Weather in Ōi in September

General weather information about Ōi

Average annual temperature is 17.5 °C

Absolute maximum temperature: 31.5 °C

Absolute minimum temperature: -1.6 °C

Number of sunny days: 189 days

Number of rainy days: 175 days

Number of snow days: 1 day

Look at detailed online map of Ōi

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

Ōi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.514.616.920.023.126.630.531.529.626.523.217.5
Average daytime temperature (°C)9.310.113.816.920.623.628.429.328.421.917.412.5
Average temperature (°C)7.27.911.615.118.922.327.128.126.919.415.310.2
Average night temperature (°C)4.85.69.113.017.221.125.726.825.116.812.87.7
Absolute minimum temperature (°C)-1.62.35.49.113.217.723.124.721.313.78.23.6

Ōi 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)10.110.912.013.114.014.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.67.78.58.69.46.911.210.59.89.07.97.5
Precipitation (mm)496597139216395412461711568658
Sunny days16151917171419612171918
Rainy days141312131416122518141113
Snow days100000000000

Ōi - weather forecast by months

Ōi weather in januaryŌi weather in februaryŌi weather in marchŌi weather in aprilŌi weather in mayŌi weather in juneŌi weather in julyŌi weather in augustŌi weather in septemberŌi weather in octoberŌi weather in novemberŌi weather in december

Best time to visit Ōi:

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

  • July — 11.2(h)

The largest precipitation sum in Ōi is at

  • May — 216(mm)
  • June — 395(mm)
  • August — 246(mm)

    • Weather forecast in the closest to Ōi admin centers

    Weather forecast in the closest towns to Ōi

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    Frequently asked questions

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