Best year time to visit Iwashiri

General weather information about Iwashiri

Average annual temperature is 16.8 °C

Absolute maximum temperature: 35.8 °C

Absolute minimum temperature: -5.8 °C

Number of sunny days: 146 days

Number of rainy days: 217 days

Number of snow days: 2 days

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

Iwashiri air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.818.624.727.630.631.134.835.834.928.828.522.5
Average daytime temperature (°C)10.513.018.221.324.927.431.333.330.723.518.413.0
Average temperature (°C)5.17.512.215.519.623.027.028.225.717.412.67.6
Average night temperature (°C)0.72.97.010.615.019.423.724.521.912.48.03.5
Absolute minimum temperature (°C)-5.2-2.4-2.33.86.713.922.121.619.36.52.4-5.8

Iwashiri 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)10.311.012.013.013.914.314.113.312.411.410.510.0
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.46.87.87.98.76.78.510.59.59.37.96.2
Precipitation (mm)78771382302474683171981403952120
Sunny days16121815155536182013
Rainy days141613151625262824131017
Snow days100000000001

Iwashiri - weather forecast by months

Iwashiri weather in januaryIwashiri weather in februaryIwashiri weather in marchIwashiri weather in aprilIwashiri weather in mayIwashiri weather in juneIwashiri weather in julyIwashiri weather in augustIwashiri weather in septemberIwashiri weather in octoberIwashiri weather in novemberIwashiri weather in december

Best time to visit Iwashiri:

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

  • August — 10.5(h)

The largest precipitation sum in Iwashiri is at

  • April — 230(mm)
  • May — 247(mm)
  • June — 468(mm)
  • July — 317(mm)

    • Weather forecast in the closest to Iwashiri admin centers

    Weather forecast in the closest towns to Iwashiri

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    Frequently asked questions

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