WEATHERblaze

🇯🇵 Japan Weather History

1,339 cities  ·  47regions  ·  1981–2025

Temp

🌍 Japan Climate Overview

Japan has warm to hot climates spanning 47 regions and 1,339 cities.

Average daily highs peak at 27.2°C in Ishigaki (Okinawa), while average daily lows bottom out at -6.0°C in Furano (Hokkaidō) — these are long-term annual averages across all months, not single-day records.

Rainfall varies dramatically from 453 mm/year in arid Yokosuka (Kanagawa) to 2,809 mm/year in Yakushima (Kagoshima).

Hottest city Ishigaki 27.2°C avg max
Coldest city Furano -6.0°C avg min
Wettest city Yakushima 2,809 mm/yr
Driest city Yokosuka 453 mm/yr

Climate Extremes in Japan

🌡️ 5 Hottest Cities in Japan

Annual avg of daily highs — not a single-day record

  1. 1
    IshigakiOkinawa
    27.2 °C
  2. 2
    MiyakojimaOkinawa
    26.9 °C
  3. 3
    KobayashiMiyazaki
    26.7 °C
  4. 4
    SaitoMiyazaki
    26.7 °C
  5. 5
    KinOkinawa
    26.7 °C

❄️ 5 Coldest Cities in Japan

Annual avg of daily lows — not a single-day record

  1. 1
    FuranoHokkaidō
    -6.0 °C
  2. 2
    KamifuranoHokkaidō
    -6.0 °C
  3. 3
    HigashikaguraHokkaidō
    -6.0 °C
  4. 4
    BieiHokkaidō
    -6.0 °C
  5. 5
    AsahikawaHokkaidō
    -5.3 °C

🌧️ 5 Wettest Cities in Japan

Avg annual total across all years of data

  1. 1
    YakushimaKagoshima
    2,809 mm/yr
  2. 2
    NishinoomoteKagoshima
    2,771 mm/yr
  3. 3
    KobayashiMiyazaki
    2,533 mm/yr
  4. 4
    SaitoMiyazaki
    2,533 mm/yr
  5. 5
    TakaharuMiyazaki
    2,533 mm/yr

☀️ 5 Driest Cities in Japan

Avg annual total across all years of data

  1. 1
    YokosukaKanagawa
    453 mm/yr
  2. 2
    MotomachiHokkaidō
    919 mm/yr
  3. 3
    HonmachiHokkaidō
    919 mm/yr
  4. 4
    AbashiriHokkaidō
    919 mm/yr
  5. 5
    KōenchōHokkaidō
    928 mm/yr

🗺️ Find Weather History by Region & City

Select a region, then select a city to view its full weather history.

Step 1 — Select Region
Step 2 — Select City(Aichi)

🔍 Search All Cities in Japan

All Regions in Japan

Aichi52 citiesAkita18 citiesAomori33 citiesChiba59 citiesEhime15 citiesFukui13 citiesFukuoka55 citiesFukushima26 citiesGifu35 citiesGunma26 citiesHiroshima20 citiesHokkaidō59 citiesHyōgo43 citiesIbaraki44 citiesIshikawa17 cities

Japan Weather — Common Questions

What is the hottest city in Japan?▼
Based on 45 years of NASA POWER data (1981–2025), Ishigaki in Okinawa is among the hottest cities in Japan, with an average daily maximum of 27.2°C. Other notably hot cities include Miyakojima and Kobayashi.
What is the coldest city in Japan?▼
Furano in Hokkaidō is among the coldest cities in Japan, with average daily minimum temperatures of -6.0°C.
Which city in Japan receives the most rainfall?▼
Yakushima in Kagoshima is one of the wettest cities in Japan, receiving approximately 2,809 mm of rainfall per year.
Which city in Japan is the driest?▼
Yokosuka in Kanagawa receives only about 453 mm of rainfall per year, making it one of the driest cities in Japan.
How many cities are covered in this Japan weather dataset?▼
This dataset covers 1,339 cities across 47 regions in Japan. Historical weather data spans 1981 to 2025 and is sourced from NASA POWER (Prediction of Worldwide Energy Resources).
Where does this Japan weather data come from?▼
All data is sourced from NASA POWER, providing satellite-based meteorological data from the MERRA-2 reanalysis model. Spatial resolution is 0.5° × 0.625° with monthly temporal resolution, covering 1981–2025.
How do I find weather history for a specific city in Japan?▼
Use the city finder above — click a region on the left to browse its cities on the right, or type in the search box to filter. You can also use the global search below the finder to search across all regions at once.

📡 Data Source & Methodology

All climate data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), providing high-quality meteorological data derived from satellite observations and the MERRA-2 reanalysis model.

Coverage
  • 1,339 cities, 47 regions
  • Temporal: 1981–2025 (45 years)
  • Monthly resolution
Technical
  • Source: NASA POWER / MERRA-2
  • Resolution: 0.5° × 0.625°
  • Variables: Temperature, Precipitation