Vacaville, California gets 25 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Vacaville averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 260 sunny days per year in Vacaville. The US average is 205 sunny days.
Vacaville 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.
Summer High: the July high is around 93 degrees
Winter Low: the January low is 39
Rain: averages 25 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Vacaville is 8.2 (10=best), which means it is about average compared to other places in California.
8.2 / 10
May, October and June are the most pleasant months in Vacaville, while January and December are the least comfortable months.