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January weather forecast in Portsmouth

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

	756 mmHg		89%
	6.3 m/s		+10

29 December, Sunday. day, 7°; night, 2°; rain

30 December, mon

	756 mmHg		91%
	6.6 m/s		+10

30 December, Monday. day, 8°; night, 3°; rain

31 December, tue

	756 mmHg		90%
	6.8 m/s		+10

31 December, Tuesday. day, 7°; night, 4°; overcast

1 January, wed

	755 mmHg		89%
	6.9 m/s		+9

1 January, Wednesday. day, 7°; night, 3°; rain

2 January, thu

	756 mmHg		87%
	6.9 m/s		+9

2 January, Thursday. day, 7°; night, 3°; clear

3 January, fri

	757 mmHg		87%
	7.1 m/s		+9

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

4 January, sat

	756 mmHg		88%
	6.7 m/s		+9

4 January, Saturday. day, 7°; night, 2°; overcast

5 January, sun

	756 mmHg		88%
	6.2 m/s		+9

5 January, Sunday. day, 7°; night, 2°; partly cloudy

6 January, mon

	757 mmHg		89%
	6.2 m/s		+9

6 January, Monday. day, 7°; night, 2°; rain

7 January, tue

	758 mmHg		88%
	6.8 m/s		+9

7 January, Tuesday. day, 7°; night, 3°; partly cloudy

8 January, wed

	757 mmHg		88%
	6.8 m/s		+9

8 January, Wednesday. day, 7°; night, 3°; rain

9 January, thu

	757 mmHg		88%
	6.7 m/s		+9

9 January, Thursday. day, 7°; night, 3°; clear

10 January, fri

	758 mmHg		89%
	6.2 m/s		+9

10 January, Friday. day, 7°; night, 2°; overcast

11 January, sat

	759 mmHg		88%
	6.8 m/s		+9

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

12 January, sun

	759 mmHg		88%
	7.1 m/s		+9

12 January, Sunday. day, 8°; night, 3°; rain

13 January, mon

	757 mmHg		87%
	6.7 m/s		+9

13 January, Monday. day, 8°; night, 3°; rain

14 January, tue

	757 mmHg		86%
	6.6 m/s		+9

14 January, Tuesday. day, 7°; night, 3°; rain

15 January, wed

	756 mmHg		87%
	7.1 m/s		+9

15 January, Wednesday. day, 7°; night, 3°; clear

16 January, thu

	755 mmHg		88%
	6.6 m/s		+9

16 January, Thursday. day, 7°; night, 3°; rain

17 January, fri

	755 mmHg		88%
	6.1 m/s		+9

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

18 January, sat

	756 mmHg		87%
	6.5 m/s		+9

18 January, Saturday. day, 7°; night, 2°; rain

19 January, sun

	756 mmHg		88%
	6 m/s		+9

19 January, Sunday. day, 7°; night, 2°; partly cloudy

20 January, mon

	757 mmHg		86%
	6.3 m/s		+8

20 January, Monday. day, 7°; night, 2°; clear

21 January, tue

	758 mmHg		87%
	6.4 m/s		+8

21 January, Tuesday. day, 6°; night, 1°; overcast

22 January, wed

	757 mmHg		88%
	6.1 m/s		+9

22 January, Wednesday. day, 7°; night, 2°; rain

23 January, thu

	758 mmHg		88%
	6.2 m/s		+9

23 January, Thursday. day, 6°; night, 2°; overcast

24 January, fri

	760 mmHg		87%
	5.8 m/s		+9

24 January, Friday. day, 7°; night, 1°; partly cloudy

25 January, sat

	760 mmHg		88%
	6.5 m/s		+9

25 January, Saturday. day, 7°; night, 1°; overcast

26 January, sun

	759 mmHg		86%
	6.9 m/s		+9

26 January, Sunday. day, 7°; night, 2°; partly cloudy

27 January, mon

	759 mmHg		87%
	6.1 m/s		+9

27 January, Monday. day, 7°; night, 1°; partly cloudy

28 January, tue

	758 mmHg		84%
	6.9 m/s		+8

28 January, Tuesday. day, 7°; night, 2°; overcast

29 January, wed

	757 mmHg		86%
	6.6 m/s		+8

29 January, Wednesday. day, 7°; night, 3°; overcast

30 January, thu

	758 mmHg		85%
	6.1 m/s		+8

30 January, Thursday. day, 6°; night, 2°; overcast

31 January, fri

	757 mmHg		85%
	6.9 m/s		+8

31 January, Friday. day, 7°; night, 2°; overcast

1 February, sat

	757 mmHg		84%
	6.5 m/s		+8

1 February, Saturday. day, 7°; night, 3°; overcast

Average data for 10 years

Portsmouth January

4

sunny days

12

days with precipitation

13

cloudy days

4 sunny days; 12 days with precipitation; 13 cloudy days;

87

%

air humidity

4.69

m/s

WindS

72

mm of precipitation

(9% of annual average)

+9

°C

Water temperature

air humidity 87%; 72 millimeters of precipitation (9% of annual average); Wind southerly 4.69 Meters per second; Water temperature +9°

Weather graphs for January

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

SW

S

S

SW

S

S

SW

S

S

S

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

S

S

S

S

SW

SW

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

Paris
London
Manchester
Liverpool
Trowbridge
Looe
Bristol
Plymouth
Nantes

Cities with similar weather in January

Gagra
Suhum
Baku
Pitsunda
Tokyo
New Athos
The Sunny Beach
Shanghai
Podgorica

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

January in Portsmouth is the windiest and the coldest month of the year. In January, the weather in Portsmouth is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Portsmouth has 11 rainy, 9 cloudy, 7 partly cloudy, and 4 sunny days in January. The rains are usually moderate. January as well as February, March, April, and October is considered the most uncomfortable time to visit Portsmouth.

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