Otero County Climate
Otero County, New Mexico
Avg Annual Temp
57.8°F
Annual Precip
15.2"
Annual Snowfall
18.0"
Extreme Heat Days
69.41666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Otero County Weather
Vibrant Sun and Mountain Air
Otero County averages 57.8°F annually, making it warmer than the national median. It experiences a mix of desert and mountain climates, resulting in 15.2 inches of annual precipitation.
Warmer and Wetter Than Average
The county's 57.8°F average temperature is higher than the state average of 54.8°F. Otero also receives slightly more precipitation than the New Mexico average, totaling 15.2 inches annually.
More Diverse Than Neighboring Luna
While Otero shares a warm southern climate, its 18 inches of snow contrasts sharply with Luna County's 0.6 inches. It is also wetter than San Juan County, receiving 6 more inches of precipitation per year.
Toasty Summers and Crisp Winters
Summer temperatures average 74.5°F with 69 days of heat exceeding 90°F. Winters remain relatively mild at 40.9°F, though the county still averages 18 inches of snow.
Plan for Temperature Swings
The 69 extreme heat days require effective cooling, but residents should also keep snow shovels ready for the 18-inch winter average. Seasonal transitions can be sharp, so layered clothing is best for Otero's varied elevations.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.