Sevier County Climate
Sevier County, Utah
Avg Annual Temp
46.2°F
Annual Precip
10.8"
Annual Snowfall
44.0"
Extreme Heat Days
24.55
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.