Iron County Climate

Iron County, Utah

JanFebMarAprMayJunJulAugSepOctNovDec46.4°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.0"
1.3"
1.4"
1.2"
1.1"
0.5"
1.3"
1.1"
0.9"
1.4"
1.0"
1.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring37°51°3.8"Summer62°69°2.8"Fall36°59°3.3"Winter27°31°3.5"20°40°60°80°100°

National Comparison

Warmer than 18% of US counties
Wetter than 5% of US counties
More seasonal variation than 35% of US counties

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

What is the average temperature in Iron County?
The average annual temperature in Iron County, UT is 46.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Iron County get?
Iron County receives an average of 13.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Iron County?
Yes, Iron County receives an average of 57.2 inches of snowfall per year according to NOAA climate normals.
How hot does Iron County get in summer?
The average summer temperature (June-August) in Iron County is 65.8°F. The county experiences an average of 26.842857142857145 days per year above 90°F.
How cold are winters in Iron County?
The average winter temperature (December-February) in Iron County is 28.8°F. January, typically the coldest month, averages 28.2°F.

Track your own weather in Iron County

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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.

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