Santa Rosa, CA 95403 enjoys a mild Mediterranean climate year round. Summers are usually warm and dry with temperatures reaching up to the mid-80s, while winters remain mild with temperatures only reaching the low 50s. Rainfall tends to be light throughout the year but increases in the late fall and winter months to provide much needed moisture for lush vegetation and greenery in the area.
Santa Rosa (zip 95403), California gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Santa Rosa (zip 95403) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 261 sunny days per year in Santa Rosa (zip 95403). The US average is 205 sunny days.
Santa Rosa (zip 95403) gets some kind of precipitation, on average, 78 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 83 degrees
Winter Low: the January low is 37
Rain: averages 37 inches of rain a year
Snow: averages 0 inches of snow a year