Nelson County Climate
Nelson County, North Dakota
Avg Annual Temp
38.6°F
Annual Precip
20.2"
Annual Snowfall
42.5"
Extreme Heat Days
5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Nelson County Weather
Extreme Northern Cold Patterns
Nelson County's 38.6°F average annual temperature is one of the lowest in the country. This reflects an environment with very short growing seasons and intense winters.
One of the Coldest in ND
Nelson is significantly colder than the state average of 41.0°F. Its precipitation of 20.2 inches is slightly higher than the state's 19.5-inch average.
Fewer Hot Days than Neighbors
With only 5 days over 90°F, Nelson is much cooler in summer than Morton's 19 days. It is one of the mildest summer counties in the entire region.
A Challenging Winter Average
January is exceptionally cold here, averaging only 4.8°F. While the county sees 42.5 inches of snow, the summer average is a comfortable 66.2°F.
Plan for Sustained Freezing Temps
Winter safety is paramount when January averages stay below 5°F. Outdoor summer events rarely need heat contingency plans due to the low frequency of extreme heat.
Frequently Asked Questions
What is the average temperature in Nelson County?
How much rain does Nelson County get?
Does it snow in Nelson County?
How hot does Nelson County get in summer?
How cold are winters in Nelson County?
Track your own weather in Nelson 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.