Best year time to visit Ōiwai

General weather information about Ōiwai

Average annual temperature is 13.1 °C

Absolute maximum temperature: 34.7 °C

Absolute minimum temperature: -9.4 °C

Number of sunny days: 121 days

Number of rainy days: 227 days

Number of snow days: 17 days

Look at detailed online map of Ōiwai

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

Ōiwai air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.113.818.121.328.628.334.733.330.725.823.015.7
Average daytime temperature (°C)4.45.412.216.118.923.028.429.726.319.814.48.0
Average temperature (°C)0.71.07.011.114.619.724.426.722.914.89.73.8
Average night temperature (°C)-2.1-2.52.46.811.117.021.024.220.110.86.00.6
Absolute minimum temperature (°C)-9.4-7.8-2.80.84.911.516.721.712.05.7-1.1-3.2

Ōiwai 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)6.57.68.79.18.78.19.811.47.78.76.86.3
Precipitation (mm)284914696124169145129223878669
Sunny days14132018116513101010
Rainy days91111122024263027211818
Snow days840000000023

Ōiwai - weather forecast by months

Ōiwai weather in januaryŌiwai weather in februaryŌiwai weather in marchŌiwai weather in aprilŌiwai weather in mayŌiwai weather in juneŌiwai weather in julyŌiwai weather in augustŌiwai weather in septemberŌiwai weather in octoberŌiwai weather in novemberŌiwai weather in december

Best time to visit Ōiwai:

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

  • August — 11.4(h)

The largest precipitation sum in Ōiwai is at

  • March — 146(mm)
  • June — 169(mm)
  • July — 145(mm)
  • September — 223(mm)

    • Weather forecast in the closest to Ōiwai admin centers

    Weather forecast in the closest towns to Ōiwai

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    Frequently asked questions

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