Iron County Climate
Iron County, Utah
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.4°F
Annual Precip
13.3"
Annual Snowfall
57.2"
Extreme Heat Days
27
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,071
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Iron County
Climate Verdict
Iron County has a cool, averaging 46.4°F annually, arid conditions receiving just 13.3 inches of precipitation annually, occasional hot days — 26.842857142857145 per year above 90°F, moderate snowfall of 57.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 28.2°F. summers are pleasantly cool with July averaging 68.7°F. The 41°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
Iron County closely matches the Utah statewide average temperature of 48.9°F, the county experiences 16.175860949395418 fewer extreme heat days than the state average.
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.
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.