Cavalier County Climate
Cavalier County, North Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
37.1°F
Annual Precip
20.8"
Annual Snowfall
47.3"
Extreme Heat Days
3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
3b
Minimum winter temperature range for plant survival
1,749
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cavalier County
Climate Verdict
Cavalier County has a cold, with an average annual temperature of 37.1°F, semi-arid conditions with only 20.8 inches of annual precipitation, rare extreme heat with only 2.8 days above 90°F annually, moderate snowfall of 47.3 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are severe, with January averaging a frigid 3.7°F. summers are pleasantly cool with July averaging 66.2°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
Cavalier County is 3.8°F cooler than the North Dakota statewide average of 40.9°F.
Climate Profile
About Cavalier County Weather
One of the Nation's Coldest Spots
Cavalier County averages a chilly 37.1°F, nearly 18 degrees below the national median temperature. It represents one of the coldest inhabited environments in the lower 48 states.
Well Below the State Average
The county's 37.1°F average is nearly four degrees colder than the North Dakota state average of 41.0°F. Its annual precipitation of 20.8 inches is slightly higher than the state norm of 19.5 inches.
Colder and Snowier Than Cass
Cavalier is significantly colder than Cass County, with a January average that is nearly 5 degrees lower. It also deals with more snow, averaging 47.3 inches every year.
Short Summers and Intense Winters
Summers are mild with only 3 extreme heat days, but winters are brutal with a December-February average of 7.2°F. January is the toughest month, averaging a mere 3.7°F.
Winterize for Severe Cold
Extreme cold-weather gear is a necessity for the frigid 3.7°F January nights. Homeowners must also prepare for significant snow drifting given the 47.3-inch 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.