Climate in San Jose, California

San Jose, California gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

San Jose averages 0 inches of snow per year. The US average is 28 inches of snow per year.

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

San Jose gets some kind of precipitation, on average, 62 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 42
Rain: averages 17 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.

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.

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

Humidity in San Jose is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and June.

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.

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 San Jose, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in San Jose.

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