How Often Does It Rain In San Mateo?
Climate Averages San Mateo, California United States Rainfall 24.4 in. 38.1 in. Snowfall 0.0 in. 27.8 in. Precipitation 76.9 days 106.2 days Sunny 265 days 205 days How many days of sunshine does San Mateo get? On average, there are 260 sunny days per year in San Mateo County. The US average is 205 sunny …
