average temp by month Riverside ca
The highest average temperature in Riverside is July at 78.8 degrees. The coldest average temperature in Riverside is January at 53.2 degrees. The most monthly precipitation in Riverside occurs in February with 1.8 inches.The Riverside weather information is based on the average of the previous 3-7 years of data.Loading...he Riverside, CA air quality index is 54% greater than the California average and 71% greater than the national average. The Riverside, CA pollution index is the sum of the most hazardous air pollutants displayed in pounds.