Riverdale, CA has a mild Mediterranean climate with warm summers and cool winters. The area experiences moderate rainfall throughout the year, with most precipitation occurring in the winter months. Summers in Riverdale are generally warm and sunny, with temperatures rarely exceeding 80°F (26.7°C). Winters are usually mild and wet, with temperatures rarely dropping below 40°F (4.4°C). Overall, the weather in Riverdale is comfortable all year round, making it a great place for those looking to escape cold weather or enjoy some sunshine!
Riverdale, California gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Riverdale averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 268 sunny days per year in Riverdale. The US average is 205 sunny days.
Riverdale 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 96 degrees
Winter Low: the January low is 36
Rain: averages 9 inches of rain a year
Snow: averages 0 inches of snow a year