2025 Compare Climate & Weather:
Brentwood, TN vs San Antonio, TX

Highlights

On average, there are 220 sunny days per year in San Antonio. Brentwood averages 210 sunny days per year. The US average is 205 sunny days.

San Antonio, Texas gets 32.8 inches of rain, on average, per year. Brentwood, Tennessee gets 52.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Antonio averages 0.2 inches of snow per year. Brentwood averages 3.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Antonio, Texas
Summer High: the July high is around 94.2 degrees
Winter Low: the January low is 40.5
Rain: averages 32.8 inches of rain a year
Snow: averages 0.2 inches of snow a year

Brentwood, Tennessee
Summer High: the July high is around 89.1 degrees
Winter Low: the January low is 26.1
Rain: averages 52.9 inches of rain a year
Snow: averages 3.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Antonio is 7.0 (10=best), which means it is about average compared to other places in Texas.

The annual BestPlaces Comfort Index for Brentwood is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

Today's Weather - Brentwood, TN

67°F

Today's Weather - San Antonio, TX

78°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Brentwood / San Antonio

July is the hottest month for Brentwood with an average high temperature of 89.1°, which ranks it as warmer than most places in Tennessee. In Brentwood, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Brentwood are May, September and October.

August is the hottest month for San Antonio with an average high temperature of 95.7°, which ranks it as warmer than most places in Texas. In San Antonio, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Antonio are April, October and March.

January has the coldest nighttime temperatures for Brentwood with an average of 26.1°. This is about average compared to other places in Tennessee.

January has the coldest nighttime temperatures for San Antonio with an average of 40.5°. This is warmer than most places in Texas.

In Brentwood, there are 38.6 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

In San Antonio, there are 105.8 days annually when the high temperature is over 90°, which is hotter than most places in Texas.

In Brentwood, there are 90.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In San Antonio, there are 16.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

In Brentwood, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Tennessee.

In San Antonio, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

May is the wettest month in Brentwood with 6.1 inches of rain, and the driest month is August with 3.5 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 52.9 inches in Brentwood means that it is drier than most places in Tennessee.


October is the wettest month in San Antonio with 4.2 inches of rain, and the driest month is January with 1.9 inches. The wettest season is Winter with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 32.8 inches in San Antonio means that it is about average compared to other places in Texas.

May is the rainiest month in Brentwood with 12.0 days of rain, and September is the driest month with only 7.9 rainy days. There are 119.8 rainy days annually in Brentwood, which is rainier than most places in Tennessee. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

March is the rainiest month in San Antonio with 9.0 days of rain, and August is the driest month with only 4.5 rainy days. There are 82.5 rainy days annually in San Antonio, which is rainier than most places in Texas. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 3.6 inches in Brentwood means that it is about average compared to other places in Tennessee.

An annual snowfall of 0.2 inches in San Antonio means that it is about average compared to other places in Texas.

January is the snowiest month in Brentwood with 1.6 inches of snow, and 2 months of the year have significant snowfall.

January is the snowiest month in San Antonio with 0.2 inches of snow, and no months of the year have significant snowfall.