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Palo Alto, CA Weather


Palo Alto, CA climate is mild during summer when temperatures tend to be in the 60's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is July with an average maximum temperature of 78.80 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 39.20 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 22 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.

The annual average precipitation at Palo Alto is 15.71 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is January with an average rainfall of 3.24 Inches.

Weather Data

Moon, Sunrise and Sunset

Waxing Crescent Moon Moon Phase: Waxing Crescent Moon Civil Twilight:
6:30 AM PST
Sunrise:
6:59 AM PST
Sunset:
4:51 PM PST
Civil Twilight:
5:20 PM PST

Normal Climate

Normal Temperatures

(PALO ALTO Weather station, 0.86 miles from Palo Alto)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 57.6 61.6 64.3 69.0 73.5 77.4 78.8 78.7 77.8 73.0 64.1 58.2 69.5
Mean °F 49.0 52.4 55.0 58.2 62.4 66.2 68.0 68.0 66.4 61.5 54.0 48.7 59.2
Min °F 40.4 43.2 45.6 47.4 51.2 55.0 57.1 57.2 55.0 50.0 43.9 39.2 48.8

Normal Precipitation

(PALO ALTO Weather station, 0.86 miles from Palo Alto)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 3.24 3.18 2.65 0.89 0.35 0.11 0.03 0.08 0.19 0.85 1.83 2.31 15.71