Tooele County Climate
Tooele County, Utah
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.8°F
Annual Precip
10.4"
Annual Snowfall
43.0"
Extreme Heat Days
63
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,047
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Tooele County
Climate Verdict
Tooele County has a mild, with an average annual temperature of 50.8°F, arid conditions receiving just 10.4 inches of precipitation annually, significant summer heat with 62.587500000000006 days annually above 90°F, moderate snowfall of 43.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 28.4°F. summers are warm — July averages 76.7°F. The 48°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
Tooele County closely matches the Utah statewide average temperature of 48.9°F, it is somewhat drier than average for Utah, the county experiences 19.568781907747443 more extreme heat days than the state average.
Climate Profile
About Tooele County Weather
Arid Great Basin Basin Life
Tooele County’s annual average of 50.8°F is slightly cooler than the national median but representative of the Great Basin. Its climate is defined by wide open salt flats and arid valleys.
Hotter and Drier Than Utah
Tooele is warmer than the Utah state average of 48.9°F. However, it is much drier, receiving only 10.4 inches of precipitation compared to the state’s 13.7 inches.
Hottest Summers in the Region
Tooele is significantly hotter than neighboring Salt Lake County, recording 63 days of extreme heat compared to Salt Lake's 40. It is also much drier, with less than half the annual snowfall of its eastern neighbor.
Intense Heat and Dry Winters
Summer is the dominant season here, featuring 63 days with temperatures at or above 90°F. Winters are relatively mild for the region, with 43 inches of snow and a January average of 28.4°F.
Cooling and Dust Control
Air conditioning and heat-safety planning are essential to manage the 63 days of extreme heat. Residents should also focus on dust control and low-water landscaping to accommodate the arid 10.4-inch annual rainfall.
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.