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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
+15
+12
27 April, sun
+15
+12
Feels like
+11
747 mmHg
62%
7.4
m/s
NW
+15
27 April, Sunday. day, 15°; night, 12°; partly cloudy
28
+14
+11
28 April, mon
+14
+11
Feels like
+10
748 mmHg
67%
7.4
m/s
W
+15
28 April, Monday. day, 14°; night, 11°; rain
29
+15
+12
29 April, tue
+15
+12
Feels like
+11
752 mmHg
68%
6.5
m/s
NW
+15
29 April, Tuesday. day, 15°; night, 12°; rain
30
+14
+12
30 April, wed
+14
+12
Feels like
+11
749 mmHg
69%
6.5
m/s
NW
+15
30 April, Wednesday. day, 14°; night, 12°; partly cloudy
1
+14
+11
1 May, thu
+14
+11
Feels like
+11
747 mmHg
68%
6.8
m/s
NW
+15
1 May, Thursday. day, 14°; night, 11°; partly cloudy
2
+14
+12
2 May, fri
+14
+12
Feels like
+10
748 mmHg
68%
9.1
m/s
W
+15
2 May, Friday. day, 14°; night, 12°; clear
3
+14
+10
3 May, sat
+14
+10
Feels like
+9
746 mmHg
67%
9.8
m/s
W
+15
3 May, Saturday. day, 14°; night, 10°; partly cloudy
4
+13
+11
4 May, sun
+13
+11
Feels like
+9
747 mmHg
67%
7
m/s
NW
+15
4 May, Sunday. day, 13°; night, 11°; partly cloudy
5
+13
+11
5 May, mon
+13
+11
Feels like
+9
747 mmHg
64%
7.3
m/s
NW
+14
5 May, Monday. day, 13°; night, 11°; partly cloudy
6
+13
+10
6 May, tue
+13
+10
Feels like
+8
748 mmHg
67%
8.6
m/s
W
+14
6 May, Tuesday. day, 13°; night, 10°; clear
7
+14
+11
7 May, wed
+14
+11
Feels like
+10
749 mmHg
68%
7
m/s
W
+15
7 May, Wednesday. day, 14°; night, 11°; partly cloudy
8
+14
+13
8 May, thu
+14
+13
Feels like
+10
749 mmHg
72%
6.5
m/s
W
+15
8 May, Thursday. day, 14°; night, 13°; overcast
9
+15
+12
9 May, fri
+15
+12
Feels like
+12
746 mmHg
74%
6.1
m/s
NW
+15
9 May, Friday. day, 15°; night, 12°; partly cloudy
10
+14
+10
10 May, sat
+14
+10
Feels like
+10
745 mmHg
69%
6.3
m/s
W
+14
10 May, Saturday. day, 14°; night, 10°; clear
11
+13
+11
11 May, sun
+13
+11
Feels like
+9
746 mmHg
68%
7.8
m/s
NW
+14
11 May, Sunday. day, 13°; night, 11°; partly cloudy
12
+13
+11
12 May, mon
+13
+11
Feels like
+8
745 mmHg
68%
8.1
m/s
W
+14
12 May, Monday. day, 13°; night, 11°; partly cloudy
13
+13
+12
13 May, tue
+13
+12
Feels like
+8
747 mmHg
68%
8.1
m/s
W
+14
13 May, Tuesday. day, 13°; night, 12°; clear
14
+14
+12
14 May, wed
+14
+12
Feels like
+10
748 mmHg
68%
6.6
m/s
W
+14
14 May, Wednesday. day, 14°; night, 12°; partly cloudy
15
+14
+11
15 May, thu
+14
+11
Feels like
+10
748 mmHg
69%
6.6
m/s
W
+14
15 May, Thursday. day, 14°; night, 11°; partly cloudy
16
+14
+11
16 May, fri
+14
+11
Feels like
+10
749 mmHg
68%
6.3
m/s
NW
+14
16 May, Friday. day, 14°; night, 11°; partly cloudy
17
+14
+11
17 May, sat
+14
+11
Feels like
+11
749 mmHg
68%
5.9
m/s
NW
+14
17 May, Saturday. day, 14°; night, 11°; clear
18
+14
+11
18 May, sun
+14
+11
Feels like
+10
749 mmHg
68%
6.3
m/s
NW
+14
18 May, Sunday. day, 14°; night, 11°; clear
19
+13
+11
19 May, mon
+13
+11
Feels like
+9
748 mmHg
73%
7.5
m/s
W
+14
19 May, Monday. day, 13°; night, 11°; partly cloudy
20
+13
+10
20 May, tue
+13
+10
Feels like
+9
750 mmHg
68%
6.5
m/s
W
+14
20 May, Tuesday. day, 13°; night, 10°; partly cloudy
21
+13
+11
21 May, wed
+13
+11
Feels like
+10
751 mmHg
68%
6.1
m/s
NW
+13
21 May, Wednesday. day, 13°; night, 11°; rain
22
+13
+11
22 May, thu
+13
+11
Feels like
+10
749 mmHg
72%
6.6
m/s
NW
+13
22 May, Thursday. day, 13°; night, 11°; clear
23
+13
+11
23 May, fri
+13
+11
Feels like
+8
748 mmHg
73%
7
m/s
NW
+14
23 May, Friday. day, 13°; night, 11°; overcast
24
+12
+11
24 May, sat
+12
+11
Feels like
+8
750 mmHg
72%
6.8
m/s
W
+14
24 May, Saturday. day, 12°; night, 11°; partly cloudy
25
+13
+11
25 May, sun
+13
+11
Feels like
+9
749 mmHg
72%
6.9
m/s
NW
+14
25 May, Sunday. day, 13°; night, 11°; overcast
26
+13
+11
26 May, mon
+13
+11
Feels like
+8
747 mmHg
74%
7.9
m/s
W
+14
26 May, Monday. day, 13°; night, 11°; partly cloudy
27
+12
+10
27 May, tue
+12
+10
Feels like
+8
747 mmHg
75%
7.8
m/s
W
+13
27 May, Tuesday. day, 12°; night, 10°; rain
28
+12
+10
28 May, wed
+12
+10
Feels like
+8
751 mmHg
74%
6.5
m/s
NW
+13
28 May, Wednesday. day, 12°; night, 10°; partly cloudy
29
+13
+10
29 May, thu
+13
+10
Feels like
+9
752 mmHg
74%
6.5
m/s
W
+13
29 May, Thursday. day, 13°; night, 10°; clear
30
+12
+10
30 May, fri
+12
+10
Feels like
+9
754 mmHg
73%
5.4
m/s
NW
+13
30 May, Friday. day, 12°; night, 10°; partly cloudy
31
+12
+10
31 May, sat
+12
+10
Feels like
+9
755 mmHg
75%
5.4
m/s
W
+13
31 May, Saturday. day, 12°; night, 10°; rain
Average data for 10 years
Swansea May
8
sunny days
3
days with precipitation
20
cloudy days
8 sunny days; 3 days with precipitation; 20 cloudy days;
69
%
air humidity
5.3
m/s
Wind
W
30
mm of precipitation
(7% of annual average)
+14
°C
Water temperature
air humidity 69%; 30 millimeters of precipitation (7% of annual average); Wind westerly 5.3 Meters per second; Water temperature +14°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
NW
W
W
NW
NW
W
W
W
NW
W
NW
W
W
W
W
NW
NW
NW
W
W
NW
NW
NW
W
NW
W
W
NW
W
NW
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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