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

Highlights

On average, there are 263 sunny days per year in Los Altos Hills. Hollister averages 266 sunny days per year. The US average is 205 sunny days.

Los Altos Hills, California gets 19.6 inches of rain, on average, per year. Hollister, California gets 15.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

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

Weather Highlights

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

Hollister, California
Summer High: the July high is around 86.3 degrees
Winter Low: the January low is 38.1
Rain: averages 15.2 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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.

The annual BestPlaces Comfort Index for Hollister is 8.6 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Hollister, CA

51°F

Today's Weather - Los Altos Hills, CA

50°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hollister / Los Altos Hills

August is the hottest month for Hollister with an average high temperature of 86.4°, which ranks it as cooler than most places in California. In Hollister, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hollister are October, May and June.

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.

December has the coldest nighttime temperatures for Hollister with an average of 37.7°. This is about average compared to other places in California.

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

In Hollister, there are 43.1 days annually when the high temperature is over 90°, which is about average compared to other 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 Hollister, there are 16.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other 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 Hollister, 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 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.

January is the wettest month in Hollister with 3.2 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 15.2 inches in Hollister means that it is drier than most 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.

January is the rainiest month in Hollister with 10.1 days of rain, and July is the driest month with only 0.1 rainy days. There are 56.0 rainy days annually in Hollister, 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.

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.

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

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

Any measurable snowfall is a rare occurance in Hollister.

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