Duchesne County Climate
Duchesne County, Utah
Avg Annual Temp
45.9°F
Annual Precip
8.7"
Annual Snowfall
32.8"
Extreme Heat Days
22.075
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Duchesne County Weather
A Cold and Arid High Basin
Duchesne County is one of the coldest spots in the nation with an average annual temperature of 45.9°F. This is over seven degrees below the national median temperature.
Coldest Climate in the Region
At 45.9°F, Duchesne County is exactly three degrees colder than the Utah state average. It ranks as one of the most frigid counties in the state's northeastern quadrant.
Colder and Drier than Daggett
Duchesne County is cooler than neighboring Daggett County by 0.3 degrees. It is also significantly drier, receiving just 8.7 inches of annual precipitation compared to Daggett's 11.2 inches.
Frigid Winters and Rare Heat
January temperatures average a biting 19.6°F, and the county sees only 22 days of 90°F heat per year. Despite the cold, it only receives 32.8 inches of snow due to its very dry climate.
Prioritize Heating and Humidification
With a January average of 19.6°F, heavy-duty home heating and pipe insulation are vital. The extremely dry air, with only 8.7 inches of precipitation, makes indoor humidifiers a common necessity.
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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.