Riverside, CA is located in a warm-summer Mediterranean climate zone, where temperatures average around 78 degrees Fahrenheit during the summer months and 44 degrees Fahrenheit during winter. It has very mild winters with minimal precipitation, while summers are hot and dry with temperatures often well over 100 degrees Fahrenheit. The area experiences plenty of sunshine throughout the year which makes for great outdoor activities. During the spring and fall seasons there is generally a nice balance between temperature and humidity, making it a pleasant time to be outdoors.
Riverside (zip 92503), California gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Riverside (zip 92503) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 281 sunny days per year in Riverside (zip 92503). The US average is 205 sunny days.
Riverside (zip 92503) gets some kind of precipitation, on average, 32 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 94 degrees
Winter Low: the January low is 43
Rain: averages 11 inches of rain a year
Snow: averages 0 inches of snow a year