2025 Compare Climate & Weather:
Los Altos Hills, CA vs San Jose, CA

Highlights

On average, there are 257 sunny days per year in San Jose. Los Altos Hills averages 263 sunny days per year. The US average is 205 sunny days.

San Jose, California gets 17.2 inches of rain, on average, per year. Los Altos Hills, California gets 19.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Jose averages 0 inches of snow per year. Los Altos Hills averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Jose, California
Summer High: the July high is around 81.9 degrees
Winter Low: the January low is 41.6
Rain: averages 17.2 inches of rain a year
Snow: averages 0 inches of snow a year

Los Altos Hills, California
Summer High: the July high is around 81.4 degrees
Winter Low: the January low is 39.6
Rain: averages 19.6 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Jose is 8.8 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Los Altos Hills is 8.7 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Los Altos Hills, CA

59°F

Today's Weather - San Jose, CA

54°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Los Altos Hills / San Jose

July is the hottest month for Los Altos Hills with an average high temperature of 81.4°, which ranks it as cooler than most places in California. In Los Altos Hills, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Los Altos Hills are June, October and September.

August is the hottest month for San Jose with an average high temperature of 81.9°, which ranks it as cooler than most places in California. In San Jose, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Jose are June, September and May.

December has the coldest nighttime temperatures for Los Altos Hills with an average of 39.3°. This is warmer than most places in California.

December has the coldest nighttime temperatures for San Jose with an average of 41.5°. This is warmer than most places in California.

In Los Altos Hills, there are 20.8 days annually when the high temperature is over 90°, which is cooler than most places in California.

In San Jose, there are 16.9 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Los Altos Hills, there are 12.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In San Jose, there are 4.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

February is the wettest month in Los Altos Hills with 4.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 19.6 inches in Los Altos Hills means that it is about average compared to other places in California.


February is the wettest month in San Jose with 3.5 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 17.2 inches in San Jose means that it is about average compared to other places in California.

January is the rainiest month in Los Altos Hills with 10.5 days of rain, and July is the driest month with only 0.1 rainy days. There are 61.0 rainy days annually in Los Altos Hills, which is about average compared to other places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 2% chance of a rainy day.

December is the rainiest month in San Jose with 10.3 days of rain, and July is the driest month with only 0.2 rainy days. There are 61.8 rainy days annually in San Jose, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.

There is rarely any recorded snowfall in Los Altos Hills, ranking it as one of the least snowy places in California.

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

Any measurable snowfall is a rare occurance in Los Altos Hills.

Any measurable snowfall is a rare occurance in San Jose.