Weather in Irohama in May

General weather information about Irohama

Average annual temperature is 16.1 °C

Absolute maximum temperature: 38.0 °C

Absolute minimum temperature: -5.2 °C

Number of sunny days: 117 days

Number of rainy days: 235 days

Number of snow days: 13 days

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

Irohama air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.114.423.125.930.630.536.038.034.225.025.318.9
Average daytime temperature (°C)6.77.614.718.022.125.831.333.830.420.916.410.8
Average temperature (°C)3.94.510.313.617.922.127.329.426.116.912.87.6
Average night temperature (°C)1.41.56.410.214.418.924.126.122.913.910.05.1
Absolute minimum temperature (°C)-5.2-4.8-1.14.68.113.520.624.117.49.22.7-1.1

Irohama 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)10.010.912.013.114.114.514.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)5.25.97.88.09.27.79.510.39.48.56.75.3
Precipitation (mm)211126169216266318238105157157254276
Sunny days48161216713771395
Rainy days221515181523182423182123
Snow days550000000003

Irohama - weather forecast by months

Irohama weather in januaryIrohama weather in februaryIrohama weather in marchIrohama weather in aprilIrohama weather in mayIrohama weather in juneIrohama weather in julyIrohama weather in augustIrohama weather in septemberIrohama weather in octoberIrohama weather in novemberIrohama weather in december

Best time to visit Irohama:

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

  • August — 10.3(h)

The largest precipitation sum in Irohama is at

  • May — 266(mm)
  • June — 318(mm)
  • December — 276(mm)

    • Weather forecast in the closest to Irohama admin centers

    Weather forecast in the closest towns to Irohama

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    Frequently asked questions

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