Best year time to visit Kōyō

General weather information about Kōyō

Average annual temperature is 8.0 °C

Absolute maximum temperature: 32.4 °C

Absolute minimum temperature: -21.6 °C

Number of sunny days: 170 days

Number of rainy days: 162 days

Number of snow days: 33 days

Look at detailed online map of Kōyō

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

Kōyō air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.75.811.114.619.523.732.429.927.121.716.89.7
Average daytime temperature (°C)-2.3-2.15.39.713.617.223.625.022.615.69.81.5
Average temperature (°C)-6.7-6.11.56.09.514.219.522.019.312.06.3-2.3
Average night temperature (°C)-10.9-11.1-2.13.16.511.916.719.916.88.73.0-5.7
Absolute minimum temperature (°C)-19.6-21.6-14.2-3.2-0.66.412.014.711.02.5-6.6-12.9

Kōyō 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)9.410.511.913.414.715.315.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)7.17.28.18.19.97.39.17.87.27.86.56.2
Precipitation (mm)2343110148589072200158999256
Sunny days201618913716914151419
Rainy days111021182315221616154
Snow days10113000000018

Kōyō - weather forecast by months

Kōyō weather in januaryKōyō weather in februaryKōyō weather in marchKōyō weather in aprilKōyō weather in mayKōyō weather in juneKōyō weather in julyKōyō weather in augustKōyō weather in septemberKōyō weather in octoberKōyō weather in novemberKōyō weather in december

Best time to visit Kōyō:

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

  • May — 9.9(h)

Months with the longest average daylight duration in Kōyō:

  • June — 15.3(h)

The largest precipitation sum in Kōyō is at

  • April — 148(mm)
  • August — 200(mm)
  • September — 158(mm)

    • Weather forecast in the closest to Kōyō admin centers

    Weather forecast in the closest towns to Kōyō

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    Frequently asked questions

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