Rowland Heights, CA has a Mediterranean climate with hot and dry summers and mild winters. The temperature in summer is usually warm and can reach up to 90 degrees Fahrenheit during the day, while it cools off to around 60-70 degrees at night. During the winter months, temperatures typically stay between 50-60 degrees with occasional rainfall and light snowfall in some areas. The area also gets plenty of sunshine year round, making it an ideal place to live.
Rowland Heights (zip 91748), California gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rowland Heights (zip 91748) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 280 sunny days per year in Rowland Heights (zip 91748). The US average is 205 sunny days.
Rowland Heights (zip 91748) gets some kind of precipitation, on average, 33 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 86 degrees
Winter Low: the January low is 46
Rain: averages 16 inches of rain a year
Snow: averages 0 inches of snow a year