Gregg County Climate
Gregg County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
66.0°F
Annual Precip
48.0"
Annual Snowfall
0.8"
Extreme Heat Days
103
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,376
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Gregg County
Climate Verdict
Gregg County has a warm, averaging 66.0°F year-round, moderately wet with 48.0 inches of annual precipitation, significant summer heat with 103.03333333333335 days annually above 90°F, light snow averaging 0.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 47.0°F. summers are hot, with July averaging 83.8°F. The 37°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Gregg County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably wetter, receiving 16.1 inches more precipitation than the state average.
Climate Profile
About Gregg County Weather
A warm and humid East Texas climate
Gregg County maintains an annual average temperature of 66.0°F, significantly higher than the national median. This humid subtropical environment supports lush vegetation but requires frequent cooling during most months.
Gregg County sits above state averages
The county's average temperature of 66.0°F is slightly warmer than the Texas state average of 65.5°F. It is also much wetter than the state typical, receiving 48.0 inches of annual precipitation compared to the 31.9-inch state average.
Wet and mild compared to western peers
While neighboring counties share similar heat profiles, Gregg's 48.0 inches of rain makes it one of the dampest regions in East Texas. The local winter average of 48.8°F keeps the ground mostly frost-free compared to counties just to the north.
Sweltering summers and minimal snow
Residents experience 103 extreme heat days per year where temperatures reach or exceed 90°F. Winter is mild with only 0.8 inches of annual snowfall, while the July average peaks at a humid 83.8°F.
Prepare for humidity and consistent heat
Robust HVAC systems are essential to manage 103 days of intense heat and high humidity levels. Residents should also plan for heavy rainfall throughout the year, as the 48-inch annual precipitation total often leads to wet conditions.
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.