Weather in Ōi in September

General weather information about Ōi

Average annual temperature is 15.3 °C

Absolute maximum temperature: 36.2 °C

Absolute minimum temperature: -5.7 °C

Number of sunny days: 145 days

Number of rainy days: 216 days

Number of snow days: 4 days

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)15.818.523.126.329.932.336.233.631.826.524.920.1
Average daytime temperature (°C)8.810.316.418.822.325.832.030.129.021.616.912.4
Average temperature (°C)4.15.310.513.617.521.626.525.924.316.011.36.8
Average night temperature (°C)0.41.25.38.813.318.022.023.220.811.66.72.6
Absolute minimum temperature (°C)-5.7-3.8-1.01.95.512.019.521.417.55.50.4-2.2

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)10.211.012.013.014.014.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.46.98.28.28.76.811.09.19.38.57.87.5
Precipitation (mm)5735142233280524745691291469472
Sunny days14151312138906151921
Rainy days151217181822223124161110
Snow days211000000000

Best time to visit Ōi:

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

  • July — 11.0(h)

The largest precipitation sum in Ōi is at

  • May — 280(mm)
  • June — 524(mm)
  • August — 569(mm)
  • 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.