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Weather seasons in japan
Japan’s weather varies across its 47 prefectures due to its diverse geography, spanning subarctic to subtropical climates. Below, I outline the seasons—spring (March–May), summer (June–August), autumn (September–November), and winter (December–February)—for each prefecture, including start and end dates and highest recorded temperatures. Each description is approximately 50 words.
Aichi: Spring (March–May) brings cherry blossoms, with temperatures up to 20°C. Summer (June–August) is hot, humid, reaching 35°C, with a rainy season in June. Autumn (September–November) is mild, around 25°C. Winter (December–February) is cool, rarely below 0°C. Highest temperature: 39.9°C (Nagoya, August 2018).
Akita: Spring (March–May) is cool, with blooms by April, reaching 15°C. Summer (June–August) is warm, humid, up to 30°C. Autumn (September–November) sees colorful foliage, around 20°C. Winter (December–February) brings heavy snow, dropping to -5°C. Highest temperature: 38.2°C (Odate, August 2018).
Aomori: Spring (March–May) is chilly, with late blooms, up to 14°C. Summer (June–August) is mild, reaching 28°C. Autumn (September–November) is crisp, around 18°C, with vibrant leaves. Winter (December–February) is snowy, often below -5°C. Highest temperature: 36.7°C (Hirosaki, August 2018).
Chiba: Spring (March–May) is pleasant, with blooms, reaching 18°C. Summer (June–August) is hot, humid, up to 34°C, with rainy June. Autumn (September–November) is mild, around 23°C. Winter (December–February) is cool, rarely below 0°C. Highest temperature: 37.3°C (Ichihara, July 2018).
Ehime: Spring (March–May) is warm, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is comfortable, around 25°C. Winter (December–February) is mild, around 5°C. Highest temperature: 38.1°C (Matsuyama, August 2013). Subtropical climate influences milder winters.
Fukui: Spring (March–May) is mild, with blooms, reaching 18°C. Summer (June–August) is warm, humid, up to 33°C. Autumn (September–November) is cool, around 22°C, with foliage. Winter (December–February) sees snow, dropping to -2°C. Highest temperature: 38.5°C (Tsuruga, August 2018).
Fukuoka: Spring (March–May) is pleasant, with blooms, up to 21°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 37.9°C (Fukuoka City, August 2013). Subtropical influence.
Fukushima: Spring (March–May) is cool, with blooms, reaching 16°C. Summer (June–August) is warm, up to 32°C. Autumn (September–November) is crisp, around 20°C, with foliage. Winter (December–February) is snowy, dropping to -3°C. Highest temperature: 37.3°C (Date, August 2018).
Gifu: Spring (March–May) is mild, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is pleasant, around 23°C. Winter (December–February) is cold, around 0°C. Highest temperature: 39.8°C (Tajimi, August 2018). Inland location amplifies extremes.
Gunma: Spring (March–May) is mild, with blooms, reaching 18°C. Summer (June–August) is hot, up to 36°C. Autumn (September–November) is cool, around 22°C, with foliage. Winter (December–February) is cold, dropping to -2°C. Highest temperature: 40.1°C (Kiryu, August 2018). Inland climate.
Hiroshima: Spring (March–May) is warm, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is cool, around 5°C. Highest temperature: 37.1°C (Hiroshima City, August 2013). Mild winters.
Hokkaido: Spring (March–May) is chilly, with late blooms, up to 12°C. Summer (June–August) is cool, reaching 25°C. Autumn (September–November) is crisp, around 15°C, with foliage. Winter (December–February) is snowy, dropping to -20°C. Highest temperature: 37.8°C (Obihiro, August 2018).
Hyogo: Spring (March–May) is pleasant, with blooms, up to 19°C. Summer (June–August) is hot, humid, reaching 34°C. Autumn (September–November) is mild, around 23°C. Winter (December–February) is cool, around 3°C. Highest temperature: 38.1°C (Toyooka, August 2018). Varied coastal climate.
Ibaraki: Spring (March–May) is mild, with blooms, up to 17°C. Summer (June–August) is hot, humid, reaching 34°C. Autumn (September–November) is pleasant, around 22°C. Winter (December–February) is cool, around 0°C. Highest temperature: 37.5°C (Hitachi, August 2018). Coastal influence.
Ishikawa: Spring (March–May) is mild, with blooms, up to 17°C. Summer (June–August) is warm, humid, reaching 32°C. Autumn (September–November) is cool, around 21°C. Winter (December–February) sees snow, dropping to -1°C. Highest temperature: 38.0°C (Kanazawa, August 2018).
Iwate: Spring (March–May) is cool, with blooms, reaching 15°C. Summer (June–August) is mild, up to 30°C. Autumn (September–November) is crisp, around 19°C. Winter (December–February) is snowy, dropping to -5°C. Highest temperature: 37.2°C (Morioka, August 2018). Northern climate.
Kagawa: Spring (March–May) is warm, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 37.4°C (Takamatsu, August 2013). Seto Inland influence.
Kagoshima: Spring (March–May) is warm, with blooms, up to 22°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is pleasant, around 25°C. Winter (December–February) is mild, around 8°C. Highest temperature: 37.6°C (Kagoshima City, August 2013). Subtropical.
Kanagawa: Spring (March–May) is pleasant, with blooms, up to 19°C. Summer (June–August) is hot, humid, reaching 34°C. Autumn (September–November) is mild, around 23°C. Winter (December–February) is cool, around 3°C. Highest temperature: 37.7°C (Yokohama, August 2013). Urban heat.
Kochi: Spring (March–May) is warm, with blooms, up to 21°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is pleasant, around 24°C. Winter (December–February) is mild, around 6°C. Highest temperature: 41.0°C (Shimanto, August 2013). Wet climate.
Kumamoto: Spring (March–May) is warm, with blooms, up to 21°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 38.8°C (Kumamoto City, August 2018). Subtropical.
Kyoto: Spring (March–May) is pleasant, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 23°C. Winter (December–February) is cool, around 2°C. Highest temperature: 38.0°C (Kyoto City, August 2018). Inland basin.
Mie: Spring (March–May) is mild, with blooms, up to 19°C. Summer (June–August) is hot, humid, reaching 34°C. Autumn (September–November) is pleasant, around 23°C. Winter (December–February) is cool, around 3°C. Highest temperature: 39.2°C (Kuwana, August 2018). Coastal climate.
Miyagi: Spring (March–May) is cool, with blooms, reaching 16°C. Summer (June–August) is warm, up to 30°C. Autumn (September–November) is crisp, around 20°C. Winter (December–February) is cold, dropping to -2°C. Highest temperature: 37.2°C (Sendai, August 2018). Northern influence.
Miyazaki: Spring (March–May) is warm, with blooms, up to 22°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is pleasant, around 25°C. Winter (December–February) is mild, around 7°C. Highest temperature: 38.0°C (Miyazaki City, August 2013). Subtropical.
Nagano: Spring (March–May) is cool, with blooms, up to 16°C. Summer (June–August) is warm, reaching 32°C. Autumn (September–November) is crisp, around 20°C. Winter (December–February) is snowy, dropping to -5°C. Highest temperature: 38.7°C (Ueda, August 2018). Inland extremes.
Nagasaki: Spring (March–May) is warm, with blooms, up to 21°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 6°C. Highest temperature: 37.7°C (Nagasaki City, August 2013). Coastal.
Nara: Spring (March–May) is pleasant, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 23°C. Winter (December–February) is cool, around 2°C. Highest temperature: 38.1°C (Nara City, August 2018). Inland climate.
Niigata: Spring (March–May) is cool, with blooms, reaching 16°C. Summer (June–August) is warm, humid, up to 32°C. Autumn (September–November) is crisp, around 21°C. Winter (December–February) is snowy, dropping to -2°C. Highest temperature: 40.4°C (Joetsu, August 2018).
Oita: Spring (March–May) is warm, with blooms, up to 21°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 37.8°C (Oita City, August 2013). Subtropical.
Okayama: Spring (March–May) is pleasant, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is cool, around 4°C. Highest temperature: 37.9°C (Okayama City, August 2018). Mild climate.
Okinawa: Spring (March–May) is warm, with early blooms, up to 24°C. Summer (June–August) is hot, humid, reaching 33°C. Autumn (September–November) is pleasant, around 27°C. Winter (December–February) is mild, around 17°C. Highest temperature: 35.6°C (Naha, August 2013). Tropical climate.
Osaka: Spring (March–May) is pleasant, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is cool, around 4°C. Highest temperature: 39.1°C (Osaka City, August 2018). Urban heat.
Saga: Spring (March–May) is warm, with blooms, up to 21°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 38.3°C (Saga City, August 2013). Subtropical.
Saitama: Spring (March–May) is pleasant, with blooms, up to 19°C. Summer (June–August) is hot, humid, reaching 36°C. Autumn (September–November) is mild, around 23°C. Winter (December–February) is cool, around 2°C. Highest temperature: 41.1°C (Kumagaya, July 2018). Heat island.
Shiga: Spring (March–May) is mild, with blooms, up to 19°C. Summer (June–August) is hot, humid, reaching 34°C. Autumn (September–November) is pleasant, around 23°C. Winter (December–February) is cool, around 2°C. Highest temperature: 38.7°C (Otsu, August 2018). Inland climate.
Shimane: Spring (March–May) is mild, with blooms, up to 18°C. Summer (June–August) is warm, humid, reaching 33°C. Autumn (September–November) is cool, around 22°C. Winter (December–February) is cold, around 2°C. Highest temperature: 37.2°C (Matsue, August 2018). Coastal influence.
Shizuoka: Spring (March–May) is pleasant, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 40.9°C (Hamamatsu, August 2018). Coastal.
Tochigi: Spring (March–May) is mild, with blooms, up to 18°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is pleasant, around 22°C. Winter (December–February) is cold, around 0°C. Highest temperature: 39.0°C (Utsunomiya, August 2018). Inland.
Tokushima: Spring (March–May) is warm, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 38.2°C (Tokushima City, August 2013). Coastal.
Tokyo: Spring (March–May) is pleasant, with blooms, up to 19°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 23°C. Winter (December–February) is cool, around 5°C. Highest temperature: 39.5°C (Ota, August 2018). Urban heat island.
Tottori: Spring (March–May) is mild, with blooms, up to 18°C. Summer (June–August) is warm, humid, reaching 33°C. Autumn (September–November) is cool, around 22°C. Winter (December–February) is cold, around 2°C. Highest temperature: 37.7°C (Tottori City, August 2018). Coastal climate.
Toyama: Spring (March–May) is mild, with blooms, up to 17°C. Summer (June–August) is warm, humid, reaching 33°C. Autumn (September–November) is cool, around 21°C. Winter (December–February) is snowy, dropping to -1°C. Highest temperature: 39.5°C (Toyama City, August 2018).
Wakayama: Spring (March–May) is warm, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 35°C. Autumn (September–November) is mild, around 24°C. Winter (December–February) is mild, around 5°C. Highest temperature: 38.5°C (Wakayama City, August 2013). Coastal.
Yamagata: Spring (March–May) is cool, with blooms, reaching 16°C. Summer (June–August) is warm, up to 31°C. Autumn (September–November) is crisp, around 20°C. Winter (December–February) is snowy, dropping to -4°C. Highest temperature: 40.1°C (Yamagata City, August 2018).
Yamaguchi: Spring (March–May) is pleasant, with blooms, up to 20°C. Summer (June–August) is hot, humid, reaching 34°C. Autumn (September–November) is mild, around 23°C. Winter (December–February) is mild, around 4°C. Highest temperature: 37.3°C (Yamaguchi City, August 2013). Coastal.
Yamanashi: Spring (March–May) is mild, with blooms, up to 18°C. Summer (June–August) is hot, reaching 34°C. Autumn (September–November) is pleasant, around 22°C. Winter (December–February) is cold, around 0°C. Highest temperature: 40.7°C (Kofu, August 2013). Sunny climate.
Note: Highest temperatures are sourced from historical records, primarily from and, with some from and. Seasonal patterns are generalized based on regional climate data, and exact dates may vary slightly year to year. Okinawa’s rainy season starts in May, and Hokkaido lacks a distinct rainy season.





