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May weather forecast in Swansea
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
27
+11
+8
27 April, sun
+11
+8
Feels like
+7
741 mmHg
74%
5.6
m/s
W
+10
27 April, Sunday. day, 11°; night, 8°; clear
28
+11
+8
28 April, mon
+11
+8
Feels like
+7
740 mmHg
77%
6.4
m/s
SW
+10
28 April, Monday. day, 11°; night, 8°; clear
29
+11
+8
29 April, tue
+11
+8
Feels like
+6
737 mmHg
76%
8.1
m/s
E
+10
29 April, Tuesday. day, 11°; night, 8°; rain
30
+12
+8
30 April, wed
+12
+8
Feels like
+7
739 mmHg
75%
6.5
m/s
E
+10
30 April, Wednesday. day, 12°; night, 8°; rain
1
+12
+8
1 May, thu
+12
+8
Feels like
+8
744 mmHg
75%
6.8
m/s
E
+10
1 May, Thursday. day, 12°; night, 8°; overcast
2
+12
+8
2 May, fri
+12
+8
Feels like
+8
745 mmHg
74%
7
m/s
SW
+10
2 May, Friday. day, 12°; night, 8°; overcast
3
+12
+9
3 May, sat
+12
+9
Feels like
+7
745 mmHg
73%
6.5
m/s
S
+10
3 May, Saturday. day, 12°; night, 9°; clear
4
+13
+9
4 May, sun
+13
+9
Feels like
+8
742 mmHg
79%
7.4
m/s
S
+10
4 May, Sunday. day, 13°; night, 9°; rain
5
+14
+9
5 May, mon
+14
+9
Feels like
+10
741 mmHg
74%
6.4
m/s
SW
+11
5 May, Monday. day, 14°; night, 9°; clear
6
+14
+10
6 May, tue
+14
+10
Feels like
+10
741 mmHg
72%
7
m/s
S
+11
6 May, Tuesday. day, 14°; night, 10°; rain
7
+13
+10
7 May, wed
+13
+10
Feels like
+9
740 mmHg
79%
7.8
m/s
S
+11
7 May, Wednesday. day, 13°; night, 10°; rain
8
+14
+10
8 May, thu
+14
+10
Feels like
+9
740 mmHg
72%
8.3
m/s
SW
+11
8 May, Thursday. day, 14°; night, 10°; rain
9
+14
+10
9 May, fri
+14
+10
Feels like
+10
740 mmHg
80%
7
m/s
S
+11
9 May, Friday. day, 14°; night, 10°; clear
10
+13
+11
10 May, sat
+13
+11
Feels like
+9
740 mmHg
77%
7.4
m/s
SW
+11
10 May, Saturday. day, 13°; night, 11°; rain
11
+13
+10
11 May, sun
+13
+10
Feels like
+9
742 mmHg
75%
6.8
m/s
W
+11
11 May, Sunday. day, 13°; night, 10°; rain
12
+14
+10
12 May, mon
+14
+10
Feels like
+10
743 mmHg
70%
6
m/s
W
+11
12 May, Monday. day, 14°; night, 10°; partly cloudy
13
+13
+10
13 May, tue
+13
+10
Feels like
+9
743 mmHg
77%
6.8
m/s
S
+11
13 May, Tuesday. day, 13°; night, 10°; rain
14
+13
+10
14 May, wed
+13
+10
Feels like
+10
745 mmHg
76%
6.5
m/s
W
+11
14 May, Wednesday. day, 13°; night, 10°; partly cloudy
15
+12
+10
15 May, thu
+12
+10
Feels like
+8
744 mmHg
76%
7
m/s
W
+11
15 May, Thursday. day, 12°; night, 10°; rain
16
+13
+10
16 May, fri
+13
+10
Feels like
+9
744 mmHg
75%
5.5
m/s
W
+11
16 May, Friday. day, 13°; night, 10°; rain
17
+13
+10
17 May, sat
+13
+10
Feels like
+9
741 mmHg
77%
6.4
m/s
SW
+11
17 May, Saturday. day, 13°; night, 10°; rain
18
+13
+10
18 May, sun
+13
+10
Feels like
+9
740 mmHg
76%
5.8
m/s
W
+11
18 May, Sunday. day, 13°; night, 10°; rain
19
+13
+9
19 May, mon
+13
+9
Feels like
+10
743 mmHg
80%
5.6
m/s
SW
+12
19 May, Monday. day, 13°; night, 9°; clear
20
+15
+10
20 May, tue
+15
+10
Feels like
+11
744 mmHg
74%
6.1
m/s
SW
+12
20 May, Tuesday. day, 15°; night, 10°; partly cloudy
21
+15
+11
21 May, wed
+15
+11
Feels like
+11
743 mmHg
77%
6.6
m/s
SW
+12
21 May, Wednesday. day, 15°; night, 11°; clear
22
+15
+11
22 May, thu
+15
+11
Feels like
+11
743 mmHg
76%
6.3
m/s
W
+12
22 May, Thursday. day, 15°; night, 11°; rain
23
+15
+11
23 May, fri
+15
+11
Feels like
+13
745 mmHg
74%
5
m/s
NW
+12
23 May, Friday. day, 15°; night, 11°; partly cloudy
24
+16
+11
24 May, sat
+16
+11
Feels like
+13
745 mmHg
73%
6
m/s
E
+12
24 May, Saturday. day, 16°; night, 11°; partly cloudy
25
+14
+12
25 May, sun
+14
+12
Feels like
+10
743 mmHg
75%
6.9
m/s
N
+12
25 May, Sunday. day, 14°; night, 12°; rain
26
+14
+11
26 May, mon
+14
+11
Feels like
+9
742 mmHg
76%
8.1
m/s
W
+12
26 May, Monday. day, 14°; night, 11°; clear
27
+15
+11
27 May, tue
+15
+11
Feels like
+12
742 mmHg
79%
6.3
m/s
W
+12
27 May, Tuesday. day, 15°; night, 11°; rain
28
+15
+12
28 May, wed
+15
+12
Feels like
+12
741 mmHg
82%
5.6
m/s
W
+12
28 May, Wednesday. day, 15°; night, 12°; rain
29
+16
+12
29 May, thu
+16
+12
Feels like
+13
743 mmHg
74%
5.4
m/s
NW
+12
29 May, Thursday. day, 16°; night, 12°; rain
30
+17
+12
30 May, fri
+17
+12
Feels like
+15
746 mmHg
74%
5
m/s
W
+13
30 May, Friday. day, 17°; night, 12°; clear
31
+16
+12
31 May, sat
+16
+12
Feels like
+13
747 mmHg
75%
6.4
m/s
W
+13
31 May, Saturday. day, 16°; night, 12°; rain
Average data for 10 years
Swansea May
7
sunny days
17
days with precipitation
7
cloudy days
7 sunny days; 17 days with precipitation; 7 cloudy days;
75
%
air humidity
5
m/s
Wind
SW
76
mm of precipitation
(7% of annual average)
+11
°C
Water temperature
air humidity 75%; 76 millimeters of precipitation (7% of annual average); Wind south-westerly 5 Meters per second; Water temperature +11°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
E
SW
S
S
SW
S
S
SW
S
SW
W
W
S
W
W
W
SW
W
SW
SW
SW
W
NW
E
N
W
W
W
NW
W
W
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
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