Best year time to visit Kōshi

General weather information about Kōshi

Average annual temperature is 17.0 °C

Absolute maximum temperature: 35.3 °C

Absolute minimum temperature: -5.3 °C

Number of sunny days: 145 days

Number of rainy days: 219 days

Number of snow days: 1 day

Look at detailed online map of Kōshi

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

Kōshi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.819.024.127.029.630.434.735.334.528.228.021.4
Average daytime temperature (°C)10.213.017.920.924.526.930.932.730.623.018.312.6
Average temperature (°C)5.57.812.315.619.622.926.928.225.817.412.98.0
Average night temperature (°C)1.73.27.210.915.019.523.824.822.112.78.64.0
Absolute minimum temperature (°C)-5.3-3.0-2.43.57.212.922.322.518.96.51.7-3.3

Kōshi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.311.012.013.013.814.314.113.312.411.410.510.0
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.56.78.07.78.86.38.610.49.69.08.06.1
Precipitation (mm)92100142228305484294207116477995
Sunny days16141617155434191913
Rainy days151415131625272826121117
Snow days000000000001

Kōshi - weather forecast by months

Kōshi weather in januaryKōshi weather in februaryKōshi weather in marchKōshi weather in aprilKōshi weather in mayKōshi weather in juneKōshi weather in julyKōshi weather in augustKōshi weather in septemberKōshi weather in octoberKōshi weather in novemberKōshi weather in december

Best time to visit Kōshi:

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

  • August — 10.4(h)

The largest precipitation sum in Kōshi is at

  • May — 305(mm)
  • June — 484(mm)
  • July — 294(mm)

    • Weather forecast in the closest to Kōshi admin centers

    Weather forecast in the closest towns to Kōshi

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    Frequently asked questions

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