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

Current Conditions

(Updated: 8:47 PM PDT MON MAY 21 2012)

Mostly Cloudy, 64°F	Humidity: 78%	Dewpoint: 57°F
	Wind Speed: VRB 6.9 MPH (6 KT)	Heat Index: 64°F
	Barometer: 30.10 in.	Wind Chill: 64°F

Weather Forecast

(Generated: 3:20 AM PDT TUE MAY 22 2012)

	Hi: 66°F	Today: Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s. West winds 5 to 10 mph increasing to 15 to 20 mph in the afternoon.
	Lo: 50°F
	Hi: 66°F	Wednesday: Mostly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 70s. West winds 10 to 20 mph.
	Lo: 49°F
	Hi: 66°F	Thursday: Sunny. Highs in the mid 60s to lower 70s. Northwest winds 10 to 20 mph.
	Lo: 49°F
	Hi: 66°F	Friday: Partly cloudy. Highs in the lower 60s to mid 70s. Lows around 50.
	Lo: 50°F
	Hi: 66°F	Saturday: Partly cloudy. Highs in the lower 60s to mid 70s. Lows around 50.
	Lo: 50°F
	Hi: 66°F	Sunday: Partly cloudy. Highs in the lower 60s to mid 70s. Lows around 50.
	Lo: 50°F
	Hi: 66°F	Monday: Partly cloudy. Highs in the lower 60s to mid 70s. Lows around 50.
	Lo: 50°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 5:24 AM PDT	Sunrise: 5:54 AM PDT
		Sunset: 8:16 PM PDT	Civil Twilight: 8:45 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