San Rafael, CA (94903) enjoys mild temperatures year-round. Summers are usually warm and sunny with temperatures ranging from the mid 50s to the upper 80s. Winters are generally cool and wet, with temperatures that range between the high 30s and the mid 50s. Overall, San Rafael experiences an oceanic climate type, as it is surrounded by the coastal mountains and ocean breeze which moderates temperatures throughout the year. Rainfall in San Rafael is generally light to moderate all year round, with higher rainfall during winter months.
San Rafael (zip 94903), California gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Rafael (zip 94903) 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 Rafael (zip 94903). The US average is 205 sunny days.
San Rafael (zip 94903) gets some kind of precipitation, on average, 77 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 78 degrees
Winter Low: the January low is 42
Rain: averages 41 inches of rain a year
Snow: averages 0 inches of snow a year