Grant County Climate
Grant County, New Mexico
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.7°F
Annual Precip
13.8"
Annual Snowfall
3.8"
Extreme Heat Days
61
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
3,854
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Grant County
Climate Verdict
Grant County has a mild, with an average annual temperature of 57.7°F, arid conditions receiving just 13.8 inches of precipitation annually, significant summer heat with 60.91428571428572 days annually above 90°F, light snow averaging 3.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 40.5°F. summers are warm — July averages 75.8°F. The 35°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Grant County closely matches the New Mexico statewide average temperature of 54.8°F.
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.
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.