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

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Highlights

On average, there are 232 sunny days per year in San Marcos. San Marcos averages 265 sunny days per year. The US average is 205 sunny days.

San Marcos, Texas gets 35.2 inches of rain, on average, per year. San Marcos, California gets 13.7 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. San Marcos averages 0 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

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

BestPlaces Comfort Index
San Marcos

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

7.2 / 10
April, October and November are the most pleasant months in San Marcos, while August and July are the least comfortable months.

San Marcos

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.

9.1 / 10
June, September and July are the most pleasant months in San Marcos, while January and February are the least comfortable months.

Today's Weather - San Marcos, CA

10 AM PST

Slight Chance Rain Showers then Partly Sunny

57°F

DAYDESCRIPTIONHIGH / LOWWIND
TodaySlight Chance Rain Showers then Partly Sunny65° / 53°S 5 to 10 mph
TuesdayPartly Sunny68° / 52°S 5 to 10 mph
WednesdayMostly Sunny71° / 54°W 0 to 10 mph
ThursdayMostly Sunny78° / 58°NW 0 to 10 mph
FridaySunny81° / 60°NW 0 to 10 mph
SaturdaySunny82° / 59°W 0 to 10 mph
SundayMostly Sunny80° / 58°SW 0 to 10 mph
Today's Weather - San Marcos, TX

10 AM PST

Showers And Thunderstorms

68°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonShowers And Thunderstorms72° / 67°ESE 10 mph
TuesdayChance Showers And Thunderstorms then Showers And Thunderstorms83° / 65°S 10 to 15 mph
WednesdayChance Showers And Thunderstorms83° / 63°NE 5 mph
ThursdayMostly Sunny then Slight Chance Rain Showers81° / 62°NNE 5 to 10 mph
FridayMostly Sunny82° / 61°N 5 to 10 mph
SaturdaySunny82° / 57°NNE 5 to 10 mph
SundaySunny84° / 57°NNE 5 to 10 mph
Average Monthly High / Low (°F)
MonthSan Marcos, CASan Marcos, TX
January67° / 45°62° / 39°
February67° / 46°66° / 42°
March68° / 48°73° / 49°
April71° / 51°80° / 57°
May73° / 55°86° / 65°
June76° / 59°91° / 71°
July81° / 63°94° / 73°
August82° / 64°96° / 73°
September81° / 62°90° / 67°
October77° / 56°82° / 58°
November71° / 49°72° / 49°
December66° / 44°63° / 40°
Hot, Freezing, Rainy, Snowy Days: San Marcos / San Marcos
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 00 / 76 / 80 / 0
February0 / 00 / 47 / 70 / 0
March0 / 00 / 16 / 80 / 0
April1 / 20 / 04 / 70 / 0
May1 / 80 / 02 / 80 / 0
June2 / 190 / 01 / 80 / 0
July4 / 260 / 01 / 50 / 0
August6 / 280 / 01 / 50 / 0
September5 / 160 / 01 / 70 / 0
October2 / 40 / 03 / 70 / 0
November1 / 00 / 14 / 70 / 0
December0 / 00 / 76 / 80 / 0
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.

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

January has the coldest nighttime temperatures for San Marcos with an average of 39.1°. This is warmer 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 San Marcos, there are 103.9 days annually when the high temperature is over 90°, which is hotter than most 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 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 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.

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.

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.


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.

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.

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.

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

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

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

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for San Marcos    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of San Marcos

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Reviews for San Marcos    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of San Marcos

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Zips In San Marcos, California
92069, 92078
Zips In SAN MARCOS, TEXAS
78666, 78656
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