Comal County Climate
Comal County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
67.6°F
Annual Precip
35.0"
Annual Snowfall
0.1"
Extreme Heat Days
110
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9a
Minimum winter temperature range for plant survival
6,768
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Comal County
Climate Verdict
Comal County has a warm, averaging 67.6°F year-round, moderate rainfall of 35.0 inches per year, significant summer heat with 109.9 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 49.8°F. summers are hot, with July averaging 83.1°F. The 33°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
Comal County closely matches the Texas statewide average temperature of 65.5°F, it is somewhat wetter than average for Texas.
Climate Profile
About Comal County Weather
The warmth of the Hill Country
Comal County averages 67.6°F, placing it well above the national median temperature. Located at the edge of the Hill Country, it balances this heat with 35.0 inches of annual rain.
Slightly warmer than state average
The county’s average temperature of 67.6°F exceeds the Texas average of 65.5°F. Its precipitation is also slightly higher than the state average, making it greener than counties to the west.
Middle ground in Central Texas
Comal is warmer and wetter than Concho County, which sits further inland and averages only 64.9°F. However, it is slightly cooler than the deep coastal plains found in Colorado County.
Mild winters and 110 heat days
July averages 83.1°F, part of a long warm season featuring 110 days above 90°F. Winters are very mild with a January average of 49.8°F and almost no measurable snow at 0.1 inches.
Gear up for outdoor heat
Outdoor activities are best planned for mornings to avoid the 110 days of extreme heat. With very little snow, winter gear is rarely needed, but sun protection is a year-round essential.
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.