Best year time to visit Koizumichō

General weather information about Koizumichō

Average annual temperature is 16.0 °C

Absolute maximum temperature: 38.4 °C

Absolute minimum temperature: -7.5 °C

Number of sunny days: 149 days

Number of rainy days: 213 days

Number of snow days: 3 days

Look at detailed online map of Koizumichō

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

Koizumichō air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.516.325.424.226.929.735.438.433.825.926.722.0
Average daytime temperature (°C)8.69.616.419.323.025.931.733.330.421.716.912.1
Average temperature (°C)4.24.810.614.118.022.127.128.625.716.712.17.4
Average night temperature (°C)0.10.45.39.213.318.423.125.022.112.48.03.2
Absolute minimum temperature (°C)-7.5-3.6-1.04.26.712.918.922.417.87.91.2-2.4

Koizumichō 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)10.110.912.013.114.014.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.26.48.58.19.37.010.510.010.08.77.37.1
Precipitation (mm)5857137154250403881881226512244
Sunny days1012171414810610151617
Rainy days191514161722212520161414
Snow days210000000000

Koizumichō - weather forecast by months

Koizumichō weather in januaryKoizumichō weather in februaryKoizumichō weather in marchKoizumichō weather in aprilKoizumichō weather in mayKoizumichō weather in juneKoizumichō weather in julyKoizumichō weather in augustKoizumichō weather in septemberKoizumichō weather in octoberKoizumichō weather in novemberKoizumichō weather in december

Best time to visit Koizumichō:

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

  • July — 10.5(h)

The largest precipitation sum in Koizumichō is at

  • May — 250(mm)
  • June — 403(mm)
  • August — 188(mm)

    • Weather forecast in the closest to Koizumichō admin centers

    Weather forecast in the closest towns to Koizumichō

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    Frequently asked questions

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