Pasadena, CA has a Mediterranean climate with hot, dry summers and mild winters. The hottest months are July and August, when temperatures can reach up to the low 100s. Winters in Pasadena are mild, with temperatures rarely dropping below freezing. Pasadena also gets quite a bit of rainfall throughout the year, typically between 15-25 inches annually. The area is prone to occasional droughts, however average precipitation levels usually provide enough rain to keep the city's flora and fauna thriving.
Pasadena, California gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Pasadena averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 286 sunny days per year in Pasadena. The US average is 205 sunny days.
Pasadena 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.
Summer High: the July high is around 88 degrees
Winter Low: the January low is 45
Rain: averages 21 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Pasadena is 9.1 (10=best), which means it is one of the most pleasant places in California.
9.3 / 8.7
Summer / Winter
June, May and October are the most pleasant months in Pasadena, while January and February are the least comfortable months.