Best year time to visit Koma

General weather information about Koma

Average annual temperature is 16.7 °C

Absolute maximum temperature: 33.3 °C

Absolute minimum temperature: -4.3 °C

Number of sunny days: 184 days

Number of rainy days: 180 days

Number of snow days: 1 day

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* Weather data for Koma Japan is based on climate observations for 2026 year

Koma air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.317.723.123.625.829.432.733.333.030.125.222.3
Average daytime temperature (°C)9.711.516.119.221.024.729.230.829.022.518.614.0
Average temperature (°C)5.27.112.215.617.722.026.327.525.817.913.88.8
Average night temperature (°C)1.43.38.512.114.319.523.524.822.913.79.74.5
Absolute minimum temperature (°C)-4.3-1.52.55.99.015.920.722.818.99.23.2-2.3

Koma monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.110.912.013.114.014.514.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)6.97.17.88.98.67.310.311.19.48.77.67.7
Precipitation (mm)2670143138172329542781691327342
Sunny days141614131610191110191923
Rainy days17111717152012202012118
Snow days010000000000

Koma - weather forecast by months

Koma weather in januaryKoma weather in februaryKoma weather in marchKoma weather in aprilKoma weather in mayKoma weather in juneKoma weather in julyKoma weather in augustKoma weather in septemberKoma weather in octoberKoma weather in novemberKoma weather in december

Best time to visit Koma:

The best time to visit Koma during the most sunny months:

  • August — 11.1(h)

The largest precipitation sum in Koma is at

  • May — 172(mm)
  • June — 329(mm)
  • August — 278(mm)

    • Weather forecast in the closest to Koma admin centers

    Weather forecast in the closest towns to Koma

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    Frequently asked questions

    When is the best time to visit Koma?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Koma.
    What is the weather like in Koma?
    See average temperature, rainfall and daylight hours for Koma by month in the table above.
    How many sunny days does Koma have?
    The monthly weather statistics above show sunshine and rainfall patterns for Koma throughout the year.