2025 Compare Climate & Weather:
Austin, TX vs San Marcos, CA

Highlights

On average, there are 265 sunny days per year in San Marcos. Austin averages 228 sunny days per year. The US average is 205 sunny days.

San Marcos, California gets 13.7 inches of rain, on average, per year. Austin, Texas gets 34.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Marcos averages 0 inches of snow per year. Austin averages 0.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Marcos, California
Summer High: the July high is around 80.6 degrees
Winter Low: the January low is 45
Rain: averages 13.7 inches of rain a year
Snow: averages 0 inches of snow a year

Austin, Texas
Summer High: the July high is around 95 degrees
Winter Low: the January low is 38.2
Rain: averages 34.9 inches of rain a year
Snow: averages 0.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Marcos is 9.1 (10=best), which means it is one of the most pleasant places in California.

The annual BestPlaces Comfort Index for Austin is 7.1 (10=best), which means it is about average compared to other places in Texas.

Today's Weather - Austin, TX

69°F

Today's Weather - San Marcos, CA

56°F

Average Monthly High / Low (°F)

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

August is the hottest month for Austin with an average high temperature of 96.2°, which ranks it as warmer than most places in Texas. In Austin, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Austin are April, October and March.

August is the hottest month for San Marcos with an average high temperature of 82.4°, which ranks it as cooler than most places in California. In San Marcos, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Marcos are October, June and July.

January has the coldest nighttime temperatures for Austin with an average of 38.2°. This is about average compared to other places in Texas.

December has the coldest nighttime temperatures for San Marcos with an average of 44.3°. This is warmer than most places in California.

In Austin, there are 105.9 days annually when the high temperature is over 90°, which is hotter than most places in Texas.

In San Marcos, there are 20.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Austin, there are 24.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In San Marcos, there are 1.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

June is the wettest month in Austin with 4.5 inches of rain, and the driest month is January with 2.2 inches. The wettest season is Winter with 28% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 34.9 inches in Austin means that it is about average compared to other places in Texas.


February is the wettest month in San Marcos with 3.1 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 58% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 13.7 inches in San Marcos means that it is drier than most places in California.

March is the rainiest month in Austin with 8.6 days of rain, and August is the driest month with only 4.7 rainy days. There are 79.3 rainy days annually in Austin, 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.

February is the rainiest month in San Marcos with 7.2 days of rain, and August is the driest month with only 0.5 rainy days. There are 41.3 rainy days annually in San Marcos, which is less rainy than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 5% chance of a rainy day.

An annual snowfall of 0.3 inches in Austin means that it is about average compared to other places in Texas.

There is rarely any recorded snowfall in San Marcos, ranking it as one of the least snowy places in California.

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

Any measurable snowfall is a rare occurance in San Marcos.