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

Weather Forecast

(Generated: 2:45 PM PDT SAT JUL 04 2009)

		Tonight: Clear in the evening then areas of low clouds and fog. Lows in the mid 50s. Southwest winds 10 to 20 mph.
	Lo: 55°F
	Hi: 66°F	Sunday: Areas of low clouds and fog in the morning then partly cloudy. Highs in the lower 60s to mid 70s. Southwest winds 10 to 20 mph.
	Lo: 55°F
	Hi: 66°F	Monday: Partly cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Highs in the lower 60s to lower 70s. West winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon.
	Lo: 50°F
	Hi: 66°F	Tuesday: Partly cloudy in the morning then becoming mostly sunny. Highs in the lower 60s to lower 70s.
	Lo: 55°F
	Hi: 66°F	Wednesday: Partly cloudy. Lows in the 50s. Highs in the lower 60s to mid 70s.
	Lo: 55°F
	Hi: 66°F	Thursday: Partly cloudy. Lows in the 50s. Highs in the lower 60s to mid 70s.
	Lo: 55°F
	Hi: 66°F	Friday: Partly cloudy. Lows in the 50s. Highs in the lower 60s to mid 70s.
	Lo: 55°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 5:21 AM PDT	Sunrise: 5:52 AM PDT
		Sunset: 8:33 PM PDT	Civil Twilight: 9:03 PM PDT

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