Norco, in California, United States, is home to roughly 26,300 people in the Pacific Time Zone at 33.9°N latitude.
In 2025, Norco averaged an annual temperature of 66°F, with hottest temperatures reaching 106°F in August and lowest around 37°F in January. The city received approximately 18 inches of precipitation during the year.
View historical weather for Norco · More cities in California