Best year time to visit Iwaoi

General weather information about Iwaoi

Average annual temperature is 8.0 °C

Absolute maximum temperature: 30.7 °C

Absolute minimum temperature: -15.7 °C

Number of sunny days: 125 days

Number of rainy days: 182 days

Number of snow days: 58 days

Look at detailed online map of Iwaoi

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

Iwaoi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.65.412.413.922.323.330.630.727.920.117.29.3
Average daytime temperature (°C)-3.4-3.24.08.913.616.821.824.521.715.09.30.9
Average temperature (°C)-5.8-5.70.95.49.213.718.921.719.212.46.6-1.4
Average night temperature (°C)-8.6-8.8-2.22.56.211.516.619.617.19.83.8-4.0
Absolute minimum temperature (°C)-12.5-15.7-10.6-4.00.46.510.913.612.05.3-3.3-9.9

Iwaoi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)6.37.67.97.810.77.59.18.07.87.35.65.9
Precipitation (mm)3847108153551117314116811910967
Sunny days6131710131197811911
Rainy days101120181922242220178
Snow days241530000000412

Best time to visit Iwaoi:

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

  • May — 10.7(h)

Months with the longest average daylight duration in Iwaoi:

  • June — 15.4(h)

The largest precipitation sum in Iwaoi is at

  • April — 153(mm)
  • August — 141(mm)
  • September — 168(mm)
  • Frequently asked questions

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