Best year time to visit Iona

General weather information about Iona

Average annual temperature is 8.5 °C

Absolute maximum temperature: 36.5 °C

Absolute minimum temperature: -25.0 °C

Number of sunny days: 214 days

Number of rainy days: 117 days

Number of snow days: 34 days

Look at detailed online map of Iona

* 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)1.14.26.326.829.830.634.736.534.430.817.611.0
Average daytime temperature (°C)-5.4-2.6-0.111.923.127.127.328.025.314.68.74.6
Average temperature (°C)-8.4-7.4-4.75.816.721.821.422.219.710.13.30.0
Average night temperature (°C)-10.9-11.3-8.41.311.216.716.417.815.06.5-0.9-3.1
Absolute minimum temperature (°C)-23.7-25.0-17.4-9.62.010.010.611.78.9-6.8-11.0-8.9

Iona monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.37.16.78.311.512.812.711.310.17.57.05.0
Precipitation (mm)51545296113884210848189372
Sunny days191821151716142016142420
Rainy days3531114141711141447
Snow days957400000324

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 — 11.5(h)
  • June — 12.8(h)
  • July — 12.7(h)
  • August — 11.3(h)

Months with the longest average daylight duration in Iona:

  • June — 15.4(h)

The largest precipitation sum in Iona is at

  • April — 96(mm)
  • May — 113(mm)
  • August — 108(mm)
  • October — 189(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.