Washington County Climate
Washington County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
68.0°F
Annual Precip
46.1"
Annual Snowfall
0.0"
Extreme Heat Days
115
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9a
Minimum winter temperature range for plant survival
6,916
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Washington County
Climate Verdict
Washington County has a warm, averaging 68.0°F year-round, moderately wet with 46.1 inches of annual precipitation, significant summer heat with 114.65 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 50.0°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
Washington County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably wetter, receiving 14.2 inches more precipitation than the state average.
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 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.