Hays County Climate
Hays County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
68.0°F
Annual Precip
36.5"
Annual Snowfall
0.1"
Extreme Heat Days
111
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,909
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Hays County
Climate Verdict
Hays County has a warm, averaging 68.0°F year-round, moderate rainfall of 36.5 inches per year, significant summer heat with 111.4 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 50.2°F. summers are hot, with July averaging 83.8°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
Hays County closely matches the Texas statewide average temperature of 65.5°F, it is somewhat wetter than average for Texas.
Climate Profile
About Hays County Weather
Hot Central Texas Corridor
Hays County averages 68.0°F, placing it well above the national median temperature. It receives 36.5 inches of rain, typical for the Texas Hill Country.
Warmer and Wetter Than Average
The county stays warmer than the state average of 65.5°F. Its 36.5 inches of rain also sits slightly above the statewide average of 31.9 inches.
Typical Hill Country Weather
Hays is warmer than Haskell County and experiences similar extreme heat. It shares the flash-flood potential common to Central Texas neighbors.
Long Summers and Rare Snow
The county faces 111 days of extreme heat, with summer averages reaching 83.2°F. Winters are mild at 52.0°F with only trace amounts of snow.
Beating the 111-Day Heat
Prepare for over 100 days of 90°F temperatures with serviced HVAC units and shaded outdoor spaces. Use water-wise gardening to manage the 36.5 inches of rain.
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.