Griggs County Climate
Griggs County, North Dakota
Avg Annual Temp
39.3°F
Annual Precip
22.0"
Annual Snowfall
42.2"
Extreme Heat Days
5.1
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Griggs County Weather
Defining Northern Cold in Griggs County
Griggs County is one of the coldest spots in the lower 48, with an annual average temperature of just 39.3°F. This is nearly 16 degrees below the national median temperature.
Falling Short of State Norms
The county’s average temperature is nearly two degrees colder than the North Dakota state average of 41.0°F. This gap highlights Griggs as a particularly chilly northern jurisdiction.
Colder and Simpler than Neighbors
Griggs is colder than Grand Forks (40.0°F) and far colder than Hettinger (43.0°F). It shares a similar precipitation profile with Grand Forks, receiving about 22.0 inches annually.
Brief Summers and Harsh Winters
The county only experiences 5 days of extreme heat above 90°F annually, with July averaging a mild 67.6°F. Winters are long and punishing, featuring a December-February average of 10.2°F.
Prioritize Winterization Above All
Extensive home insulation is vital to combat January averages of 6.7°F. Residents can expect to manage 42.2 inches of snow, requiring reliable winter vehicles and clear drainage for spring melts.
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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.