Best year time to visit Ōiwagawa

General weather information about Ōiwagawa

Average annual temperature is 14.9 °C

Absolute maximum temperature: 35.4 °C

Absolute minimum temperature: -7.1 °C

Number of sunny days: 94 days

Number of rainy days: 249 days

Number of snow days: 22 days

Look at detailed online map of Ōiwagawa

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

Ōiwagawa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.311.823.621.527.528.230.435.432.723.524.016.2
Average daytime temperature (°C)4.74.712.215.419.423.826.831.627.219.315.19.2
Average temperature (°C)2.42.88.111.515.520.924.929.124.917.212.87.2
Average night temperature (°C)0.60.94.48.212.118.223.226.622.815.310.45.1
Absolute minimum temperature (°C)-7.1-2.7-2.62.54.114.118.924.417.411.14.00.0

Ōiwagawa 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)9.810.812.013.214.314.814.613.612.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.35.18.18.08.88.69.411.87.97.95.43.9
Precipitation (mm)17510612113917419026721255411491404
Sunny days12121110513205663
Rainy days191719192125181125252426
Snow days1190000000002

Best time to visit Ōiwagawa:

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

  • July — 9.4(h)
  • August — 11.8(h)

The largest precipitation sum in Ōiwagawa is at

  • October — 411(mm)
  • November — 491(mm)
  • December — 404(mm)
  • Frequently asked questions

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