Duchesne County Climate
Duchesne County, Utah
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.9°F
Annual Precip
8.7"
Annual Snowfall
32.8"
Extreme Heat Days
22
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,272
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Duchesne County
Climate Verdict
Duchesne County has a cool, averaging 45.9°F annually, arid conditions receiving just 8.7 inches of precipitation annually, occasional hot days — 22.075 per year above 90°F, moderate snowfall of 32.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 19.6°F. summers are warm — July averages 70.9°F. Residents experience a substantial 51°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Duchesne County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Duchesne County closely matches the Utah statewide average temperature of 48.9°F, it is somewhat drier than average for Utah, the county experiences 20.943718092252563 fewer extreme heat days than the state average.
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.
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.