2025 Compare Climate & Weather:
San Mateo, CA vs Houston, TX

Highlights

On average, there are 204 sunny days per year in Houston. San Mateo averages 265 sunny days per year. The US average is 205 sunny days.

Houston, Texas gets 53 inches of rain, on average, per year. San Mateo, California gets 24.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Houston averages 0 inches of snow per year. San Mateo averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Houston, Texas
Summer High: the July high is around 93 degrees
Winter Low: the January low is 43.4
Rain: averages 53 inches of rain a year
Snow: averages 0 inches of snow a year

San Mateo, California
Summer High: the July high is around 74.1 degrees
Winter Low: the January low is 42.2
Rain: averages 24.4 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Houston is 6.6 (10=best), which means it is less comfortable than most places in Texas.

The annual BestPlaces Comfort Index for San Mateo is 8.5 (10=best), which means it is more comfortable than most places in California.

Today's Weather - San Mateo, CA

63°F

Today's Weather - Houston, TX

83°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Mateo / Houston

August is the hottest month for San Mateo with an average high temperature of 74.5°, which ranks it as one of the coolest places in California. In San Mateo, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Mateo are August, September and July.

August is the hottest month for Houston with an average high temperature of 93.6°, which ranks it as cooler than most places in Texas. In Houston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Houston are April, October and November.

January has the coldest nighttime temperatures for San Mateo with an average of 42.2°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Houston with an average of 43.4°. This is warmer than most places in Texas.

In San Mateo, there are 9.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Houston, there are 95.9 days annually when the high temperature is over 90°, which is about average compared to other places in Texas.

In San Mateo, there are 4.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Houston, there are 7.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

In San Mateo, 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 Houston, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

January is the wettest month in San Mateo with 4.8 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 57% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 24.4 inches in San Mateo means that it is wetter than most places in California.


June is the wettest month in Houston with 6.2 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 53.0 inches in Houston means that it is one of the wettest places in Texas.

January is the rainiest month in San Mateo with 11.6 days of rain, and July is the driest month with only 1.7 rainy days. There are 76.9 rainy days annually in San Mateo, which is rainier than most places in California. The rainiest season is Spring when it rains 44% of the time and the driest is Autumn with only a 7% chance of a rainy day.

June is the rainiest month in Houston with 9.3 days of rain, and April is the driest month with only 5.7 rainy days. There are 90.0 rainy days annually in Houston, which is rainier than most places in Texas. The rainiest season is Autumn when it rains 28% of the time and the driest is Summer with only a 22% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in San Mateo.

Any measurable snowfall is a rare occurance in Houston.