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Climate in Sunnyvale, California

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ClimateSunnyvale, CAUnited States
Rainfall (in.)1436.5
Snowfall (in.)025
Precipitation Days54100
Sunny Days260205
Avg. July High8286.5
Avg. Jan. Low38.720.5
Comfort Index (higher=better)5344
UV Index5.14.3
Elevation ft.1141,443



Sunnyvale, CA, gets 14 inches of rain per year. The US average is 37. Snowfall is 0 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 54.

On average, there are 260 sunny days per year in Sunnyvale, CA. The July high is around 82 degrees. The January low is 39. Our comfort index, which is based on humidity during the hot months, is a 53 out of 100, where higher is more comfortable. The US average on the comfort index is 44.


Sunnyvale Climate SperlingViews

Lovely climate: I admit I miss a stronger delineation of seasons, but there is a lot to be said for the climate here. It's rarely unbearably hot and it's never bitterly cold. It seems... (read more)Close to Everything: Very close to everything in the Bay Area. San Francisco is about thirty miles to the north. San Jose is five miles to the south. One of the best beaches in the... (read more)Sunnyvale, California: It is in the heart of Silicon Valley. Many of the Hi-Tech companies are located in this area. Moffett field and Lockheed are about 15 minutes away in the city of... (read more)Have an opinion about Sunnyvale? Leave a commentTo See All SperlingViews for Sunnyvale Click Here