Washington County Climate
Washington County, Texas
Avg Annual Temp
68.0°F
Annual Precip
46.1"
Annual Snowfall
0.0"
Extreme Heat Days
114.65
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Washington County Weather
A Warm and Humid Environment
Washington County maintains a 68.0°F average annual temperature, placing it well above the national median. Its 46.1 inches of annual precipitation makes it much wetter than the average American county.
Warmer and Wetter Than Average
At 68.0°F, Washington County is notably warmer than the Texas state average of 65.5°F. It also receives 46.1 inches of rain, far exceeding the 31.9-inch state average.
Gulf Influences in Central Texas
The county is significantly more humid than the arid plains of West Texas. With 46.1 inches of rain, it experiences a lush, green landscape that distinguishes it from its drier neighbors to the west.
Long Summers and Snowless Winters
The area sees 115 extreme heat days annually, with July temperatures averaging a hot 83.8°F. Winters are very mild at 51.9°F on average, and the county typically sees zero snowfall.
Gear Up for Rain and Humidity
Residents should invest in high-quality rain gear to handle the 46.1 inches of annual precipitation. Efficient cooling and dehumidification are also vital for staying comfortable during the 115 days of extreme heat.
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.