Best year time to visit Ōishi

General weather information about Ōishi

Average annual temperature is 16.7 °C

Absolute maximum temperature: 36.6 °C

Absolute minimum temperature: -4.6 °C

Number of sunny days: 134 days

Number of rainy days: 226 days

Number of snow days: 5 days

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

Ōishi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.917.324.426.729.031.335.736.633.026.626.921.6
Average daytime temperature (°C)9.211.416.919.623.726.730.933.029.822.617.611.9
Average temperature (°C)5.47.311.814.819.022.726.928.325.317.813.08.1
Average night temperature (°C)2.23.77.410.715.419.723.924.922.114.09.24.7
Absolute minimum temperature (°C)-4.6-1.4-0.14.79.715.321.322.418.19.93.0-1.5

Ōishi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.36.37.98.08.27.58.610.69.28.67.45.6
Precipitation (mm)1279010322225924124915697325268
Sunny days1210181515663519169
Rainy days161813151624252825121420
Snow days300000000002

Ōishi - weather forecast by months

Ōishi weather in januaryŌishi weather in februaryŌishi weather in marchŌishi weather in aprilŌishi weather in mayŌishi weather in juneŌishi weather in julyŌishi weather in augustŌishi weather in septemberŌishi weather in octoberŌishi weather in novemberŌishi weather in december

Best time to visit Ōishi:

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

  • August — 10.6(h)

The largest precipitation sum in Ōishi is at

  • April — 222(mm)
  • May — 259(mm)
  • June — 241(mm)
  • July — 249(mm)

    • Weather forecast in the closest to Ōishi admin centers

    Weather forecast in the closest towns to Ōishi

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    Frequently asked questions

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