Japan Climate
Climate Zone and Historical Climate Data
(Photo by Clay Banks on Unsplash)
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 | |
Gifu | 15.34°C | 59.61°F | |
Hiroshima | 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
- Itako-shi Ibaraki
- Akabonai Aomori
- Kasuga-shi Fukuoka
- Anabushi Wakayama
- Yabuzukacho Gumma
- Adogawacho Nagao Shiga
- Aobacho Hokkaido
- Naha-shi Okinawa
- Toyama-shi Toyama
- Kurobe-shi Toyama
- Higashimachi Hyogo
- Nanto-shi Toyama
- Asahigaoka Yamaguchi
- Tabuse-cho Yamaguchi
- Yugawara-machi Kanagawa
- Saga-shi Saga
- Nishino Kochi
- Oizumi-machi Gumma
- Hidaka-cho Hokkaido
- Fuji-cho Ooaza Fujise Saga
- Kaminokawa-machi Tochigi
- Koebaru Nagasaki
- Aga Tottori
- Kashiwa-shi Chiba
- Nagawa-machi Nagano
- Iwade-shi Wakayama
- Hanatate Kumamoto
- Sumiyoshi Shizuoka
- Odate-shi Akita
- Aoyacho Yamane Tottori
- Ajimu-machi Hirotsure Oita
- Kamikashiwada Ibaraki
- Shiroishi-shi Miyagi
- Aizubange-machi Fukushima
- Arihara Wakayama
- Ginowan-shi Okinawa
- Minamiashigara-shi Kanagawa
- Kida Kagoshima
- Chikuma-shi Nagano
- Morimachi Oita
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