Mesa County Climate
Mesa County, Colorado
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.1°F
Annual Precip
13.6"
Annual Snowfall
27.8"
Extreme Heat Days
52
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,012
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Mesa County
Climate Verdict
Mesa County has a mild, with an average annual temperature of 50.1°F, arid conditions receiving just 13.6 inches of precipitation annually, occasional hot days — 52.44444444444444 per year above 90°F, moderate snowfall of 27.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.9°F. summers are warm — July averages 74.5°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Mesa County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Mesa County is 4.3°F warmer than the Colorado statewide average of 45.9°F, it is somewhat drier than average for Colorado, the county experiences 25.828410178886376 more extreme heat days than the state average.
Climate Profile
About Mesa County Weather
Mesa County mirrors U.S. average temperature
At 50.1°F annually, Mesa County nearly matches the U.S. median of 50.5°F, placing it in a temperate semi-arid climate zone. The county receives 13.6 inches of precipitation annually—notably drier than the national median—making it a semi-desert environment.
Warmest Colorado county on the western slope
Mesa County's 50.1°F average runs 4.1 degrees above Colorado's state average of 46.0°F, positioning it among the state's warmest. Its location on Colorado's western slope and lower elevation explain this elevated warmth.
Warmest and driest of the west slope
Mesa County averages 50.1°F and receives just 13.6 inches of precipitation—making it drier than Larimer County (16.7 inches) and nearly equal to Logan County's warmth. It's notably warmer and drier than neighboring Mineral County (38.0°F, 15.3 inches).
Hot summers, mild winters, 52 heat days
July averages 74.5°F with 52 days reaching 90°F annually, creating intense summer heat across the season. January averages 26.9°F, and the county receives only 27.8 inches of annual snowfall—among the lowest in Colorado.
Air conditioning critical, drought management urgent
With 52 annual days hitting 90°F, robust air conditioning is essential; residents should prioritize system maintenance and efficiency. Extreme aridity (13.6 inches annual precipitation) demands aggressive water conservation, drought-resistant landscaping, and wildfire preparedness.
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.