Gillespie County Climate
Gillespie County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
65.1°F
Annual Precip
30.4"
Annual Snowfall
0.1"
Extreme Heat Days
95
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,035
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Gillespie County
Climate Verdict
Gillespie County has a warm, averaging 65.1°F year-round, moderate rainfall of 30.4 inches per year, significant summer heat with 94.75 days annually above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 47.1°F. summers are hot, with July averaging 81.3°F. The 34°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Gillespie County closely matches the Texas statewide average temperature of 65.5°F.
Climate Profile
About Gillespie County Weather
Classic Hill Country temperate conditions
Gillespie County reports an annual average temperature of 65.1°F, notably higher than the U.S. median. This region bridges the gap between the humid east and the arid west.
Reflecting the heart of Texas weather
The county's 65.1°F average is almost identical to the Texas state average of 65.5°F. Its 30.4 inches of annual precipitation also closely tracks the state norm of 31.9 inches.
Balanced climate in the Edwards Plateau
Gillespie enjoys slightly cooler July averages (81.3°F) than the lower-elevation counties to the east. It is significantly drier than coastal counties but retains more moisture than its West Texas neighbors.
Hot, sunny summers and mild winters
The area endures 95 days above 90°F, contributing to a summer average of 80.5°F. Winters are mild with a 49.0°F average and only trace amounts of snow at 0.1 inches.
Sun protection and versatile HVAC needs
High-quality sun protection is necessary for the 95 days of extreme heat each year. While snow is rare, residents should be prepared for occasional winter freezes that can drop temperatures below the 47.1°F January average.
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.