Best year time to visit Glacier

General weather information about Glacier

Average annual temperature is 10.5 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -15.6 °C

Number of sunny days: 147 days

Number of rainy days: 202 days

Number of snow days: 16 days

Look at detailed online map of Glacier

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

Glacier air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.011.115.125.331.128.229.331.726.024.616.013.8
Average daytime temperature (°C)7.05.69.111.520.620.724.725.620.015.610.29.5
Average temperature (°C)4.11.93.76.815.015.519.019.915.211.16.36.3
Average night temperature (°C)1.7-0.8-0.33.110.511.214.115.211.47.93.43.9
Absolute minimum temperature (°C)-6.2-15.6-8.9-4.13.93.210.09.44.8-2.7-0.9-3.3

Glacier monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.810.211.913.715.316.115.714.312.610.89.28.3
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)3.23.47.16.110.810.813.011.78.95.84.32.5
Precipitation (mm)1261941381734439282895110226253
Sunny days8474141626221415134
Rainy days2016202517145916161727
Snow days384100000000

Glacier - weather forecast by months

Glacier weather in januaryGlacier weather in februaryGlacier weather in marchGlacier weather in aprilGlacier weather in mayGlacier weather in juneGlacier weather in julyGlacier weather in augustGlacier weather in septemberGlacier weather in octoberGlacier weather in novemberGlacier weather in december

Best time to visit Glacier:

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

  • May — 10.8(h)
  • June — 10.8(h)
  • July — 13.0(h)
  • August — 11.7(h)

Months with the longest average daylight duration in Glacier:

  • June — 16.1(h)
  • July — 15.7(h)

The largest precipitation sum in Glacier is at

  • February — 194(mm)
  • April — 173(mm)
  • November — 226(mm)
  • December — 253(mm)

    • Weather forecast in the closest to Glacier admin centers

    Weather forecast in the closest towns to Glacier

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    MapTrains schedule
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    Frequently asked questions

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