Best year time to visit Iona

General weather information about Iona

Average annual temperature is 14.3 °C

Absolute maximum temperature: 36.0 °C

Absolute minimum temperature: -10.0 °C

Number of sunny days: 187 days

Number of rainy days: 177 days

Number of snow days: 1 day

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* Weather data for Iona United States is based on climate observations for 2026 year

Iona air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.021.019.429.128.834.336.033.935.828.020.616.5
Average daytime temperature (°C)9.910.412.320.522.127.131.329.826.221.013.010.3
Average temperature (°C)6.05.66.614.416.121.025.824.421.015.67.86.2
Average night temperature (°C)2.81.31.89.510.615.821.420.117.011.23.72.6
Absolute minimum temperature (°C)-3.9-10.0-3.81.54.610.818.316.012.24.9-4.6-4.0

Iona monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.712.013.314.414.914.713.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.86.97.49.211.410.611.710.28.28.67.85.2
Precipitation (mm)89518615853102115651082663199
Sunny days13151516211371214202219
Rainy days18121614101724191611812
Snow days010000000000

Iona - weather forecast by months

Iona weather in januaryIona weather in februaryIona weather in marchIona weather in aprilIona weather in mayIona weather in juneIona weather in julyIona weather in augustIona weather in septemberIona weather in octoberIona weather in novemberIona weather in december

Best time to visit Iona:

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

  • May — 11.4(h)
  • July — 11.7(h)

The largest precipitation sum in Iona is at

  • April — 158(mm)
  • December — 199(mm)

    • Weather forecast in the closest to Iona admin centers

    Weather forecast in the closest towns to Iona

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    Frequently asked questions

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