Home

Pasadena, CA Weather


Pasadena, CA climate is warm during summer when temperatures tend to be in the 70's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is August with an average maximum temperature of 90.60 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 44.10 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 28 degrees Fahrenheit, and moderate during winter with an average difference of 24 degrees Fahrenheit.

The annual average precipitation at Pasadena is 21.09 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is February with an average rainfall of 5.00 Inches.

Weather Data

Moon, Sunrise and Sunset

Waxing Crescent Moon Moon Phase: Waxing Crescent Moon Civil Twilight:
6:04 AM PST
Sunrise:
6:31 AM PST
Sunset:
4:44 PM PST
Civil Twilight:
5:11 PM PST

Normal Climate

Normal Temperatures

(PASADENA Weather station, 0.39 miles from Pasadena)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 67.8 70.3 71.3 76.0 78.2 84.0 89.4 90.6 88.5 82.5 73.8 68.0 78.4
Mean °F 56.1 58.1 59.3 63.0 65.9 70.7 75.3 76.3 74.6 68.9 61.0 56.1 65.4
Min °F 44.3 45.9 47.2 50.0 53.5 57.4 61.1 62.0 60.6 55.2 48.1 44.1 52.5

Normal Precipitation

(PASADENA Weather station, 0.39 miles from Pasadena)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 4.48 5.00 4.38 1.22 0.45 0.21 0.05 0.21 0.48 0.65 1.50 2.46 21.09