2025 Compare Climate & Weather:
Mountain View, CA vs San Jose, CA

Highlights

On average, there are 257 sunny days per year in San Jose. Mountain View averages 256 sunny days per year. The US average is 205 sunny days.

San Jose, California gets 17.2 inches of rain, on average, per year. Mountain View, California gets 15.5 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. Mountain View 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

Mountain View, California
Summer High: the July high is around 79.3 degrees
Winter Low: the January low is 41.1
Rain: averages 15.5 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 Mountain View is 8.8 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Mountain View, CA

72°F

Today's Weather - San Jose, CA

75°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mountain View / San Jose

August is the hottest month for Mountain View with an average high temperature of 79.3°, which ranks it as cooler than most places in California. In Mountain View, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mountain View are June, September and July.

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 Mountain View with an average of 40.9°. 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 Mountain View, there are 11.7 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 Mountain View, there are 5.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most 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 Mountain View, 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 Mountain View with 3.1 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 15.5 inches in Mountain View means that it is drier than most 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.

February is the rainiest month in Mountain View with 10.4 days of rain, and July is the driest month with only 0.2 rainy days. There are 61.6 rainy days annually in Mountain View, 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.

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 Mountain View, 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 Mountain View.

Any measurable snowfall is a rare occurance in San Jose.