2025 Compare Climate & Weather:
San Antonio, TX vs Crystal City, TX

Highlights

On average, there are 226 sunny days per year in Crystal City. San Antonio averages 220 sunny days per year. The US average is 205 sunny days.

Crystal City, Texas gets 20.5 inches of rain, on average, per year. San Antonio, Texas gets 32.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Crystal City averages 0.1 inches of snow per year. San Antonio averages 0.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Crystal City, Texas
Summer High: the July high is around 98.2 degrees
Winter Low: the January low is 41.8
Rain: averages 20.5 inches of rain a year
Snow: averages 0.1 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Crystal City is 6.7 (10=best), which means it is less comfortable than most places in Texas.

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.

Today's Weather - San Antonio, TX

69°F

Today's Weather - Crystal City, TX

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Antonio / Crystal City

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.

August is the hottest month for Crystal City with an average high temperature of 98.9°, which ranks it as one of the hottest places in Texas. In Crystal City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Crystal City are March, November and February.

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

January has the coldest nighttime temperatures for Crystal City with an average of 41.8°. This is warmer 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 Crystal City, there are 150.0 days annually when the high temperature is over 90°, which is one of the hottest 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 Crystal City, there are 12.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most 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.

In Crystal City, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other 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.


May is the wettest month in Crystal City with 2.5 inches of rain, and the driest month is December with 0.9 inches. The wettest season is Autumn with 30% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 20.5 inches in Crystal City means that it is one of the driest places in Texas.

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.

May is the rainiest month in Crystal City with 4.9 days of rain, and August is the driest month with only 3.3 rainy days. There are 48.8 rainy days annually in Crystal City, which is one of the least rainy places in Texas. The rainiest season is Summer when it rains 26% of the time and the driest is Autumn with only a 23% chance of a rainy day.

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

An annual snowfall of 0.1 inches in Crystal City means that it is less snowy than most places in Texas.

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

January is the snowiest month in Crystal City with 0.1 inches of snow, and no months of the year have significant snowfall.