Salt Lake County Climate
Salt Lake County, Utah
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.2°F
Annual Precip
26.8"
Annual Snowfall
129.6"
Extreme Heat Days
40
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
2,923
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Salt Lake County
Climate Verdict
Salt Lake County has a mild, with an average annual temperature of 50.2°F, moderate rainfall of 26.8 inches per year, occasional hot days — 40.269999999999996 per year above 90°F, heavy winter snowfall averaging 129.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.2°F. summers are warm — July averages 74.6°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Salt Lake County closely matches the Utah statewide average temperature of 48.9°F, it is also noticeably wetter, receiving 13.0 inches more precipitation than the state average.
Climate Profile
About Salt Lake County Weather
Mountain-Influenced Valley Weather
Salt Lake County averages 50.2°F annually, trending slightly cooler than the national median. Its position between the Great Salt Lake and the Wasatch Range creates a unique and dynamic mountain-influenced climate.
Warmer and Wetter Than Average
At 50.2°F, the county is warmer than the Utah state average of 48.9°F. It balances significant snowfall with hot summer peaks that define the region's urban corridor.
Milder Than the High Peaks
Compared to neighboring Summit County's 44.1°F, Salt Lake is significantly milder. However, it receives 26.8 inches of annual precipitation, making it much wetter than dry Tooele County to the west.
Massive Snow and Summer Heat
The area experiences intense extremes, from 129.6 inches of snow in winter to 40 days of heat over 90°F in summer. July highs average 74.6°F, while January averages settle at 29.2°F.
Prepare for All Extremes
Dual-mode infrastructure is required here, including robust air conditioning for 40 extreme heat days and serious snow gear for the massive 129-inch snowfall. Homeowners should focus on attic insulation and efficient irrigation for dry summer spells.
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.