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May 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

28 April, sun

	761 mmHg		63%
	7.3 m/s		+11

28 April, Sunday. day, 11°; night, 9°; rain

29 April, mon

	763 mmHg		64%
	6 m/s		+11

29 April, Monday. day, 11°; night, 9°; rain

30 April, tue

	762 mmHg		69%
	5.5 m/s		+11

30 April, Tuesday. day, 11°; night, 8°; partly cloudy

1 May, wed

	761 mmHg		75%
	5 m/s		+11

1 May, Wednesday. day, 12°; night, 9°; overcast

2 May, thu

	761 mmHg		76%
	5.5 m/s		+12

2 May, Thursday. day, 12°; night, 10°; clear

3 May, fri

	761 mmHg		75%
	5.1 m/s		+12

3 May, Friday. day, 13°; night, 10°; overcast

4 May, sat

	760 mmHg		79%
	6.4 m/s		+11

4 May, Saturday. day, 11°; night, 10°; rain

5 May, sun

	758 mmHg		74%
	6 m/s		+12

5 May, Sunday. day, 14°; night, 9°; partly cloudy

6 May, mon

	759 mmHg		73%
	5.9 m/s		+14

6 May, Monday. day, 15°; night, 10°; partly cloudy

7 May, tue

	759 mmHg		77%
	5.8 m/s		+13

7 May, Tuesday. day, 12°; night, 11°; clear

8 May, wed

	758 mmHg		77%
	5.6 m/s		+12

8 May, Wednesday. day, 13°; night, 10°; rain

9 May, thu

	758 mmHg		74%
	6.5 m/s		+13

9 May, Thursday. day, 14°; night, 10°; rain

10 May, fri

	759 mmHg		72%
	6.5 m/s		+13

10 May, Friday. day, 14°; night, 11°; partly cloudy

11 May, sat

	760 mmHg		68%
	5 m/s		+14

11 May, Saturday. day, 15°; night, 10°; partly cloudy

12 May, sun

	762 mmHg		63%
	6 m/s		+13

12 May, Sunday. day, 13°; night, 10°; partly cloudy

13 May, mon

	761 mmHg		73%
	5.9 m/s		+14

13 May, Monday. day, 14°; night, 10°; clear

14 May, tue

	759 mmHg		74%
	6.3 m/s		+14

14 May, Tuesday. day, 15°; night, 12°; overcast

15 May, wed

	759 mmHg		70%
	6.6 m/s		+14

15 May, Wednesday. day, 16°; night, 12°; rain

16 May, thu

	760 mmHg		70%
	6 m/s		+15

16 May, Thursday. day, 16°; night, 12°; overcast

17 May, fri

	762 mmHg		69%
	5.6 m/s		+15

17 May, Friday. day, 15°; night, 12°; overcast

18 May, sat

	761 mmHg		75%
	6 m/s		+14

18 May, Saturday. day, 15°; night, 12°; clear

19 May, sun

	760 mmHg		67%
	5.5 m/s		+15

19 May, Sunday. day, 16°; night, 12°; clear

20 May, mon

	761 mmHg		67%
	6 m/s		+15

20 May, Monday. day, 16°; night, 13°; partly cloudy

21 May, tue

	761 mmHg		75%
	4.6 m/s		+14

21 May, Tuesday. day, 15°; night, 12°; rain

22 May, wed

	760 mmHg		81%
	5 m/s		+14

22 May, Wednesday. day, 14°; night, 11°; rain

23 May, thu

	758 mmHg		76%
	5.1 m/s		+16

23 May, Thursday. day, 19°; night, 13°; rain

24 May, fri

	760 mmHg		77%
	6.1 m/s		+15

24 May, Friday. day, 16°; night, 14°; rain

25 May, sat

	759 mmHg		73%
	6.4 m/s		+17

25 May, Saturday. day, 19°; night, 13°; rain

26 May, sun

	760 mmHg		75%
	6 m/s		+17

26 May, Sunday. day, 18°; night, 14°; partly cloudy

27 May, mon

	762 mmHg		81%
	6 m/s		+16

27 May, Monday. day, 15°; night, 13°; clear

28 May, tue

	762 mmHg		80%
	4.5 m/s		+16

28 May, Tuesday. day, 17°; night, 13°; rain

29 May, wed

	760 mmHg		75%
	5.4 m/s		+18

29 May, Wednesday. day, 19°; night, 13°; rain

30 May, thu

	761 mmHg		75%
	5.3 m/s		+17

30 May, Thursday. day, 18°; night, 14°; rain

31 May, fri

	759 mmHg		70%
	5.9 m/s		+18

31 May, Friday. day, 20°; night, 15°; rain

1 June, sat

	759 mmHg		69%
	6.1 m/s		+17

1 June, Saturday. day, 18°; night, 15°; partly cloudy

Average data for 10 years

Portsmouth May

6

sunny days

13

days with precipitation

12

cloudy days

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

74

%

air humidity

4

m/s

WindSW

71

mm of precipitation

(8% of annual average)

+14

°C

Water temperature

air humidity 74%; 71 millimeters of precipitation (8% of annual average); Wind south-westerly 4 Meters per second; Water temperature +14°

Weather graphs for May

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

S

S

S

NE

SW

S

E

W

NW

N

W

NW

E

SW

W

SW

E

N

W

S

S

S

SW

NE

SW

S

E

SE

SW

S

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

Boston
Montreal
Islandia
Quebec
Manchester
Portland
Nantucket
Lawrence
Jamaica

Cities with similar weather in May

Riga
Yurmala
Toronto
Copenhagen
Vancouver
Gdansk
Montreal
Bruges
Narva

The weather forecast for May 2024 is based on historical data from the past 10 years.

May in Portsmouth is the rainiest and the cloudiest month of the year. In May, the weather in Portsmouth is typically warm. Average daily high temperature in May is about 15 degrees above zero. On average, Portsmouth has 13 rainy, 7 partly cloudy, 6 sunny, and 5 cloudy days in May. The rains are usually moderate.

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