Sevier County Climate
Sevier County, Utah
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.2°F
Annual Precip
10.8"
Annual Snowfall
44.0"
Extreme Heat Days
25
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
1,961
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Sevier County
Climate Verdict
Sevier County has a cool, averaging 46.2°F annually, arid conditions receiving just 10.8 inches of precipitation annually, occasional hot days — 24.55 per year above 90°F, moderate snowfall of 44.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.4°F. summers are pleasantly cool with July averaging 68.8°F. The 42°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Sevier County closely matches the Utah statewide average temperature of 48.9°F, it is somewhat drier than average for Utah, the county experiences 18.468718092252562 fewer extreme heat days than the state average.
Climate Profile
About Sevier County Weather
Cool and Arid High Desert
With an annual average temperature of 46.2°F, Sevier County is notably cooler than the national median. This reflects its rugged terrain and high-desert mountainous borders.
Drier Than State Averages
The county averages nearly three degrees cooler than the Utah state average of 48.9°F. It is also drier than the state as a whole, receiving only 10.8 inches of precipitation per year.
Cooler Northern Neighbor Comparison
Sevier is cooler than neighbor Sanpete to the north and much drier than mountain-heavy counties to the east. It experiences 25 days of extreme heat, which is fewer than Sanpete’s 33 days.
Moderate Summers, Chilly Winters
Summer days are moderate with a July average of 68.8°F, though 25 days still peak above 90°F. Winters are chilly, averaging 27.6°F from December through February with 44 inches of snow.
Heat and Water Management
Efficient home heating is vital for the sub-30°F winter months. Given the low 10.8 inches of annual precipitation, water conservation measures are important for local landscaping and gardening.
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.