Broomfield County Climate
Broomfield County, Colorado
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.0°F
Annual Precip
22.6"
Annual Snowfall
95.9"
Extreme Heat Days
17
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Broomfield County
Climate Verdict
Broomfield County has a cool, averaging 44.0°F annually, semi-arid conditions with only 22.6 inches of annual precipitation, rare extreme heat with only 16.939999999999998 days above 90°F annually, heavy winter snowfall averaging 95.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.0°F. summers are pleasantly cool with July averaging 64.9°F. The 38°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
Broomfield County closely matches the Colorado statewide average temperature of 45.9°F, it is also noticeably wetter, receiving 6.5 inches more precipitation than the state average.
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.