 | 6.76 | 9.92 |
Japan Climate Graph
Japan’s Cities by Temperature
Japan’s states/regions ranking by average yearly temperature:
| Okinawa |
|
23.6°C | 74.48°F |
| Miyazaki |
|
18.93°C | 66.07°F |
| Kagoshima |
|
18.29°C | 64.92°F |
| Nagasaki |
|
17.96°C | 64.33°F |
| Saga |
|
17.45°C | 63.41°F |
| Tokyo |
|
17.28°C | 63.1°F |
| Saitama |
|
17.22°C | 63.0°F |
| Chiba |
|
17.14°C | 62.85°F |
| Kochi |
|
16.99°C | 62.58°F |
| Wakayama |
|
16.97°C | 62.55°F |
| Fukuoka |
|
16.97°C | 62.55°F |
| Kumamoto |
|
16.81°C | 62.26°F |
| Tokushima |
|
16.79°C | 62.22°F |
| Osaka |
|
16.78°C | 62.2°F |
| Ibaraki |
|
16.72°C | 62.1°F |
| Oita |
|
16.67°C | 62.01°F |
| Okayama |
|
16.6°C | 61.88°F |
| Kagawa |
|
16.35°C | 61.43°F |
| Yamaguchi |
|
16.33°C | 61.39°F |
| Aichi |
|
16.31°C | 61.36°F |
| Ehime |
|
16.29°C | 61.32°F |
| Shizuoka |
|
16.25°C | 61.25°F |
| Mie |
|
15.91°C | 60.64°F |
| Hyogo |
|
15.72°C | 60.3°F |
| Kanagawa |
|
15.67°C | 60.21°F |
| Nara |
|
15.51°C | 59.92°F |
| Hiroshima |
|
15.34°C | 59.61°F |
| Gifu |
|
15.34°C | 59.61°F |
| Kyoto |
|
15.3°C | 59.54°F |
| Shimane |
|
15.09°C | 59.16°F |
| Ishikawa |
|
14.84°C | 58.71°F |
| Tottori |
|
14.64°C | 58.35°F |
| Shiga |
|
14.45°C | 58.01°F |
| Fukui |
|
14.43°C | 57.97°F |
| Niigata |
|
14.15°C | 57.47°F |
| Gumma |
|
13.22°C | 55.8°F |
| Toyama |
|
12.79°C | 55.02°F |
| Miyagi |
|
12.68°C | 54.82°F |
| Akita |
|
12.27°C | 54.09°F |
| Tochigi |
|
12.22°C | 54.0°F |
| Fukushima |
|
12.02°C | 53.64°F |
| Yamanashi |
|
11.94°C | 53.49°F |
| Yamagata |
|
11.14°C | 52.05°F |
| Nagano |
|
11.13°C | 52.03°F |
| Aomori |
|
10.56°C | 51.01°F |
| Iwate |
|
9.31°C | 48.76°F |
| Hokkaido |
|
7.45°C | 45.41°F |
States/Regions
- Aichi
- Akita
- Aomori
- Chiba
- Ehime
- Fukui
- Fukuoka
- Fukushima
- Gifu
- Gumma
- Hiroshima
- Hokkaido
- Hyogo
- Ibaraki
- Ishikawa
- Iwate
- Kagawa
- Kagoshima
- Kanagawa
- Kochi
- Kumamoto
- Kyoto
- Mie
- Miyagi
- Miyazaki
- Nagano
- Nagasaki
- Nara
- Niigata
- Oita
- Okayama
- Okinawa
- Osaka
- Saga
- Saitama
- Shiga
- Shimane
- Shizuoka
- Tochigi
- Tokushima
- Tokyo
- Tottori
- Toyama
- Wakayama
- Yamagata
- Yamaguchi
- Yamanashi
Popular places in Japan
- Nakatsugawa-shi Gifu
- Aradocho Matsugasaki Fukui
- Tawaramoto-cho Nara
- Takahayashi Minamicho Gumma
- Koya Ibaraki
- Abakanakajimacho Fukui
- Shokunimmachi Mie
- Hichiya Hongou Miyazaki
- Tsuru-shi Yamanashi
- Umetsukicho Shimane
- Amagatsuji Kitamachi Nara
- Hiromi Gifu
- Kawawada Ibaraki
- Yanominami Hiroshima
- Takatsuki-shi Osaka
- Nakada Miyagi
- Kurokami Kumamoto
- Akiyoshishimmachi Toyama
- Funaki Ehime
- Goi Chiba
- Okuizumo-cho Shimane
- Unuma Furuichibacho Gifu
- Tsumagicho Gifu
- Kamihachimancho Tokushima
- Akatanicho Fukui
- Kurahashicho Hiroshima
- Tabeicho Gumma
- Shono Hayama Mie
- Chinzeimachi Madarashima Saga
- Teshiromori Iwate
- Chofu-shi Tokyo
- Katsurazaka Kyoto
- Shichinohe-machi Aomori
- Iikura Fukuoka
- Asahiekimaecho Kochi
- Minami Ibaraki
- Takahinata Gumma
- Mikasa-shi Hokkaido
- Akebonomachi Nagasaki
- Higashinakajima Osaka
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