Pomona, CA (91766) has a warm Mediterranean climate with hot dry summers and mild wet winters. Temperatures in summer range from the mid-80s to upper 90s while winters remain comfortable with temperatures ranging from 45 to 65 degrees Fahrenheit. Rainfall is light and infrequent throughout the year with an average of roughly 10 inches for the entire year. The winds tend to be light most of the year but can pick up during the spring months coming from the southwest. Overall, Pomona is a sunny city with pleasant weather all year round.
Pomona (zip 91766), California gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Pomona (zip 91766) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 281 sunny days per year in Pomona (zip 91766). The US average is 205 sunny days.
Pomona (zip 91766) gets some kind of precipitation, on average, 32 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 91 degrees
Winter Low: the January low is 42
Rain: averages 16 inches of rain a year
Snow: averages 0 inches of snow a year