Sierra County Climate
Sierra County, New Mexico
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
60.3°F
Annual Precip
11.0"
Annual Snowfall
3.4"
Extreme Heat Days
85
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
4,718
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Sierra County
Climate Verdict
Sierra County has a warm, averaging 60.3°F year-round, arid conditions receiving just 11.0 inches of precipitation annually, significant summer heat with 84.51666666666667 days annually above 90°F, light snow averaging 3.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 41.4°F. summers are warm — July averages 79.5°F. The 38°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Sierra County is 5.5°F warmer than the New Mexico statewide average of 54.8°F, it is somewhat drier than average for New Mexico, the county experiences 26.609811207311203 more extreme heat days than the state average.
Climate Profile
About Sierra County Weather
Hotter Than the National Average
Sierra County's 60.3°F annual temperature is significantly warmer than the national median. It receives only 11.0 inches of precipitation, well below the national average.
One of New Mexico's Warmest Spots
At 60.3°F, Sierra County is much warmer than the state average of 54.8°F. It is characterized by high heat and very little winter precipitation.
Warmer and Drier Than Neighbors
With 85 days above 90°F, Sierra is hotter than Socorro to the north. It receives only 3.4 inches of snow, which is less than half of what Socorro experiences.
Intense Summer Heat and Minimal Snow
July averages a hot 79.5°F, contributing to 85 extreme heat days each year. Winters remain mild compared to the rest of the state, with an average of 42.7°F.
Prioritize Cooling and Sun Protection
High-efficiency air conditioning is a necessity to survive 85 days above 90°F. Residents can skip the heavy winter gear, as the county only sees 3.4 inches of snow.
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.