Best year time to visit Idaho Falls

General weather information about Idaho Falls

Average annual temperature is 7.3 °C

Absolute maximum temperature: 38.4 °C

Absolute minimum temperature: -29.2 °C

Number of sunny days: 209 days

Number of rainy days: 108 days

Number of snow days: 48 days

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

Idaho Falls air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.03.08.125.429.630.838.435.728.823.714.17.7
Average daytime temperature (°C)-3.1-2.52.012.122.124.433.829.924.215.77.32.6
Average temperature (°C)-7.0-8.1-3.44.314.116.625.121.716.08.21.3-2.9
Average night temperature (°C)-10.9-12.6-7.8-2.16.39.315.214.28.62.6-3.2-6.5
Absolute minimum temperature (°C)-29.2-23.6-16.7-7.7-0.32.610.610.11.7-7.8-11.9-15.8

Idaho Falls 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)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.76.57.010.711.911.813.611.010.08.17.05.3
Precipitation (mm)43314920402812848292420
Sunny days11148151012292124212222
Rainy days83109211821061074
Snow days121113600000015

Idaho Falls - weather forecast by months

Idaho Falls weather in januaryIdaho Falls weather in februaryIdaho Falls weather in marchIdaho Falls weather in aprilIdaho Falls weather in mayIdaho Falls weather in juneIdaho Falls weather in julyIdaho Falls weather in augustIdaho Falls weather in septemberIdaho Falls weather in octoberIdaho Falls weather in novemberIdaho Falls weather in december

Best time to visit Idaho Falls:

The best time to visit Idaho Falls during the most sunny months:

  • May — 11.9(h)
  • June — 11.8(h)
  • July — 13.6(h)

Months with the longest average daylight duration in Idaho Falls:

  • June — 15.4(h)

The largest precipitation sum in Idaho Falls is at

  • January — 43(mm)
  • March — 49(mm)
  • May — 40(mm)
  • September — 48(mm)

    • Weather forecast in the closest to Idaho Falls admin centers

    Weather forecast in the closest towns to Idaho Falls

    Explore Idaho Falls

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    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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