The climate in 94066 San Bruno, CA is generally mild and sunny. With an average of 279 sunny days per year, the region experiences warm summers with highs in the mid-70s to low 80s and cool winters with lows in the mid-30s to low 40s. The area sees moderate precipitation throughout the year, including occasional rain during winter and spring months and light showers during summer. San Bruno has relatively low levels of humidity compared to other cities in California.
San Bruno (zip 94066), California gets 26 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Bruno (zip 94066) 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 San Bruno (zip 94066). The US average is 205 sunny days.
San Bruno (zip 94066) gets some kind of precipitation, on average, 69 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 70 degrees
Winter Low: the January low is 46
Rain: averages 26 inches of rain a year
Snow: averages 0 inches of snow a year