Rancho Cucamonga, CA is located in the south-eastern corner of California and offers mild winters and hot summers. The average high temperatures in the summer reach about 90°F (32°C), while winter lows can drop down to around 40°F (4°C). The area experiences low humidity levels throughout the year, making it comfortable for those who like dry weather. Rainfall averages just 10 inches annually, but during a typical year the area will receive roughly 13 days with measurable precipitation.
Rancho Cucamonga (zip 91701), California gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rancho Cucamonga (zip 91701) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 282 sunny days per year in Rancho Cucamonga (zip 91701). The US average is 205 sunny days.
Rancho Cucamonga (zip 91701) 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 92 degrees
Winter Low: the January low is 43
Rain: averages 21 inches of rain a year
Snow: averages 0 inches of snow a year