Blanco County Climate
Blanco County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
66.3°F
Annual Precip
33.0"
Annual Snowfall
0.1"
Extreme Heat Days
103
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,378
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Blanco County
Climate Verdict
Blanco County has a warm, averaging 66.3°F year-round, moderate rainfall of 33.0 inches per year, significant summer heat with 103.45 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 48.1°F. summers are hot, with July averaging 82.6°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
Blanco County closely matches the Texas statewide average temperature of 65.5°F.
Climate Profile
About Blanco County Weather
Temperate but distinctly southern warmth
Blanco County averages 66.3°F annually, which is about 12 degrees warmer than the national median. This reflects a climate dominated by long, warm seasons.
Consistent with Texas state averages
The county's 66.3°F average temperature is nearly identical to the Texas state average of 65.5°F. It experiences the standard heat and mild winters expected in the region.
Slightly wetter than state norms
Blanco receives 33.0 inches of precipitation annually, just above the state average of 31.9 inches. This helps maintain the scenic Hill Country landscapes that define the area.
Over 100 days of heat
Summer temperatures average 81.8°F, including 103 days that reach 90°F or higher. Winters are mild with a 49.9°F average and negligible snowfall of 0.1 inches.
Focus on summer sun protection
Plan for 103 days of extreme heat by installing solar shades or planting trees. Keep a light jacket for January's 48.1°F average, but leave the heavy snow gear behind.
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.