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

Highlights

On average, there are 220 sunny days per year in San Antonio. McAllen averages 223 sunny days per year. The US average is 205 sunny days.

San Antonio, Texas gets 32.8 inches of rain, on average, per year. McAllen, Texas gets 21.8 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. McAllen averages 0 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

McAllen, Texas
Summer High: the July high is around 96.6 degrees
Winter Low: the January low is 49.4
Rain: averages 21.8 inches of rain a year
Snow: averages 0 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 McAllen is 6.2 (10=best), which means it is one of the least comfortable places in Texas.

Today's Weather - McAllen, TX

95°F

Today's Weather - San Antonio, TX

93°F

Average Monthly High / Low (°F)

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

August is the hottest month for McAllen with an average high temperature of 97.5°, which ranks it as warmer than most places in Texas. In McAllen, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for McAllen 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 McAllen 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 McAllen, there are 152.4 days annually when the high temperature is over 90°, which is one of the hottest 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 McAllen, there are 1.3 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 McAllen, 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 McAllen with 4.0 inches of rain, and the driest month is March with 1.0 inches. The wettest season is Winter with 33% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 21.8 inches in McAllen 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 McAllen with 6.5 days of rain, and March is the driest month with only 3.5 rainy days. There are 58.0 rainy days annually in McAllen, which is less rainy than most places in Texas. The rainiest season is Spring when it rains 29% of the time and the driest is Summer 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.

There is rarely any recorded snowfall in McAllen, ranking it as one of the least snowy 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.

Any measurable snowfall is a rare occurance in McAllen.

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