Adams County Climate
Adams County, North Dakota
Avg Annual Temp
42.6°F
Annual Precip
16.1"
Annual Snowfall
33.3"
Extreme Heat Days
25.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Adams County Weather
Adams County Trails National Temperature Medians
Adams County averages 42.6°F annually, reflecting a cold humid continental climate that sits significantly below the national median. This temperature profile places the region among the cooler inhabited zones in the United States.
A Warmer Pocket in North Dakota
Despite its national standing, Adams County is warmer than the North Dakota state average of 41.0°F. Its location in the southern tier helps it maintain one of the milder temperature ranks in the state.
Dry Conditions Compared to the State
The county receives just 16.1 inches of annual precipitation, which is drier than the state average of 19.5 inches. This semi-arid influence distinguishes it from the wetter eastern North Dakota counties.
Scorching Summers and Snow-Swept Winters
The county experiences 26 extreme heat days above 90°F, paired with a significant 33.3 inches of annual snowfall. January temperatures drop to a frigid average of 16.5°F, highlighting a massive seasonal swing.
Prepare for Wide Temperature Extremes
Residents must maintain high-efficiency HVAC systems to handle both the frequent summer heat and the 18.7°F winter average. Proper insulation and moisture-retaining landscaping are essential for this drier climate.
Frequently Asked Questions
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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.