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December weather forecast in Palo Alto

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	750 mmHg		79%
	3.5 m/s		+13

30 November, Sunday. day, 15°; night, 8°; rain

1 December, mon

	750 mmHg		80%
	3.9 m/s		+13

1 December, Monday. day, 15°; night, 9°; rain

2 December, tue

	750 mmHg		79%
	3.7 m/s		+13

2 December, Tuesday. day, 15°; night, 9°; clear

3 December, wed

	751 mmHg		79%
	3.4 m/s		+13

3 December, Wednesday. day, 15°; night, 9°; clear

4 December, thu

	751 mmHg		79%
	2.9 m/s		+13

4 December, Thursday. day, 15°; night, 8°; clear

5 December, fri

	751 mmHg		80%
	3.1 m/s		+13

5 December, Friday. day, 15°; night, 9°; overcast

6 December, sat

	750 mmHg		83%
	3.4 m/s		+13

6 December, Saturday. day, 15°; night, 9°; rain

7 December, sun

	750 mmHg		83%
	3.6 m/s		+13

7 December, Sunday. day, 15°; night, 9°; rain

8 December, mon

	751 mmHg		82%
	3.4 m/s		+13

8 December, Monday. day, 14°; night, 8°; overcast

9 December, tue

	752 mmHg		80%
	3.3 m/s		+13

9 December, Tuesday. day, 14°; night, 8°; clear

10 December, wed

	751 mmHg		81%
	3.7 m/s		+13

10 December, Wednesday. day, 14°; night, 8°; clear

11 December, thu

	751 mmHg		82%
	3.3 m/s		+13

11 December, Thursday. day, 14°; night, 8°; partly cloudy

12 December, fri

	750 mmHg		85%
	3.6 m/s		+13

12 December, Friday. day, 14°; night, 9°; rain

13 December, sat

	751 mmHg		85%
	3.7 m/s		+13

13 December, Saturday. day, 14°; night, 9°; rain

14 December, sun

	751 mmHg		83%
	4.4 m/s		+12

14 December, Sunday. day, 14°; night, 9°; rain

15 December, mon

	752 mmHg		82%
	3.7 m/s		+12

15 December, Monday. day, 13°; night, 8°; partly cloudy

16 December, tue

	751 mmHg		80%
	3.8 m/s		+12

16 December, Tuesday. day, 14°; night, 7°; partly cloudy

17 December, wed

	751 mmHg		80%
	3.5 m/s		+12

17 December, Wednesday. day, 14°; night, 8°; partly cloudy

18 December, thu

	751 mmHg		80%
	3.5 m/s		+12

18 December, Thursday. day, 14°; night, 7°; clear

19 December, fri

	751 mmHg		81%
	3.4 m/s		+12

19 December, Friday. day, 14°; night, 8°; partly cloudy

20 December, sat

	751 mmHg		81%
	3.5 m/s		+12

20 December, Saturday. day, 13°; night, 7°; partly cloudy

21 December, sun

	750 mmHg		81%
	3.7 m/s		+12

21 December, Sunday. day, 13°; night, 8°; rain

22 December, mon

	750 mmHg		80%
	4 m/s		+12

22 December, Monday. day, 13°; night, 8°; rain

23 December, tue

	751 mmHg		78%
	3.3 m/s		+12

23 December, Tuesday. day, 13°; night, 8°; clear

24 December, wed

	752 mmHg		81%
	3.4 m/s		+12

24 December, Wednesday. day, 13°; night, 7°; partly cloudy

25 December, thu

	751 mmHg		78%
	3.6 m/s		+12

25 December, Thursday. day, 13°; night, 7°; clear

26 December, fri

	751 mmHg		78%
	4 m/s		+12

26 December, Friday. day, 13°; night, 7°; clear

27 December, sat

	752 mmHg		81%
	4 m/s		+12

27 December, Saturday. day, 13°; night, 7°; overcast

28 December, sun

	752 mmHg		80%
	3.3 m/s		+12

28 December, Sunday. day, 13°; night, 7°; rain

29 December, mon

	750 mmHg		82%
	3.8 m/s		+12

29 December, Monday. day, 13°; night, 8°; rain

30 December, tue

	750 mmHg		84%
	3.6 m/s		+12

30 December, Tuesday. day, 13°; night, 8°; overcast

31 December, wed

	750 mmHg		82%
	4 m/s		+12

31 December, Wednesday. day, 13°; night, 8°; overcast

1 January, thu

	750 mmHg		80%
	3.8 m/s		+12

1 January, Thursday. day, 13°; night, 7°; clear

2 January, fri

	750 mmHg		82%
	3.3 m/s		+12

2 January, Friday. day, 14°; night, 7°; rain

3 January, sat

	750 mmHg		82%
	3.3 m/s		+12

3 January, Saturday. day, 13°; night, 7°; rain

Average data for 10 years

Palo Alto December

9

sunny days

10

days with precipitation

10

cloudy days

9 sunny days; 10 days with precipitation; 10 cloudy days;

81

%

air humidity

2.2

m/s

WindS

105

mm of precipitation

(20% of annual average)

+12

°C

Water temperature

air humidity 81%; 105 millimeters of precipitation (20% of annual average); Wind southerly 2.2 Meters per second; Water temperature +12°

Weather graphs for December

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

S

S

S

S

S

S

S

SE

S

S

S

SW

S

S

SE

SE

SE

S

SE

S

S

S

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

San Francisco
Sacramento
Oakland
Redding
Monterey
San Jose
Reno
Santa Barbara
Stanford

Cities with similar weather in December

Antalya
Barcelona
Rome
Marmaris
Athens
Lisbon
Heraklion
Nice
Salou

The weather forecast for December 2025 is based on historical data from the past 10 years.

December in Palo Alto is the coldest month of the year. In December, the weather in Palo Alto is typically warm. Average daily high temperature in December is about 14 degrees above zero. On average, Palo Alto has 10 rainy, 9 sunny, 7 partly cloudy, and 5 cloudy days in December. The rains are usually heavy. December as well as January, February, and March is considered the most uncomfortable time to visit Palo Alto.

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