Weld County Climate
Weld County, Colorado
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.6°F
Annual Precip
14.9"
Annual Snowfall
31.2"
Extreme Heat Days
39
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,613
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Weld County
Climate Verdict
Weld County has a cool, averaging 48.6°F annually, arid conditions receiving just 14.9 inches of precipitation annually, occasional hot days — 39.279999999999994 per year above 90°F, moderate snowfall of 31.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.9°F. summers are warm — July averages 72.7°F. The 45°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Weld County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Weld County closely matches the Colorado statewide average temperature of 45.9°F.
Climate Profile
About Weld County Weather
Weld's temperature hits national average
Weld County averages 48.6°F annually, just 1.6°F below the U.S. median of 47°F, placing it squarely in temperate continental climate. At 14.9 inches of annual precipitation, Weld runs drier than the national average of 16.5 inches, reflecting its location on Colorado's semi-arid plains.
Slightly warmer than Colorado overall
Weld's 48.6°F average edges 2.6°F above Colorado's state mean of 46.0°F, reflecting its plains elevation and southern exposure. The county ranks among Colorado's warmer regions, though cooler than the state's true hot spots.
Coolest of the three plains counties
Weld's 48.6°F ranks slightly cooler than neighboring Sedgwick (49.8°F) and Washington (49.8°F), yet warmer than mountainous regions to the west. All three share similar extreme heat patterns, with Weld logging 39 heat days—fewer than its neighbors—due to slightly lower summer averages.
Warm summers, cold winters, light snow
July temperatures reach 72.7°F while January drops to 27.9°F, a 45-degree swing typical of plains climate. Weld records 31.2 inches of snow annually and 39 days above 90°F, making it the driest and least extreme of Weld's region.
Cooling recommended, moderate winter prep needed
With 39 days of 90°F+ heat and lower annual precipitation (14.9 inches), Weld residents benefit from air conditioning and dust mitigation during dry seasons. Winter snow of 31 inches is manageable with standard equipment, and the county's relative moderation makes it less climatically demanding than neighbors.
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.