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May weather forecast in Cardiff
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
+11
+8
28 April, Sunday. day, 11°; night, 8°; rain
29
+12
+8
29 April, Monday. day, 12°; night, 8°; rain
30
+12
+8
30 April, Tuesday. day, 12°; night, 8°; rain
1
+12
+8
1 May, Wednesday. day, 12°; night, 8°; rain
2
+12
+8
2 May, Thursday. day, 12°; night, 8°; partly cloudy
3
+12
+8
3 May, Friday. day, 12°; night, 8°; rain
4
+13
+9
4 May, Saturday. day, 13°; night, 9°; overcast
5
+14
+10
5 May, Sunday. day, 14°; night, 10°; rain
6
+14
+10
6 May, Monday. day, 14°; night, 10°; overcast
7
+13
+10
7 May, Tuesday. day, 13°; night, 10°; clear
8
+14
+10
8 May, Wednesday. day, 14°; night, 10°; partly cloudy
9
+14
+10
9 May, Thursday. day, 14°; night, 10°; rain
10
+14
+11
10 May, Friday. day, 14°; night, 11°; rain
11
+14
+11
11 May, Saturday. day, 14°; night, 11°; partly cloudy
12
+14
+10
12 May, Sunday. day, 14°; night, 10°; partly cloudy
13
+13
+10
13 May, Monday. day, 13°; night, 10°; partly cloudy
14
+14
+10
14 May, Tuesday. day, 14°; night, 10°; partly cloudy
15
+13
+10
15 May, Wednesday. day, 13°; night, 10°; clear
16
+13
+10
16 May, Thursday. day, 13°; night, 10°; rain
17
+14
+10
17 May, Friday. day, 14°; night, 10°; rain
18
+14
+10
18 May, Saturday. day, 14°; night, 10°; rain
19
+14
+10
19 May, Sunday. day, 14°; night, 10°; clear
20
+15
+11
20 May, Monday. day, 15°; night, 11°; clear
21
+16
+11
21 May, Tuesday. day, 16°; night, 11°; clear
22
+15
+11
22 May, Wednesday. day, 15°; night, 11°; rain
23
+16
+11
23 May, Thursday. day, 16°; night, 11°; partly cloudy
24
+17
+11
24 May, Friday. day, 17°; night, 11°; clear
25
+15
+11
25 May, Saturday. day, 15°; night, 11°; rain
26
+15
+11
26 May, Sunday. day, 15°; night, 11°; clear
27
+15
+11
27 May, Monday. day, 15°; night, 11°; rain
28
+15
+12
28 May, Tuesday. day, 15°; night, 12°; rain
29
+16
+12
29 May, Wednesday. day, 16°; night, 12°; partly cloudy
30
+17
+12
30 May, Thursday. day, 17°; night, 12°; clear
31
+17
+12
31 May, Friday. day, 17°; night, 12°; rain
1
+18
+13
1 June, Saturday. day, 18°; night, 13°; rain
Average data for 10 years
Cardiff May
8
sunny days
13
days with precipitation
10
cloudy days
8 sunny days; 13 days with precipitation; 10 cloudy days;
75
%
air humidity
5
m/s
Wind
W
59
mm of precipitation
(8% of annual average)
+14
°C
Water temperature
air humidity 75%; 59 millimeters of precipitation (8% of annual average); Wind westerly 5 Meters per second; Water temperature +14°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
NE
NW
SW
S
SW
S
S
SW
S
W
W
W
NW
W
W
W
SW
W
W
SW
SW
W
NW
NE
N
NW
W
W
NW
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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