Best year time to visit Ōsuwa

General weather information about Ōsuwa

Average annual temperature is 17.2 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -3.0 °C

Number of sunny days: 159 days

Number of rainy days: 204 days

Number of snow days: 2 days

Look at detailed online map of Ōsuwa

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

Ōsuwa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.715.823.422.226.028.532.733.933.329.024.219.6
Average daytime temperature (°C)10.611.616.218.721.525.329.431.229.222.818.513.9
Average temperature (°C)6.88.012.515.418.422.426.227.625.918.514.89.8
Average night temperature (°C)3.34.59.012.015.319.923.624.823.014.911.96.1
Absolute minimum temperature (°C)-3.00.33.35.29.217.020.122.718.511.05.5-1.0

Ōsuwa 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)7.26.97.88.78.67.110.010.79.58.87.67.4
Precipitation (mm)31791812102294748616720314311788
Sunny days161116111481257181922
Rainy days14161519172219262313119
Snow days110000000000

Ōsuwa - weather forecast by months

Ōsuwa weather in januaryŌsuwa weather in februaryŌsuwa weather in marchŌsuwa weather in aprilŌsuwa weather in mayŌsuwa weather in juneŌsuwa weather in julyŌsuwa weather in augustŌsuwa weather in septemberŌsuwa weather in octoberŌsuwa weather in novemberŌsuwa weather in december

Best time to visit Ōsuwa:

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

  • August — 10.7(h)

The largest precipitation sum in Ōsuwa is at

  • April — 210(mm)
  • May — 229(mm)
  • June — 474(mm)

    • Weather forecast in the closest to Ōsuwa admin centers

    Weather forecast in the closest towns to Ōsuwa

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    Frequently asked questions

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