Iron County Climate
Iron County, Utah
Avg Annual Temp
46.4°F
Annual Precip
13.3"
Annual Snowfall
57.2"
Extreme Heat Days
26.842857142857145
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Iron County Weather
Cool Mountain Air in Iron County
Iron County maintains an average annual temperature of 46.4°F, falling nearly seven degrees below the national median of 53°F. This high-altitude climate ensures cooler conditions than many other interior western counties.
Consistently Cooler Than the Utah Average
The county's 46.4°F average temperature is lower than the Utah state average of 48.9°F. While parts of Utah face extreme desert heat, Iron County stays moderated by its elevation and 57.2 inches of annual snow.
Snowier Than Its Eastern Neighbors
Iron County receives 57.2 inches of snow annually, significantly outpacing neighboring Garfield's 48.2 inches. It also remains cooler than Kane County, which averages 54.0°F per year.
Deep Snow and Crisp Summers
Winters are dominated by 57.2 inches of snowfall and an average December-February temperature of 28.8°F. Summers remain pleasant, with only 27 days reaching 90°F and a July average of 68.7°F.
Gear Up for Serious Snow
Reliable snow removal equipment and winterized home insulation are vital for managing the heavy annual snowfall. Residents can enjoy mild summers, but should be prepared for cold nights even in the warmer months.
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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.