Grand Forks County Climate
Grand Forks County, North Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
40.0°F
Annual Precip
22.3"
Annual Snowfall
48.5"
Extreme Heat Days
7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4a
Minimum winter temperature range for plant survival
2,109
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Grand Forks County
Climate Verdict
Grand Forks County has a cool, averaging 40.0°F annually, semi-arid conditions with only 22.3 inches of annual precipitation, rare extreme heat with only 7.433333333333333 days above 90°F annually, moderate snowfall of 48.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are severe, with January averaging a frigid 6.4°F. summers are pleasantly cool with July averaging 69.0°F. Residents experience a substantial 63°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Grand Forks County closely matches the North Dakota statewide average temperature of 40.9°F, it is somewhat wetter than average for North Dakota.
Climate Profile
About Grand Forks County Weather
Grand Forks Faces a Rugged Continental Climate
With an average annual temperature of 40.0°F, Grand Forks is significantly cooler than the national median of approximately 55°F. This humid continental region experiences dramatic seasonal shifts typical of the northern plains.
Trailing the State Temperature Average
The county's 40.0°F annual average sits one full degree below the North Dakota state average of 41.0°F. This makes it one of the cooler jurisdictions in a state already known for its frigid conditions.
Colder than Neighbors to the West
Grand Forks remains slightly warmer than Griggs County to the south, which averages 39.3°F. However, it cannot match the 42.8°F average seen in southwestern counties like Grant.
Frigid Winters Meet Mild Summers
Winter temperatures plummet to a mean of 10.3°F, supported by 48.5 inches of annual snowfall. Summers are pleasant but short, with July averaging 69.0°F and only 7 days reaching above 90°F.
Prepare for Deep Freezes and Snow
High-efficiency heating systems are essential to handle January lows that average 6.4°F. Residents should also invest in heavy-duty snow removal equipment to manage the nearly 50 inches of annual accumulation.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.