Best year time to visit Ōishi

General weather information about Ōishi

Average annual temperature is 13.5 °C

Absolute maximum temperature: 35.2 °C

Absolute minimum temperature: -9.4 °C

Number of sunny days: 135 days

Number of rainy days: 217 days

Number of snow days: 13 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)12.513.216.920.226.527.735.233.329.525.323.316.2
Average daytime temperature (°C)4.34.911.415.718.022.327.929.525.919.414.67.9
Average temperature (°C)0.91.27.311.414.619.824.727.023.215.510.54.6
Average night temperature (°C)-1.8-2.03.77.811.817.821.825.021.012.47.31.9
Absolute minimum temperature (°C)-9.4-7.8-3.71.65.013.717.522.915.25.6-1.2-3.0

Ōishi 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)9.810.712.013.214.314.914.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)6.67.78.79.28.68.09.611.37.58.76.86.0
Precipitation (mm)2460177105126232143128201778869
Sunny days161117171371146111210
Rainy days101214131823202724201719
Snow days550000000012

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 — 11.3(h)

The largest precipitation sum in Ōishi is at

  • March — 177(mm)
  • June — 232(mm)
  • September — 201(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.