Weather Forecast and Radar for San Bruno, California

Weather in San Bruno, CA

San Bruno, California, United States has mild weather year-round. During the winter months, temperatures range from the low 40s to mid-60s Fahrenheit. Average highs in January and February are typically around 58°F and lows around 43°F. Rainfall is fairly common during the winter, with an average of 2 inches per month.

In the spring, temperatures start to warm up, with average highs in March, April, and May reaching around 64°F and lows around 46°F. Rainfall is still common, with an average of 2-3 inches of rain per month.

Summer temperatures are balmy and pleasant. Average highs tend to range in the high 60s to mid-70s, with lows in the mid-50s. July and August typically see the warmest temperatures, with highs typically reaching around 72°F and lows around 57°F. Rainfall is much less common during the summer months, with an average of 1 inch of rain per month.

In the fall, temperatures gradually cool down. Average highs in September, October, and November tend to range from the mid-60s to low 70s, with lows in the mid-50s. Rainfall is slightly more common during this time, with an average of 1-2 inches of rain per month.

Overall, San Bruno has mild weather year-round, with temperatures rarely reaching the extremes. Rainfall is fairly common in the winter and spring months, but much less so in the summer and fall.

Fast Facts About San Bruno, CA

As of 2020, the city population is 44663.

Major Cities Nearby San Bruno, CA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for San Bruno, California.