Brazoria County Climate
Brazoria County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
70.7°F
Annual Precip
51.5"
Annual Snowfall
0.0"
Extreme Heat Days
88
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9b
Minimum winter temperature range for plant survival
7,702
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Brazoria County
Climate Verdict
Brazoria County has a warm, averaging 70.7°F year-round, moderately wet with 51.5 inches of annual precipitation, significant summer heat with 87.66 days annually above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 54.9°F. summers are hot, with July averaging 83.9°F. The climate is remarkably stable year-round, with only a 29°F difference between January and July. 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
Brazoria County is 5.2°F warmer than the Texas statewide average of 65.5°F, it is also noticeably wetter, receiving 19.6 inches more precipitation than the state average, the county experiences 17.181873382675818 fewer extreme heat days than the state average.
Climate Profile
About Brazoria County Weather
Subtropical Warmth on the Gulf Coast
Brazoria County's average temperature of 70.7°F is significantly higher than the national median, reflecting its coastal position. The 51.5 inches of annual precipitation puts it among the rainiest regions in the entire United States.
Hotter and Rainier than Inland Texas
The county is over 5 degrees warmer than the Texas state average of 65.5°F. It also receives nearly 20 inches more rainfall than the state norm, driven by heavy Gulf moisture and seasonal storms.
Milder Extremes than Inland Neighbors
While Brazoria is very warm, its 88 extreme heat days are fewer than Brazos County's 117. The Gulf proximity provides a moderating effect on peak temperatures, though it keeps humidity levels consistently high.
Endless Summer and Snow-Free Winters
The winter average stays a mild 56.9°F, and snowfall is practically unheard of at 0.0 inches. July averages 83.9°F, and the county faces 88 days of extreme heat annually.
Prepare for Water and Warmth
Hurricane and flood preparedness are essential given the 51.5 inches of rain and coastal location. Lightweight, breathable fabrics are the standard for a climate where snow is never a concern.
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.