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Monthly weather forecast in South 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

22 December, sun

	749 mmHg		61%
	4.3 m/s		+12

22 December, Sunday. day, 13°; night, 11°; clear

23 December, mon

	747 mmHg		62%
	5.6 m/s		+12

23 December, Monday. day, 13°; night, 11°; clear

24 December, tue

	747 mmHg		60%
	4.5 m/s		+12

24 December, Tuesday. day, 12°; night, 11°; partly cloudy

25 December, wed

	748 mmHg		63%
	4.9 m/s		+12

25 December, Wednesday. day, 12°; night, 10°; clear

26 December, thu

	751 mmHg		64%
	3.2 m/s		+12

26 December, Thursday. day, 11°; night, 10°; rain

27 December, fri

	761 mmHg		90%
	5.3 m/s		+13

Climate normal

27 December, Friday. day, 16°; night, 12°; light rain

28 December, sat

	763 mmHg		88%
	2.6 m/s		+13

Climate normal

28 December, Saturday. day, 16°; night, 14°; light rain

29 December, sun

	763 mmHg		87%
	7.3 m/s		+13

Climate normal

29 December, Sunday. day, 14°; night, 7°; rain

30 December, mon

	766 mmHg		76%
	3.2 m/s		+13

Climate normal

30 December, Monday. day, 13°; night, 7°; partly cloudy

31 December, tue

	765 mmHg		65%
	2.6 m/s		+13

Climate normal

31 December, Tuesday. day, 14°; night, 8°; partly cloudy

1 January, wed

	765 mmHg		69%
	2.7 m/s		+13

Climate normal

1 January, Wednesday. day, 14°; night, 9°; partly cloudy

2 January, thu

	764 mmHg		66%
	2.6 m/s		+13

Climate normal

2 January, Thursday. day, 16°; night, 10°; mostly clear

3 January, fri

	764 mmHg		77%
	3.6 m/s		+13

Climate normal

3 January, Friday. day, 14°; night, 11°; overcast

4 January, sat

	764 mmHg		80%
	4.1 m/s		+13

Climate normal

4 January, Saturday. day, 14°; night, 9°; partly cloudy

5 January, sun

	762 mmHg		76%
	4.7 m/s		+13

Climate normal

5 January, Sunday. day, 15°; night, 11°; mostly clear

6 January, mon

	763 mmHg		76%
	5.2 m/s		+13

Climate normal

6 January, Monday. day, 14°; night, 11°; partly cloudy

7 January, tue

	761 mmHg		70%
	5.2 m/s		+13

Climate normal

7 January, Tuesday. day, 15°; night, 11°; partly cloudy

8 January, wed

	760 mmHg		63%
	5.7 m/s		+11

Climate normal

8 January, Wednesday. day, 12°; night, 6°; mostly clear

9 January, thu

	760 mmHg		59%
	5.9 m/s		+7

Climate normal

9 January, Thursday. day, 8°; night, 5°; clear

10 January, fri

	766 mmHg		56%
	3.3 m/s		+7

Climate normal

10 January, Friday. day, 8°; night, 5°; clear

11 January, sat

	771 mmHg		58%
	4.3 m/s		+8

Climate normal

11 January, Saturday. day, 9°; night, 5°; clear

12 January, sun

	771 mmHg		57%
	4 m/s		+8

Climate normal

12 January, Sunday. day, 9°; night, 6°; clear

13 January, mon

	768 mmHg		64%
	3.8 m/s		+8

Climate normal

13 January, Monday. day, 9°; night, 7°; mostly clear

14 January, tue

	765 mmHg		73%
	4.9 m/s		+9

Climate normal

14 January, Tuesday. day, 11°; night, 8°; clear

15 January, wed

	764 mmHg		79%
	4.5 m/s		+10

Climate normal

15 January, Wednesday. day, 11°; night, 11°; clear

16 January, thu

	762 mmHg		90%
	12 m/s		+11

Climate normal

16 January, Thursday. day, 13°; night, 11°; rain

17 January, fri

	767 mmHg		78%
	3.9 m/s		+11

Climate normal

17 January, Friday. day, 12°; night, 9°; mostly clear

18 January, sat

	767 mmHg		75%
	3.9 m/s		+11

Climate normal

18 January, Saturday. day, 12°; night, 12°; partly cloudy

19 January, sun

	762 mmHg		92%
	10.1 m/s		+12

Climate normal

19 January, Sunday. day, 14°; night, 13°; rain

20 January, mon

	767 mmHg		77%
	10.2 m/s		+11

Climate normal

20 January, Monday. day, 12°; night, 7°; mostly clear

21 January, tue

	769 mmHg		71%
	6.6 m/s		+9

Climate normal

21 January, Tuesday. day, 10°; night, 8°; clear

22 January, wed

	769 mmHg		74%
	3.5 m/s		+10

Climate normal

22 January, Wednesday. day, 13°; night, 11°; clear

23 January, thu

	768 mmHg		83%
	5.8 m/s		+11

Climate normal

23 January, Thursday. day, 13°; night, 11°; mostly clear

24 January, fri

	768 mmHg		74%
	9 m/s		+11

Climate normal

24 January, Friday. day, 12°; night, 9°; mostly clear

25 January, sat

	765 mmHg		70%
	5.8 m/s		+11

Climate normal

25 January, Saturday. day, 12°; night, 9°; mostly clear

Average for 30 days

17

sunny days

5

days with precipitation

8

cloudy days

17 sunny days; 5 days with precipitation; 8 cloudy days;

74

%

air humidity

5.2

m/s

WindNW

14

mm of precipitation

(4% of annual average)

+11

°C

Water temperature

air humidity 74%; 14 millimeters of precipitation (4% of annual average); Wind north-westerly 5.2 Meters per second; Water temperature +11°

Forecast in graphs

TemperatureWater temperatureHumidity, %Wind, m/sPressure, mmHg

SW

S

W

NW

NE

N

NE

NE

NW

N

NE

NE

N

N

NE

NE

N

NW

NW

S

S

NW

S

S

NW

N

SE

SW

NW

NW

27

Average data for 10 years

28

29

30

31

1

January

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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