Best year time to visit Okamoto

General weather information about Okamoto

Average annual temperature is 16.9 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -4.1 °C

Number of sunny days: 180 days

Number of rainy days: 184 days

Number of snow days: 1 day

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

Okamoto air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.217.623.323.426.829.933.833.633.330.525.422.7
Average daytime temperature (°C)9.611.316.019.221.325.430.531.729.622.918.714.0
Average temperature (°C)5.16.912.215.718.022.326.928.026.118.314.18.8
Average night temperature (°C)1.43.38.412.314.719.623.925.223.314.110.24.6
Absolute minimum temperature (°C)-4.1-0.73.06.49.915.721.423.718.110.24.2-1.4

Okamoto 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)6.97.17.78.98.67.510.611.39.48.77.67.8
Precipitation (mm)2356142128171297612501871396541
Sunny days16141513151020911171822
Rainy days15131617162011221914129
Snow days010000000000

Okamoto - weather forecast by months

Okamoto weather in januaryOkamoto weather in februaryOkamoto weather in marchOkamoto weather in aprilOkamoto weather in mayOkamoto weather in juneOkamoto weather in julyOkamoto weather in augustOkamoto weather in septemberOkamoto weather in octoberOkamoto weather in novemberOkamoto weather in december

Best time to visit Okamoto:

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

  • August — 11.3(h)

The largest precipitation sum in Okamoto is at

  • May — 171(mm)
  • June — 297(mm)
  • August — 250(mm)
  • September — 187(mm)

    • Weather forecast in the closest to Okamoto admin centers

    Weather forecast in the closest towns to Okamoto

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    Frequently asked questions

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