South Pasadena, CA has a mild, Mediterranean climate with warm summers and mild winters. The average high temperature in summer months is between 70-90°F and the average low temperatures during winter months range from 40-60°F. Rainfall is spread out throughout the year, but most commonly occurs in the winter and spring months. Snowfall in the area is extremely rare with it only occurring a few times each decade. Humidity levels stay relatively low throughout the course of the year due to its proximity to the ocean and mountains.
South Pasadena, California gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Pasadena averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 283 sunny days per year in South Pasadena. The US average is 205 sunny days.
South Pasadena gets some kind of precipitation, on average, 38 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 87 degrees
Winter Low: the January low is 45
Rain: averages 19 inches of rain a year
Snow: averages 0 inches of snow a year