Best year time to visit Kōseichō

General weather information about Kōseichō

Average annual temperature is 7.7 °C

Absolute maximum temperature: 34.4 °C

Absolute minimum temperature: -21.8 °C

Number of sunny days: 130 days

Number of rainy days: 181 days

Number of snow days: 54 days

Look at detailed online map of Kōseichō

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

Kōseichō air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.87.015.419.526.629.333.334.428.523.218.410.1
Average daytime temperature (°C)-5.3-3.36.412.018.122.826.227.523.415.48.5-0.2
Average temperature (°C)-10.5-7.81.16.611.817.521.423.319.010.64.4-5.3
Average night temperature (°C)-15.3-11.9-3.32.46.713.017.620.315.66.70.5-9.8
Absolute minimum temperature (°C)-21.3-19.2-12.1-4.6-0.75.411.714.69.2-0.4-9.6-21.8

Kōseichō monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)6.97.17.78.310.09.88.58.37.57.55.95.9
Precipitation (mm)19444412048116118991601038034
Sunny days14111610138698101114
Rainy days131219182225222221142
Snow days161431000000515

Kōseichō - weather forecast by months

Kōseichō weather in januaryKōseichō weather in februaryKōseichō weather in marchKōseichō weather in aprilKōseichō weather in mayKōseichō weather in juneKōseichō weather in julyKōseichō weather in augustKōseichō weather in septemberKōseichō weather in octoberKōseichō weather in novemberKōseichō weather in december

Best time to visit Kōseichō:

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

  • May — 10.0(h)
  • June — 9.8(h)

Months with the longest average daylight duration in Kōseichō:

  • June — 15.4(h)

The largest precipitation sum in Kōseichō is at

  • April — 120(mm)
  • June — 116(mm)
  • July — 118(mm)
  • September — 160(mm)

    • Weather forecast in the closest to Kōseichō admin centers

    Weather forecast in the closest towns to Kōseichō

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    Frequently asked questions

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