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January weather forecast in San Francisco

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

29 December, sun

	760 mmHg		81%
	4.8 m/s		+12

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

30 December, mon

	760 mmHg		83%
	4.8 m/s		+12

30 December, Monday. day, 13°; night, 7°; rain

31 December, tue

	760 mmHg		80%
	5 m/s		+12

31 December, Tuesday. day, 13°; night, 7°; partly cloudy

1 January, wed

	760 mmHg		77%
	5 m/s		+11

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

2 January, thu

	760 mmHg		79%
	4.4 m/s		+11

2 January, Thursday. day, 13°; night, 7°; rain

3 January, fri

	760 mmHg		81%
	4.6 m/s		+11

3 January, Friday. day, 13°; night, 7°; overcast

4 January, sat

	761 mmHg		82%
	5 m/s		+11

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

5 January, sun

	762 mmHg		80%
	4.8 m/s		+11

5 January, Sunday. day, 13°; night, 7°; clear

6 January, mon

	762 mmHg		79%
	4.4 m/s		+11

6 January, Monday. day, 13°; night, 7°; partly cloudy

7 January, tue

	761 mmHg		82%
	4.69 m/s		+11

7 January, Tuesday. day, 13°; night, 7°; overcast

8 January, wed

	760 mmHg		84%
	4.6 m/s		+11

8 January, Wednesday. day, 13°; night, 8°; rain

9 January, thu

	760 mmHg		84%
	5.2 m/s		+11

9 January, Thursday. day, 13°; night, 8°; rain

10 January, fri

	760 mmHg		84%
	5 m/s		+11

10 January, Friday. day, 13°; night, 7°; overcast

11 January, sat

	760 mmHg		82%
	5 m/s		+11

11 January, Saturday. day, 13°; night, 8°; overcast

12 January, sun

	761 mmHg		82%
	4.19 m/s		+12

12 January, Sunday. day, 13°; night, 8°; partly cloudy

13 January, mon

	762 mmHg		79%
	4.5 m/s		+12

13 January, Monday. day, 14°; night, 8°; partly cloudy

14 January, tue

	762 mmHg		81%
	4.5 m/s		+12

14 January, Tuesday. day, 13°; night, 7°; overcast

15 January, wed

	762 mmHg		81%
	4.19 m/s		+12

15 January, Wednesday. day, 13°; night, 7°; partly cloudy

16 January, thu

	761 mmHg		78%
	4.8 m/s		+12

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

17 January, fri

	762 mmHg		79%
	4.4 m/s		+12

17 January, Friday. day, 14°; night, 7°; clear

18 January, sat

	761 mmHg		83%
	4.5 m/s		+12

18 January, Saturday. day, 14°; night, 7°; overcast

19 January, sun

	761 mmHg		80%
	5.1 m/s		+12

19 January, Sunday. day, 14°; night, 8°; rain

20 January, mon

	759 mmHg		79%
	4.9 m/s		+12

20 January, Monday. day, 14°; night, 8°; clear

21 January, tue

	759 mmHg		79%
	4.8 m/s		+11

21 January, Tuesday. day, 14°; night, 7°; rain

22 January, wed

	760 mmHg		78%
	5.2 m/s		+11

22 January, Wednesday. day, 13°; night, 8°; rain

23 January, thu

	760 mmHg		79%
	4.6 m/s		+11

23 January, Thursday. day, 14°; night, 8°; rain

24 January, fri

	761 mmHg		81%
	4.19 m/s		+11

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

25 January, sat

	760 mmHg		83%
	4.5 m/s		+12

25 January, Saturday. day, 14°; night, 7°; partly cloudy

26 January, sun

	760 mmHg		82%
	4.6 m/s		+12

26 January, Sunday. day, 14°; night, 8°; rain

27 January, mon

	761 mmHg		80%
	4.4 m/s		+12

27 January, Monday. day, 14°; night, 8°; partly cloudy

28 January, tue

	762 mmHg		82%
	4.3 m/s		+12

28 January, Tuesday. day, 14°; night, 7°; clear

29 January, wed

	762 mmHg		83%
	4.1 m/s		+12

29 January, Wednesday. day, 14°; night, 7°; partly cloudy

30 January, thu

	761 mmHg		80%
	4.3 m/s		+12

30 January, Thursday. day, 14°; night, 8°; partly cloudy

31 January, fri

	760 mmHg		80%
	4.19 m/s		+12

31 January, Friday. day, 14°; night, 8°; partly cloudy

1 February, sat

	760 mmHg		80%
	4.8 m/s		+12

1 February, Saturday. day, 15°; night, 8°; partly cloudy

Average data for 10 years

San Francisco January

6

sunny days

10

days with precipitation

11

cloudy days

6 sunny days; 10 days with precipitation; 11 cloudy days;

81

%

air humidity

2.8

m/s

WindS

121

mm of precipitation

(20% of annual average)

+12

°C

Water temperature

air humidity 81%; 121 millimeters of precipitation (20% of annual average); Wind southerly 2.8 Meters per second; Water temperature +12°

Weather graphs for January

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

S

SE

S

SE

S

S

S

S

S

S

S

S

SE

S

S

S

S

S

S

S

S

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

Sacramento
Oakland
Redding
Monterey
San Jose
Reno
Stanford
San Luis Obispo
Cupertino

Cities with similar weather in January

Alanya
Side
Tunis
Belek
Larnaca
Paphos
Athens
Lisbon
Jerba

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

January in San Francisco is the cloudiest month of the year. In January, the weather in San Francisco is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, San Francisco has 10 rainy, 9 partly cloudy, 6 sunny, and 6 cloudy days in January. The rains are usually heavy. January as well as December is considered the most uncomfortable time to visit San Francisco.

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