Fort Bend County Climate
Fort Bend County, Texas
Avg Annual Temp
70.4°F
Annual Precip
51.1"
Annual Snowfall
0.0"
Extreme Heat Days
116.83333333333331
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Fort Bend County Weather
Subtropical Coastal Heat
Fort Bend County is remarkably warm with an average annual temperature of 70.4°F, far exceeding the national median. This climate is defined by high humidity and heavy rainfall, common for the Gulf Coast region.
Wetter and Warmer than Texas
The county is significantly wetter than the Texas average, receiving 51.1 inches of rain compared to the state's 31.9-inch benchmark. Its average temperature of 70.4°F is also nearly 5 degrees warmer than the state average.
Sharing the Houston Humidity
Fort Bend mirrors the climate of neighboring Harris and Brazoria counties, characterized by lush vegetation and frequent rain. It is slightly more prone to heavy rain events than counties further inland to the west.
Intense Summers and Tropical Rains
The county endures 117 days per year where temperatures hit at least 90°F, often paired with high humidity. Snow is non-existent, and winters remain very mild with an average temperature of 55.8°F.
Focus on Moisture and Heat
Dehumidifiers and powerful cooling systems are essential for managing the 117 days of extreme heat and coastal humidity. High-quality rain gutters and drainage systems are necessary to handle the heavy 51.1-inch annual rainfall.
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.