Best year time to visit Ōsawa

General weather information about Ōsawa

Average annual temperature is 12.2 °C

Absolute maximum temperature: 34.7 °C

Absolute minimum temperature: -10.4 °C

Number of sunny days: 76 days

Number of rainy days: 246 days

Number of snow days: 43 days

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

Ōsawa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.29.620.522.527.927.732.834.733.622.023.214.2
Average daytime temperature (°C)1.82.611.015.019.223.527.432.527.517.912.25.8
Average temperature (°C)-0.9-0.25.59.914.119.423.427.422.713.58.72.7
Average night temperature (°C)-3.5-2.90.65.79.616.020.123.619.610.05.7-0.1
Absolute minimum temperature (°C)-10.4-7.3-4.9-1.22.010.915.120.812.65.4-1.6-6.1

Ōsawa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.814.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.25.98.38.28.98.08.411.87.77.75.33.3
Precipitation (mm)1531009013319718431674233142235209
Sunny days03161175863674
Rainy days121015182425232527252220
Snow days19150100000017

Ōsawa - weather forecast by months

Ōsawa weather in januaryŌsawa weather in februaryŌsawa weather in marchŌsawa weather in aprilŌsawa weather in mayŌsawa weather in juneŌsawa weather in julyŌsawa weather in augustŌsawa weather in septemberŌsawa weather in octoberŌsawa weather in novemberŌsawa weather in december

Best time to visit Ōsawa:

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

  • August — 11.8(h)

The largest precipitation sum in Ōsawa is at

  • July — 316(mm)
  • September — 233(mm)
  • November — 235(mm)

    • Weather forecast in the closest to Ōsawa admin centers

    Weather forecast in the closest towns to Ōsawa

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    Frequently asked questions

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