Best year time to visit Iwamatsu

General weather information about Iwamatsu

Average annual temperature is 17.8 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: -2.4 °C

Number of sunny days: 140 days

Number of rainy days: 224 days

Number of snow days: 1 day

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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)18.517.222.424.327.529.233.033.231.726.625.522.2
Average daytime temperature (°C)10.111.616.319.122.425.130.030.629.422.618.213.1
Average temperature (°C)7.98.413.116.119.422.827.327.626.219.215.210.4
Average night temperature (°C)5.75.19.813.216.720.725.025.223.716.412.67.8
Absolute minimum temperature (°C)-2.4-0.43.09.310.616.820.522.821.011.37.52.1

Iwamatsu 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)10.211.012.013.013.914.314.113.412.411.410.510.0
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.07.18.88.29.16.310.310.19.98.77.96.7
Precipitation (mm)926911524121937210321465287462
Sunny days13161816161021720129
Rainy days181213141520293023111821
Snow days000000000001

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 largest precipitation sum in Iwamatsu is at

  • April — 241(mm)
  • May — 219(mm)
  • June — 372(mm)
  • August — 214(mm)

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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.