Average data for 10 years
1 May
Wednesday
+11°
+6°
2 May
Thursday
+11°
+7°
3 May
Friday
+11°
+7°
4 May
Saturday
+12°
+8°
5 May
Sunday
+12°
+8°
6 May
Monday
+13°
+9°
7 May
Tuesday
+12°
+9°
8 May
Wednesday
+13°
+8°
9 May
Thursday
+13°
+9°
10 May
Friday
+12°
+10°
11 May
Saturday
+12°
+9°
12 May
Sunday
+13°
+8°
13 May
Monday
+11°
+8°
14 May
Tuesday
+12°
+8°
15 May
Wednesday
+12°
+8°
16 May
Thursday
+12°
+8°
17 May
Friday
+12°
+8°
18 May
Saturday
+12°
+8°
19 May
Sunday
+12°
+8°
20 May
Monday
+14°
+9°
21 May
Tuesday
+14°
+10°
22 May
Wednesday
+14°
+9°
23 May
Thursday
+15°
+10°
24 May
Friday
+15°
+9°
25 May
Saturday
+13°
+10°
26 May
Sunday
+13°
+9°
27 May
Monday
+14°
+9°
28 May
Tuesday
+14°
+11°
29 May
Wednesday
+15°
+11°
30 May
Thursday
+16°
+11°
31 May
Friday
+15°
+10°
Cities near you
United Kingdom
London
Ireland
Dublin
United Kingdom
Manchester
United Kingdom
Liverpool
Ireland
Wicklow
Cities with similar weather in May
Finland
Helsinki
Estonia
Tallinn
Sweden
Stockholm
Norway
Oslo
Lithuania
Palanga
In May, the weather in Merthyr Tydfil is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Merthyr Tydfil has 23 rainy, 5 sunny, 2 cloudy, and 1 partly cloudy day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Merthyr Tydfil.