2025 Compare Climate & Weather:
Arlington, VA vs San Marcos, TX

Highlights

On average, there are 232 sunny days per year in San Marcos. Arlington averages 201 sunny days per year. The US average is 205 sunny days.

San Marcos, Texas gets 35.2 inches of rain, on average, per year. Arlington, Virginia gets 43.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Marcos averages 0.1 inches of snow per year. Arlington averages 14.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Marcos, Texas
Summer High: the July high is around 94.3 degrees
Winter Low: the January low is 39.1
Rain: averages 35.2 inches of rain a year
Snow: averages 0.1 inches of snow a year

Arlington, Virginia
Summer High: the July high is around 87.7 degrees
Winter Low: the January low is 26.5
Rain: averages 43.3 inches of rain a year
Snow: averages 14.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Marcos is 7.2 (10=best), which means it is more comfortable than most places in Texas.

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

Today's Weather - Arlington, VA

74°F

Today's Weather - San Marcos, TX

79°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Arlington / San Marcos

July is the hottest month for Arlington with an average high temperature of 87.7°, which ranks it as warmer than most places in Virginia. In Arlington, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arlington are September, May and June.

August is the hottest month for San Marcos with an average high temperature of 95.5°, which ranks it as about average compared to other places in Texas. In San Marcos, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Marcos are April, October and March.

January has the coldest nighttime temperatures for Arlington with an average of 26.5°. This is warmer than most places in Virginia.

January has the coldest nighttime temperatures for San Marcos with an average of 39.1°. This is warmer than most places in Texas.

In Arlington, there are 29.0 days annually when the high temperature is over 90°, which is hotter than most places in Virginia.

In San Marcos, there are 103.9 days annually when the high temperature is over 90°, which is hotter than most places in Texas.

In Arlington, there are 78.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Virginia.

In San Marcos, there are 20.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

In Arlington, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Virginia.

In San Marcos, 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 Arlington with 4.3 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 43.3 inches in Arlington means that it is about average compared to other places in Virginia.


October is the wettest month in San Marcos with 4.4 inches of rain, and the driest month is August with 2.0 inches. The wettest season is Winter with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 35.2 inches in San Marcos means that it is about average compared to other places in Texas.

May is the rainiest month in Arlington with 11.7 days of rain, and October is the driest month with only 8.3 rainy days. There are 117.0 rainy days annually in Arlington, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

May is the rainiest month in San Marcos with 8.1 days of rain, and August is the driest month with only 4.9 rainy days. There are 83.1 rainy days annually in San Marcos, which is rainier than most places in Texas. The rainiest season is Spring when it rains 27% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 14.9 inches in Arlington means that it is about average compared to other places in Virginia.

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

January is the snowiest month in Arlington with 5.7 inches of snow, and 5 months of the year have significant snowfall.

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