Pasadena, CA 91104 has a Mediterranean climate with warm to hot summers and mild to cool winters. Average temperatures range from the mid 60s in the winter months to the upper 80s in the summer months. Precipitation is fairly low throughout the year, but average annual rainfall does reach around 16 inches. The area experiences little snowfall, with most precipitation coming during the late winter and spring months in the form of rain showers. The area also has plenty of sunshine year-round, making it great for outdoor activities and sightseeing.
Pasadena (zip 91104), California gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Pasadena (zip 91104) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 292 sunny days per year in Pasadena (zip 91104). The US average is 205 sunny days.
Pasadena (zip 91104) gets some kind of precipitation, on average, 40 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 87 degrees
Winter Low: the January low is 45
Rain: averages 22 inches of rain a year
Snow: averages 0 inches of snow a year