Best year time to visit Grand Forks

General weather information about Grand Forks

Average annual temperature is 6.5 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: -29.5 °C

Number of sunny days: 202 days

Number of rainy days: 123 days

Number of snow days: 40 days

Look at detailed online map of Grand Forks

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

Grand Forks air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)0.43.52.212.130.536.734.134.335.230.012.310.2
Average daytime temperature (°C)-6.8-4.8-3.46.124.028.527.527.024.612.94.71.6
Average temperature (°C)-10.5-11.0-8.30.916.722.521.021.218.68.3-0.2-2.3
Average night temperature (°C)-13.6-16.1-12.4-3.69.817.215.316.413.74.3-3.8-5.1
Absolute minimum temperature (°C)-29.5-29.1-19.9-11.70.09.910.511.56.5-10.9-13.0-15.1

Grand Forks monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.015.014.013.011.09.08.0
Daylight mean duration (h)8.910.211.913.715.216.015.614.312.610.89.38.5
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.010.08.08.0
Sunshine mean duration (h)3.17.17.87.611.912.413.110.59.56.75.44.1
Precipitation (mm)91241575480303462551941
Sunny days211817141810141218182022
Rainy days2201113201719121296
Snow days8814500000113

Grand Forks - weather forecast by months

Grand Forks weather in januaryGrand Forks weather in februaryGrand Forks weather in marchGrand Forks weather in aprilGrand Forks weather in mayGrand Forks weather in juneGrand Forks weather in julyGrand Forks weather in augustGrand Forks weather in septemberGrand Forks weather in octoberGrand Forks weather in novemberGrand Forks weather in december

Best time to visit Grand Forks:

The best time to visit Grand Forks during the most sunny months:

  • May — 11.9(h)
  • June — 12.4(h)
  • July — 13.1(h)
  • August — 10.5(h)

Months with the longest average daylight duration in Grand Forks:

  • June — 16.0(h)
  • July — 15.6(h)

The largest precipitation sum in Grand Forks is at

  • April — 57(mm)
  • May — 54(mm)
  • June — 80(mm)
  • September — 62(mm)
  • October — 55(mm)

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    Weather forecast in the closest towns to Grand Forks

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    Frequently asked questions

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