Grant County Climate
Grant County, North Dakota
Avg Annual Temp
42.8°F
Annual Precip
17.4"
Annual Snowfall
48.1"
Extreme Heat Days
18.366666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Grant County Weather
A Warmer Pocket in the High Plains
Grant County averages 42.8°F annually, which is roughly 12 degrees cooler than the national median. Despite the gap with the national average, it maintains a milder profile than much of the northern Midwest.
Outpacing the North Dakota Average
The county’s 42.8°F average temperature puts it well above the state mark of 41.0°F. This positioning makes it one of the warmer regions in North Dakota.
Warmer and Drier than the East
Grant is notably warmer than Griggs County’s 39.3°F average. It is also significantly drier, receiving only 17.4 inches of precipitation compared to the 22.3 inches found in Grand Forks.
Hot Summers and Moderate Snowfall
Grant County sees 18 extreme heat days per year where temperatures top 90°F. While winters are cold at 17.3°F on average, the county still receives a substantial 48.1 inches of snow annually.
Balance Cooling and Winter Readiness
With nearly three weeks of 90-degree weather, functional air conditioning is more critical here than in northern counties. However, winter gear remains a priority for the 14.6°F January nights.
Frequently Asked Questions
What is the average temperature in Grant County?
How much rain does Grant County get?
Does it snow in Grant County?
How hot does Grant County get in summer?
How cold are winters in Grant County?
Track your own weather in Grant County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.