Rio Dell, CA enjoys a Mediterranean climate with mild temperatures throughout the year. The area experiences warm dry summers and cool, wet winters due to its proximity to the Pacific Ocean. Average highs in summer months range from the mid-60s to mid-70s, while average lows during winter range from the upper 30's to low 50's. Average annual rainfall is around 34 inches, with most of it occurring during the winter months of November through March.
Rio Dell, California gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rio Dell averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 178 sunny days per year in Rio Dell. The US average is 205 sunny days.
Rio Dell gets some kind of precipitation, on average, 122 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 70 degrees
Winter Low: the January low is 41
Rain: averages 50 inches of rain a year
Snow: averages 1 inches of snow a year