Otero County Climate
Otero County, Colorado
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.5°F
Annual Precip
12.9"
Annual Snowfall
23.2"
Extreme Heat Days
79
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,609
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Otero County
Climate Verdict
Otero County has a mild, with an average annual temperature of 53.5°F, arid conditions receiving just 12.9 inches of precipitation annually, significant summer heat with 79.3 days annually above 90°F, moderate snowfall of 23.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 31.2°F. summers are warm — July averages 77.5°F. The 46°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Otero County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Otero County is 7.6°F warmer than the Colorado statewide average of 45.9°F, it is somewhat drier than average for Colorado, the county experiences 52.68396573444193 more extreme heat days than the state average.
Climate Profile
About Otero County Weather
Otero is Colorado's hottest, driest county
At 53.5°F annually, Otero County runs 6.0°F warmer than the U.S. median of 47.5°F, marking it as distinctly hot for Colorado. Its 12.9 inches of annual precipitation rank it among America's driest counties, creating a harsh high-desert climate.
Hottest county in Colorado by far
Otero's 53.5°F average ranks it the warmest county in Colorado, a full 7.5°F above the state average of 46.0°F. No other Colorado county approaches its extreme heat profile, placing it in a climate class of its own.
Dramatically hotter than all regional peers
Otero (53.5°F) towers 5.3°F above Morgan County (49.0°F) to its north and 9.0°F above Ouray County (44.5°F) to its west. Its southeastern plains position creates a uniquely hostile climate within Colorado's otherwise moderate network.
Punishing heat, rare snow, perpetual dryness
Otero experiences 79 days of 90°F-plus heat annually—nearly triple Morgan County's total—with summer averages of 75.1°F. Winter highs barely dip below freezing at 32.4°F average, and just 23.2 inches of annual snowfall leaves the landscape exposed to intense summer radiation year-round.
Industrial-grade cooling and water conservation
With 79 extreme heat days and only 13 inches of rain yearly, residents need commercial-strength air conditioning and aggressive water conservation strategies. Drought-resistant xeriscaping is non-negotiable; outdoor activities require dawn or dusk timing, and reflective roofing or cooling systems become cost-saving priorities.
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.