Best year time to visit Iyo

General weather information about Iyo

Average annual temperature is 17.0 °C

Absolute maximum temperature: 35.6 °C

Absolute minimum temperature: -2.9 °C

Number of sunny days: 146 days

Number of rainy days: 215 days

Number of snow days: 4 days

Look at detailed online map of Iyo

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

Iyo air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.817.524.125.429.332.434.335.634.327.027.023.1
Average daytime temperature (°C)10.111.316.919.423.326.131.131.930.223.018.212.6
Average temperature (°C)6.67.111.915.019.022.627.127.926.018.113.58.7
Average night temperature (°C)3.53.07.110.514.919.323.424.822.514.19.34.9
Absolute minimum temperature (°C)-2.9-1.01.25.37.813.917.222.119.89.83.5-0.8

Iyo 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)10.211.012.013.013.914.414.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.97.28.68.29.27.09.810.19.48.88.07.0
Precipitation (mm)9162101239245286154206952812075
Sunny days121218191611816181312
Rainy days171613111519233024131717
Snow days200000000002

Iyo - weather forecast by months

Iyo weather in januaryIyo weather in februaryIyo weather in marchIyo weather in aprilIyo weather in mayIyo weather in juneIyo weather in julyIyo weather in augustIyo weather in septemberIyo weather in octoberIyo weather in novemberIyo weather in december

Best time to visit Iyo:

The largest precipitation sum in Iyo is at

  • April — 239(mm)
  • May — 245(mm)
  • June — 286(mm)
  • August — 206(mm)

    • Weather forecast in the closest to Iyo admin centers

    Weather forecast in the closest towns to Iyo

    Explore Iyo

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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