Llano County Climate
Llano County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
67.1°F
Annual Precip
29.1"
Annual Snowfall
0.2"
Extreme Heat Days
120
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,680
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Llano County
Climate Verdict
Llano County has a warm, averaging 67.1°F year-round, moderate rainfall of 29.1 inches per year, extreme heat exposure with 120 days per year above 90°F, light snow averaging 0.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 47.9°F. summers are hot, with July averaging 84.5°F. The 37°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
Llano County closely matches the Texas statewide average temperature of 65.5°F, it is somewhat drier than average for Texas, the county experiences 15.158126617324186 more extreme heat days than the state average.
Climate Profile
About Llano County Weather
Heart of the Hill Country Heat
Llano County maintains an annual average temperature of 67.1°F, placing it well above the national average for warmth. The local climate features a mix of humid subtropical influences and semi-arid conditions.
Exceeding the Texas Average
The county's 67.1°F average temperature sits nearly 2 degrees higher than the Texas state average of 65.5°F. It experiences more intense summer heat than the state median, despite its central location.
A Local Hot Spot
Llano's July average of 84.5°F makes it slightly warmer during the summer than neighboring Gillespie County. Its annual precipitation of 29.1 inches is close to the state average of 31.9 inches, supporting the local granite-and-scrub ecosystem.
Scorching Summers and Brief Winters
The area endures 120 days of temperatures at or above 90°F, concentrated mostly during the 83.6°F summer season. Winters are mild and dry, with a January average of 47.9°F and only 0.2 inches of annual snowfall.
Prepare for High UV and Heat
Outdoor activities should be planned for early morning to avoid the 120 annual days of extreme heat. Residents should also invest in reflective roofing or shade structures to mitigate the intense 84.5°F July sun.
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.