Best year time to visit Iwatomi

General weather information about Iwatomi

Average annual temperature is 8.3 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -18.5 °C

Number of sunny days: 124 days

Number of rainy days: 187 days

Number of snow days: 54 days

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

Iwatomi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.66.916.019.326.329.932.833.930.323.318.812.0
Average daytime temperature (°C)-4.8-2.96.312.418.222.926.027.523.815.89.30.2
Average temperature (°C)-9.2-6.91.56.912.017.721.523.419.411.25.1-4.3
Average night temperature (°C)-13.0-10.6-2.83.07.213.517.920.516.17.61.4-8.3
Absolute minimum temperature (°C)-17.2-15.7-10.5-4.1-0.56.312.014.310.40.8-7.7-18.5

Iwatomi 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)6.76.67.47.910.09.58.68.57.97.35.75.8
Precipitation (mm)234360136371071041061531038241
Sunny days166157131249691215
Rainy days111222181827222422164
Snow days142141000000212

Iwatomi - weather forecast by months

Iwatomi weather in januaryIwatomi weather in februaryIwatomi weather in marchIwatomi weather in aprilIwatomi weather in mayIwatomi weather in juneIwatomi weather in julyIwatomi weather in augustIwatomi weather in septemberIwatomi weather in octoberIwatomi weather in novemberIwatomi weather in december

Best time to visit Iwatomi:

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

  • May — 10.0(h)

Months with the longest average daylight duration in Iwatomi:

  • June — 15.4(h)

The largest precipitation sum in Iwatomi is at

  • April — 136(mm)
  • June — 107(mm)
  • August — 106(mm)
  • September — 153(mm)

    • Weather forecast in the closest to Iwatomi admin centers

    Weather forecast in the closest towns to Iwatomi

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    Frequently asked questions

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