Best year time to visit Iwamatsu

General weather information about Iwamatsu

Average annual temperature is 7.9 °C

Absolute maximum temperature: 31.6 °C

Absolute minimum temperature: -22.3 °C

Number of sunny days: 105 days

Number of rainy days: 188 days

Number of snow days: 72 days

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

Iwamatsu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.07.315.316.925.228.030.831.627.421.216.66.8
Average daytime temperature (°C)-4.6-2.96.011.417.021.625.826.122.514.67.1-1.4
Average temperature (°C)-8.4-6.21.46.811.916.921.522.518.410.13.8-4.8
Average night temperature (°C)-12.5-10.3-3.02.87.613.118.019.614.76.50.7-8.3
Absolute minimum temperature (°C)-22.3-19.3-9.8-5.9-0.96.012.814.36.30.6-7.7-18.6

Iwamatsu 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)9.410.511.913.414.715.315.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)6.97.28.48.69.69.610.06.77.87.66.45.1
Precipitation (mm)345370125461581111251899213951
Sunny days8413989114101298
Rainy days311220232120272019166
Snow days202361000000517

Iwamatsu - weather forecast by months

Iwamatsu weather in januaryIwamatsu weather in februaryIwamatsu weather in marchIwamatsu weather in aprilIwamatsu weather in mayIwamatsu weather in juneIwamatsu weather in julyIwamatsu weather in augustIwamatsu weather in septemberIwamatsu weather in octoberIwamatsu weather in novemberIwamatsu weather in december

Best time to visit Iwamatsu:

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

  • July — 10.0(h)

Months with the longest average daylight duration in Iwamatsu:

  • June — 15.3(h)

The largest precipitation sum in Iwamatsu is at

  • April — 125(mm)
  • June — 158(mm)
  • August — 125(mm)
  • September — 189(mm)
  • November — 139(mm)

    • Weather forecast in the closest to Iwamatsu admin centers

    Weather forecast in the closest towns to Iwamatsu

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    Frequently asked questions

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