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January weather forecast in Half Moon Bay

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

	755 mmHg		82%
	5.7 m/s		+12

29 December, Sunday. day, 13°; night, 9°; rain

30 December, mon

	755 mmHg		85%
	5.5 m/s		+12

30 December, Monday. day, 13°; night, 9°; rain

31 December, tue

	755 mmHg		81%
	6.1 m/s		+12

31 December, Tuesday. day, 12°; night, 9°; overcast

1 January, wed

	755 mmHg		80%
	6.1 m/s		+12

1 January, Wednesday. day, 12°; night, 9°; clear

2 January, thu

	755 mmHg		81%
	5 m/s		+12

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

3 January, fri

	755 mmHg		82%
	5 m/s		+12

3 January, Friday. day, 12°; night, 9°; rain

4 January, sat

	755 mmHg		84%
	5.8 m/s		+12

4 January, Saturday. day, 13°; night, 9°; overcast

5 January, sun

	756 mmHg		81%
	5.8 m/s		+12

5 January, Sunday. day, 13°; night, 9°; rain

6 January, mon

	757 mmHg		81%
	5.1 m/s		+12

6 January, Monday. day, 12°; night, 9°; partly cloudy

7 January, tue

	755 mmHg		84%
	5.9 m/s		+12

7 January, Tuesday. day, 13°; night, 9°; partly cloudy

8 January, wed

	755 mmHg		85%
	5.7 m/s		+12

8 January, Wednesday. day, 13°; night, 10°; overcast

9 January, thu

	755 mmHg		85%
	6.3 m/s		+12

9 January, Thursday. day, 13°; night, 10°; rain

10 January, fri

	755 mmHg		85%
	5.9 m/s		+12

10 January, Friday. day, 13°; night, 9°; overcast

11 January, sat

	755 mmHg		84%
	5.8 m/s		+12

11 January, Saturday. day, 13°; night, 9°; rain

12 January, sun

	756 mmHg		83%
	5.5 m/s		+12

12 January, Sunday. day, 13°; night, 9°; partly cloudy

13 January, mon

	757 mmHg		80%
	5.1 m/s		+12

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

14 January, tue

	757 mmHg		82%
	5.2 m/s		+12

14 January, Tuesday. day, 13°; night, 9°; overcast

15 January, wed

	756 mmHg		82%
	5 m/s		+12

15 January, Wednesday. day, 13°; night, 9°; partly cloudy

16 January, thu

	756 mmHg		80%
	5.5 m/s		+12

16 January, Thursday. day, 13°; night, 9°; clear

17 January, fri

	757 mmHg		80%
	5.1 m/s		+12

17 January, Friday. day, 13°; night, 9°; clear

18 January, sat

	756 mmHg		83%
	5 m/s		+12

18 January, Saturday. day, 13°; night, 9°; overcast

19 January, sun

	755 mmHg		82%
	5.8 m/s		+12

19 January, Sunday. day, 13°; night, 10°; partly cloudy

20 January, mon

	754 mmHg		82%
	5.6 m/s		+12

20 January, Monday. day, 13°; night, 9°; clear

21 January, tue

	754 mmHg		82%
	5.5 m/s		+12

21 January, Tuesday. day, 13°; night, 9°; rain

22 January, wed

	755 mmHg		81%
	6.2 m/s		+12

22 January, Wednesday. day, 13°; night, 9°; rain

23 January, thu

	755 mmHg		81%
	5.5 m/s		+12

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

24 January, fri

	755 mmHg		84%
	4.9 m/s		+12

24 January, Friday. day, 13°; night, 9°; rain

25 January, sat

	755 mmHg		83%
	5.4 m/s		+12

25 January, Saturday. day, 13°; night, 9°; rain

26 January, sun

	755 mmHg		83%
	5.5 m/s		+12

26 January, Sunday. day, 13°; night, 10°; rain

27 January, mon

	756 mmHg		82%
	5.1 m/s		+12

27 January, Monday. day, 13°; night, 9°; partly cloudy

28 January, tue

	757 mmHg		84%
	4.8 m/s		+12

28 January, Tuesday. day, 13°; night, 9°; clear

29 January, wed

	757 mmHg		84%
	4.9 m/s		+12

29 January, Wednesday. day, 13°; night, 9°; partly cloudy

30 January, thu

	756 mmHg		82%
	5.3 m/s		+12

30 January, Thursday. day, 13°; night, 9°; partly cloudy

31 January, fri

	755 mmHg		82%
	5.5 m/s		+12

31 January, Friday. day, 13°; night, 9°; partly cloudy

1 February, sat

	755 mmHg		82%
	6 m/s		+12

1 February, Saturday. day, 13°; night, 9°; partly cloudy

Average data for 10 years

Half Moon Bay January

6

sunny days

11

days with precipitation

10

cloudy days

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

82

%

air humidity

3.5

m/s

WindS

110

mm of precipitation

(20% of annual average)

+12

°C

Water temperature

air humidity 82%; 110 millimeters of precipitation (20% of annual average); Wind southerly 3.5 Meters per second; Water temperature +12°

Weather graphs for January

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

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

SW

SW

S

S

SW

SW

SW

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
Stanford
San Luis Obispo

Cities with similar weather in January

Alanya
Side
Tunis
Belek
Larnaca
Paphos
Lisbon
Jerba
Limassol

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

January in Half Moon Bay is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Half Moon Bay is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Half Moon Bay has 11 rainy, 9 partly cloudy, 6 sunny, and 5 cloudy days in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Half Moon Bay.

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