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Climate in Vallejo, California

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ClimateVallejo, CAUnited States
Rainfall (in.)18.536.5
Snowfall (in.)025
Precipitation Days55100
Sunny Days258205
Avg. July High8386.5
Avg. Jan. Low39.320.5
Comfort Index (higher=better)5044
UV Index5.14.3
Elevation ft.921,443



Vallejo, CA, gets 19 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 55.

On average, there are 258 sunny days per year in Vallejo, CA. The July high is around 83 degrees. The January low is 39. Our comfort index, which is based on humidity during the hot months, is a 50 out of 100, where higher is more comfortable. The US average on the comfort index is 44.


Vallejo Climate SperlingViews

Cool near the water: Perfect climate, a few hot days during summer but breeze from the Carquinez Straits makes for lovely evenings.... (read more)re: The Wost Summers - 6/25/2012: "Windy and cold" by comparison to what? How about Vallejo's year-round moderate temperature with lots of sunshine? "Too hot" is a more substantive complaint as it poses... (read more)The Wost Summers: Moved here in 2008( Vallejo). If I would have known the weather was so bad during the summer season, I would have not come. This place does not have a summer season. It... (read more)Have an opinion about Vallejo? Leave a commentTo See All SperlingViews for Vallejo Click Here