Best year time to visit Iwasaki

General weather information about Iwasaki

Average annual temperature is 16.6 °C

Absolute maximum temperature: 36.1 °C

Absolute minimum temperature: -5.3 °C

Number of sunny days: 132 days

Number of rainy days: 229 days

Number of snow days: 4 days

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

Iwasaki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.016.723.225.329.331.135.436.132.726.927.921.6
Average daytime temperature (°C)9.011.116.719.523.426.530.832.729.522.417.511.6
Average temperature (°C)5.27.011.614.618.822.627.028.125.217.713.08.0
Average night temperature (°C)1.93.57.410.715.019.423.924.822.114.09.34.7
Absolute minimum temperature (°C)-5.3-1.3-1.35.68.915.420.822.918.310.54.0-2.7

Iwasaki 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)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.96.27.98.08.17.48.710.49.48.67.45.3
Precipitation (mm)12487116191264228257185105415798
Sunny days1310181514743421158
Rainy days161813151723272826101521
Snow days200000000002

Iwasaki - weather forecast by months

Iwasaki weather in januaryIwasaki weather in februaryIwasaki weather in marchIwasaki weather in aprilIwasaki weather in mayIwasaki weather in juneIwasaki weather in julyIwasaki weather in augustIwasaki weather in septemberIwasaki weather in octoberIwasaki weather in novemberIwasaki weather in december

Best time to visit Iwasaki:

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

  • August — 10.4(h)

The largest precipitation sum in Iwasaki is at

  • April — 191(mm)
  • May — 264(mm)
  • June — 228(mm)
  • July — 257(mm)
  • August — 185(mm)

    • Weather forecast in the closest to Iwasaki admin centers

    Weather forecast in the closest towns to Iwasaki

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    Frequently asked questions

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