Llano County Climate
Llano County, Texas
Avg 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
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.