Norco, California has a warm-summer Mediterranean climate, which is characterized by hot, dry summers and mild to cool, wet winters. Average high temperatures in the summer hover around 91 degrees Fahrenheit (33 Celsius), while winter temperatures usually reach an average of 57 degrees Fahrenheit (14 Celsius). Rainfall is light throughout the year, with an average of 17.6 inches (44 centimeters) annually. The area also enjoys numerous sunny days throughout the year with an average of 325 sunny days per year.
Norco, California gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Norco averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 273 sunny days per year in Norco. The US average is 205 sunny days.
Norco gets some kind of precipitation, on average, 34 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 93 degrees
Winter Low: the January low is 42
Rain: averages 12 inches of rain a year
Snow: averages 0 inches of snow a year