Best year time to visit Osamunai

General weather information about Osamunai

Average annual temperature is 8.6 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: -18.0 °C

Number of sunny days: 96 days

Number of rainy days: 190 days

Number of snow days: 79 days

Look at detailed online map of Osamunai

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

Osamunai air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.95.015.018.124.428.731.733.229.022.717.910.7
Average daytime temperature (°C)-4.9-2.56.312.318.023.126.828.723.915.98.2-0.7
Average temperature (°C)-8.2-6.11.67.512.318.122.324.519.310.94.3-4.5
Average night temperature (°C)-11.7-9.8-2.43.67.413.819.021.315.47.10.5-8.4
Absolute minimum temperature (°C)-18.0-15.4-7.4-4.00.34.911.716.88.11.5-10.3-17.1

Osamunai 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)9.410.511.913.414.715.415.113.912.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)5.96.68.48.310.09.99.68.88.07.85.94.0
Precipitation (mm)82806511964110121203144118175111
Sunny days22155141087111552
Rainy days621025172023241916199
Snow days232460000000620

Osamunai - weather forecast by months

Osamunai weather in januaryOsamunai weather in februaryOsamunai weather in marchOsamunai weather in aprilOsamunai weather in mayOsamunai weather in juneOsamunai weather in julyOsamunai weather in augustOsamunai weather in septemberOsamunai weather in octoberOsamunai weather in novemberOsamunai weather in december

Best time to visit Osamunai:

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

  • May — 10.0(h)
  • June — 9.9(h)

Months with the longest average daylight duration in Osamunai:

  • June — 15.4(h)

The largest precipitation sum in Osamunai is at

  • August — 203(mm)
  • November — 175(mm)

    • Weather forecast in the closest to Osamunai admin centers

    Weather forecast in the closest towns to Osamunai

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    Frequently asked questions

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