Rancho Cucamonga, California gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rancho Cucamonga averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 287 sunny days per year in Rancho Cucamonga. The US average is 205 sunny days.
Rancho Cucamonga gets some kind of precipitation, on average, 36 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.
Summer High: the July high is around 93 degrees
Winter Low: the January low is 43
Rain: averages 19 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Rancho Cucamonga is 8.7 (10=best), which means it is more comfortable than most places in California.
8.3 / 8.5
Summer / Winter
May, October and June are the most pleasant months in Rancho Cucamonga, while August and July are the least comfortable months.