Vallejo, California has a Mediterranean climate with warm to hot summers and cool, wet winters. The temperatures range from the upper 50s to mid-70s in the summer and mid-30s to upper 50s during the winter. Vallejo receives an average of 34 inches of rain per year, making it one of the wettest cities in Northern California. The area is also known for having strong winds at times due to its close proximity to San Pablo Bay. Vallejo's weather typically remains mild throughout the year and snow is rarely seen in the area.
Vallejo, California gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Vallejo averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 258 sunny days per year in Vallejo. The US average is 205 sunny days.
Vallejo gets some kind of precipitation, on average, 65 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 84 degrees
Winter Low: the January low is 38
Rain: averages 21 inches of rain a year
Snow: averages 0 inches of snow a year