Lea County Climate
Lea County, New Mexico
Avg Annual Temp
61.4°F
Annual Precip
14.2"
Annual Snowfall
3.7"
Extreme Heat Days
101.88333333333334
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lea County Weather
Warmth on the Llano Estacado
Lea County averages 61.4°F annually, placing it well above the national median temperature. Its location on the high plains creates a semi-arid climate with intense sun exposure.
High ranking state heat
Lea is nearly 7 degrees warmer than the New Mexico average of 54.8°F, ranking it among the state's most consistently hot counties. The regional weather is influenced heavily by its proximity to the Texas Panhandle.
A sister climate to Eddy
Lea averages 14.2 inches of rain, slightly more than its neighbor Eddy County at 12.8 inches. While both are hot, Lea experiences slightly fewer extreme heat days at 102 compared to Eddy's 109.
A hundred days of heat
The county endures 102 days of heat reaching at least 90°F, with a July average of 80.0°F. Winters are short and mild, with a January average of 41.6°F and only 3.7 inches of snow.
Manage the extreme summer peak
Cooling systems are the primary utility concern given the three months of extreme heat. Residents should prepare for occasional dusty winds, as the 14.2 inches of rain does little to suppress dry soil.
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.