Best year time to visit Iwakawa

General weather information about Iwakawa

Average annual temperature is 17.0 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: -3.8 °C

Number of sunny days: 146 days

Number of rainy days: 218 days

Number of snow days: 1 day

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

Iwakawa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.219.724.327.131.632.136.935.534.432.326.223.8
Average daytime temperature (°C)10.011.517.020.422.526.632.532.730.423.119.514.2
Average temperature (°C)5.16.912.215.818.222.427.327.926.118.114.59.0
Average night temperature (°C)1.23.08.412.314.719.223.524.723.213.910.94.7
Absolute minimum temperature (°C)-3.8-3.21.15.69.715.620.221.718.59.24.9-1.9

Iwakawa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.110.912.013.114.014.514.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)6.56.67.48.88.36.910.811.58.88.67.27.5
Precipitation (mm)5076149129135267501002221277644
Sunny days181310121181734141620
Rainy days131421182022142826171411
Snow days010000000000

Iwakawa - weather forecast by months

Iwakawa weather in januaryIwakawa weather in februaryIwakawa weather in marchIwakawa weather in aprilIwakawa weather in mayIwakawa weather in juneIwakawa weather in julyIwakawa weather in augustIwakawa weather in septemberIwakawa weather in octoberIwakawa weather in novemberIwakawa weather in december

Best time to visit Iwakawa:

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

  • July — 10.8(h)
  • August — 11.5(h)

The largest precipitation sum in Iwakawa is at

  • June — 267(mm)
  • September — 222(mm)

    • Weather forecast in the closest to Iwakawa admin centers

    Weather forecast in the closest towns to Iwakawa

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    Frequently asked questions

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