Best year time to visit City of Glen Ullin

General weather information about City of Glen Ullin

Average annual temperature is 6.8 °C

Absolute maximum temperature: 35.9 °C

Absolute minimum temperature: -33.3 °C

Number of sunny days: 227 days

Number of rainy days: 97 days

Number of snow days: 41 days

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* Weather data for City of Glen Ullin United States is based on climate observations for 2026 year

City of Glen Ullin air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.77.02.824.228.831.935.235.934.728.413.412.9
Average daytime temperature (°C)-3.2-1.5-4.48.422.626.628.327.823.612.36.13.5
Average temperature (°C)-7.6-7.1-9.12.115.820.921.521.317.26.90.7-1.4
Average night temperature (°C)-10.8-11.9-12.6-2.69.414.915.515.912.02.9-3.4-4.9
Absolute minimum temperature (°C)-26.3-33.3-22.0-16.5-0.89.78.611.27.6-16.8-13.8-10.8

City of Glen Ullin monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.97.27.79.911.312.613.310.89.97.37.45.6
Precipitation (mm)101743157796264511256327
Sunny days241715211613202017162523
Rainy days121715171111131234
Snow days6915200000324

City of Glen Ullin - weather forecast by months

City of Glen Ullin weather in januaryCity of Glen Ullin weather in februaryCity of Glen Ullin weather in marchCity of Glen Ullin weather in aprilCity of Glen Ullin weather in mayCity of Glen Ullin weather in juneCity of Glen Ullin weather in julyCity of Glen Ullin weather in augustCity of Glen Ullin weather in septemberCity of Glen Ullin weather in octoberCity of Glen Ullin weather in novemberCity of Glen Ullin weather in december

Best time to visit City of Glen Ullin:

The best time to visit City of Glen Ullin during the most sunny months:

  • May — 11.3(h)
  • June — 12.6(h)
  • July — 13.3(h)

Months with the longest average daylight duration in City of Glen Ullin:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in City of Glen Ullin is at

  • May — 77(mm)
  • June — 96(mm)
  • September — 112(mm)
  • October — 56(mm)

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    Frequently asked questions

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