Grant County Climate
Grant County, New Mexico
Avg Annual Temp
57.7°F
Annual Precip
13.8"
Annual Snowfall
3.8"
Extreme Heat Days
60.91428571428572
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Grant County Weather
A balanced high-desert climate
Grant County maintains a 57.7°F average annual temperature, placing it slightly above the national median. Its position in the high desert offers a reliable balance between extreme desert heat and alpine cold.
Moderate temperatures for New Mexico
At 57.7°F, Grant County sits roughly 3 degrees warmer than the New Mexico state average of 54.8°F. It provides a more moderate climate compared to the scorching southern lowlands or the freezing northern peaks.
Cooler than its southern neighbors
Grant is noticeably cooler than its southern neighbor Hidalgo County, which averages 61.2°F. While both areas are dry, Grant receives 13.8 inches of precipitation, slightly more than Hidalgo's 11.4 inches.
Significant heat with manageable winters
July brings a warm average of 75.8°F with 61 days of extreme heat reaching 90°F or more. Winters are manageable with a January average of 40.5°F and a modest 3.8 inches of annual snow.
Plan for seasonal temperature swings
Residents need versatile wardrobes to handle the 35-degree swing between summer highs and winter lows. Outdoor activities are best planned for mornings to avoid the two months of days that exceed 90°F.
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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.