Average data for 10 years
1 May
Wednesday
+12°
+8°
2 May
Thursday
+12°
+8°
3 May
Friday
+12°
+9°
4 May
Saturday
+13°
+9°
5 May
Sunday
+14°
+9°
6 May
Monday
+14°
+10°
7 May
Tuesday
+13°
+10°
8 May
Wednesday
+14°
+10°
9 May
Thursday
+14°
+10°
10 May
Friday
+13°
+11°
11 May
Saturday
+13°
+10°
12 May
Sunday
+14°
+10°
13 May
Monday
+13°
+10°
14 May
Tuesday
+13°
+10°
15 May
Wednesday
+12°
+10°
16 May
Thursday
+13°
+10°
17 May
Friday
+13°
+10°
18 May
Saturday
+13°
+10°
19 May
Sunday
+13°
+9°
20 May
Monday
+15°
+10°
21 May
Tuesday
+15°
+11°
22 May
Wednesday
+15°
+11°
23 May
Thursday
+15°
+11°
24 May
Friday
+16°
+11°
25 May
Saturday
+14°
+12°
26 May
Sunday
+14°
+11°
27 May
Monday
+15°
+11°
28 May
Tuesday
+15°
+12°
29 May
Wednesday
+16°
+12°
30 May
Thursday
+17°
+12°
31 May
Friday
+16°
+12°
Cities near you
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Dublin
United Kingdom
Birmingham
United Kingdom
Manchester
United Kingdom
Trowbridge
In May, the weather in Swansea is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Swansea has 17 rainy, 7 sunny, 5 partly cloudy, and 2 cloudy days in May. The rains are usually moderate. May as well as January, February, March, and August is considered the most uncomfortable time to visit Swansea.