weatherbycounty

Brazos County Climate

JanFebMarAprMayJunJulAugSepOctNovDec69.4°AVG °F

Avg Annual Temp

69.4°F

Annual Precip

41.8"

Annual Snowfall

Extreme Heat Days

117

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
3.4"
2.9"
3.4"
2.9"
4.6"
4.0"
2.0"
3.1"
3.5"
4.9"
3.3"
3.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

9a

Minimum winter temperature range for plant survival

Growing Degree Days

7,355

Excellent for heat-loving crops

Last spring frost (32°F): 02/27
First fall frost (32°F): 11/30

Seasonal Overview

Comfort ZoneSpring62°76°10.9"Summer83°86°9.1"Fall60°81°11.7"Winter52°55°10.0"20°40°60°80°100°

National Comparison

Warmer than 97% of US counties
Wetter than 50% of US counties
More seasonal variation than 12% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Brazos County

Climate Verdict

Brazos County has a warm, averaging 69.4°F year-round, moderately wet with 41.8 inches of annual precipitation, significant summer heat with 116.7 days annually above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 51.5°F. summers are hot, with July averaging 85.1°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

Brazos County is 3.9°F warmer than the Texas statewide average of 65.5°F, it is also noticeably wetter, receiving 9.9 inches more precipitation than the state average.

Climate Profile

About Brazos County Weather

A Classic Southern Heat Profile

Brazos County is substantially warmer than the national median, with an annual average temperature of 69.4°F. Its 41.8 inches of annual rain also exceeds the national typical precipitation level.

Ranking High for Texas Heat

At 69.4°F, Brazos County is nearly 4 degrees warmer than the Texas average. It experiences 117 days of extreme heat over 90°F, surpassing the state's central and northern averages.

Warmer and Sunnier than the Coast

Brazos County sees about 30 more extreme heat days than coastal Brazoria County. While it receives a healthy 41.8 inches of rain, it lacks the ocean-moderated breeze found closer to the Gulf.

Scorching Summers and Comfortable Winters

Summer averages 84.5°F, peaking in July at 85.1°F with frequent triple-digit afternoons. Winters are pleasant with a 53.3°F average, and snowfall data remains largely unavailable, indicating it is a rare event.

Optimize for Extreme Summer Cooling

Energy efficient cooling systems are a priority to combat 117 days of 90°F+ weather. Residents should plan outdoor activities for early morning or late evening during the long summer stretch.

Frequently Asked Questions

What is the average temperature in Brazos County?
The average annual temperature in Brazos County, TX is 69.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Brazos County get?
Brazos County receives an average of 41.8 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Brazos County get in summer?
The average summer temperature (June-August) in Brazos County is 84.5°F. The county experiences an average of 117 days per year above 90°F.
How cold are winters in Brazos County?
The average winter temperature (December-February) in Brazos County is 53.3°F. January, typically the coldest month, averages 51.5°F.

Track your own weather in Brazos County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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