Best year time to visit Iwaya

General weather information about Iwaya

Average annual temperature is 16.5 °C

Absolute maximum temperature: 35.3 °C

Absolute minimum temperature: -5.8 °C

Number of sunny days: 142 days

Number of rainy days: 219 days

Number of snow days: 4 days

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

Iwaya air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.719.323.426.730.631.235.334.133.525.926.422.4
Average daytime temperature (°C)9.611.216.820.023.526.831.331.529.922.218.112.5
Average temperature (°C)5.36.711.414.718.622.627.227.425.217.312.98.0
Average night temperature (°C)2.02.96.910.414.519.424.024.421.613.69.14.5
Absolute minimum temperature (°C)-5.8-2.8-2.36.07.414.721.522.617.67.82.0-2.2

Iwaya 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)6.36.97.98.28.67.08.910.39.28.67.76.3
Precipitation (mm)7810011619520628317517793354654
Sunny days14101818157615201513
Rainy days161713121623253025111516
Snow days110000000002

Iwaya - weather forecast by months

Iwaya weather in januaryIwaya weather in februaryIwaya weather in marchIwaya weather in aprilIwaya weather in mayIwaya weather in juneIwaya weather in julyIwaya weather in augustIwaya weather in septemberIwaya weather in octoberIwaya weather in novemberIwaya weather in december

Best time to visit Iwaya:

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

  • August — 10.3(h)

The largest precipitation sum in Iwaya is at

  • April — 195(mm)
  • May — 206(mm)
  • June — 283(mm)
  • July — 175(mm)
  • August — 177(mm)

    • Weather forecast in the closest to Iwaya admin centers

    Weather forecast in the closest towns to Iwaya

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    Frequently asked questions

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