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 |
| Fukuoka |
|
16.97°C | 62.55°F |
| Wakayama |
|
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
- Yoshicho Gifu
- Chino-shi Nagano
- Konan Miyazaki
- Higashishiiji Shizuoka
- Sasaya Fukushima
- Akigashima Toyama
- Miyoshicho Aichi
- Nyuta Miyazaki
- Iwakura-shi Aichi
- Shimotajima (Nishi) Miyazaki
- Suzaka-shi Nagano
- Aza Uebaru Okinawa
- Akibacho Wakayama
- Azekarimachi Nagasaki
- Umaki Hiroshima
- Miyoshi-shi Hiroshima
- Soeicho Mie
- Amanogawa Kochi
- Izumi Akita
- Adogawacho Suehiro Shiga
- Aso Kochi
- Aobadai Fukui
- Yokaichi Ishikawa
- Nyuzen-machi Toyama
- Kamojimamachi Tokushima
- Akinomiya Akita
- Akasofu Toyama
- Anamushi Nara
- Kashiwa-shi Chiba
- Arase Kochi
- Nishinari-ku Osaka
- Tokorozawa-shi Saitama
- Arimatsu Ishikawa
- Memuro-cho Hokkaido
- Miura-shi Kanagawa
- Kamishizu Chiba
- Mihama-cho Fukui
- Higashinakada Miyagi
- Murasakino Iwate
- Asahimachi Yamagata
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