Monrovia, CA enjoys a warm and sunny Mediterranean climate. Summers are hot and dry, with temperatures ranging from the mid-70s to upper 90s Fahrenheit. Winters are mild, with temperatures staying in the 50-60s range. Rainfall is low throughout the year, averaging around 17 inches annually. During the summer months, Monrovia experiences occasional heat waves that can reach up to 110 degrees Fahrenheit or more.
Monrovia, California gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Monrovia averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 285 sunny days per year in Monrovia. The US average is 205 sunny days.
Monrovia 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 88 degrees
Winter Low: the January low is 47
Rain: averages 20 inches of rain a year
Snow: averages 0 inches of snow a year