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14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Llantwit Major, UKL2
Content continues below
May
Average Temperature
High
14°
Feels 12
Low
8°
Feels 6
Average Precipitation
12 Days
Rain amount
65.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
13°
18
14°
19
16°
20
16°
21
18°
22
21°
23
20°
24
22°
25
21°
26
21°
27
20°
28
20°
29
18°
30
18°
31
17°
Forecast
Sunday, May 17, 2026
Day
13°
Feels 11
Wind
31 km/h W
Gust
47 km/h
Humidity
68%
P.O.P
40%
Rain
<1 mm
Night
8°
Feels 4
Wind
30 km/h W
Gust
45 km/h
Humidity
89%
P.O.P
90%
Rain
~15 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.