2025 Compare Climate & Weather:
Harlingen, TX vs San Antonio, TX

Highlights

On average, there are 220 sunny days per year in San Antonio. Harlingen averages 229 sunny days per year. The US average is 205 sunny days.

San Antonio, Texas gets 32.8 inches of rain, on average, per year. Harlingen, Texas gets 25.9 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. Harlingen averages 0.1 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

Harlingen, Texas
Summer High: the July high is around 95.1 degrees
Winter Low: the January low is 49.4
Rain: averages 25.9 inches of rain a year
Snow: averages 0.1 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 Harlingen is 6.3 (10=best), which means it is one of the least comfortable places in Texas.

Today's Weather - Harlingen, TX

76°F

Today's Weather - San Antonio, TX

77°F

Average Monthly High / Low (°F)

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

August is the hottest month for Harlingen with an average high temperature of 96.0°, which ranks it as warmer than most places in Texas. In Harlingen, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Harlingen are November, March and February.

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 Harlingen with an average of 49.4°. This is one of the warmest places in Texas.

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

In Harlingen, there are 142.4 days annually when the high temperature is over 90°, which is hotter than most places in Texas.

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 Harlingen, there are 1.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Texas.

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

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.

September is the wettest month in Harlingen with 5.2 inches of rain, and the driest month is January with 1.1 inches. The wettest season is Winter with 36% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 25.9 inches in Harlingen means that it is drier than most places in Texas.


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.

September is the rainiest month in Harlingen with 9.5 days of rain, and April is the driest month with only 4.2 rainy days. There are 70.7 rainy days annually in Harlingen, which is about average compared to other places in Texas. The rainiest season is Winter when it rains 29% of the time and the driest is Summer with only a 19% 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 0.1 inches in Harlingen means that it is less snowy than most places in Texas.

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

December is the snowiest month in Harlingen with 0.1 inches of snow, and no 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.