Average data for 10 years
1 May
Thursday
+15°
+8°
2 May
Friday
+15°
+8°
3 May
Saturday
+14°
+8°
4 May
Sunday
+14°
+7°
5 May
Monday
+14°
+7°
6 May
Tuesday
+14°
+7°
7 May
Wednesday
+14°
+7°
8 May
Thursday
+14°
+8°
9 May
Friday
+14°
+8°
10 May
Saturday
+14°
+7°
11 May
Sunday
+13°
+7°
12 May
Monday
+14°
+7°
13 May
Tuesday
+14°
+7°
14 May
Wednesday
+14°
+7°
15 May
Thursday
+14°
+7°
16 May
Friday
+14°
+7°
17 May
Saturday
+14°
+6°
18 May
Sunday
+13°
+7°
19 May
Monday
+14°
+7°
20 May
Tuesday
+13°
+6°
21 May
Wednesday
+13°
+7°
22 May
Thursday
+13°
+7°
23 May
Friday
+13°
+7°
24 May
Saturday
+13°
+7°
25 May
Sunday
+13°
+7°
26 May
Monday
+13°
+6°
27 May
Tuesday
+12°
+7°
28 May
Wednesday
+13°
+7°
29 May
Thursday
+12°
+7°
30 May
Friday
+12°
+6°
31 May
Saturday
+12°
+6°
Cities with similar weather in May
Estonia
Tallinn
Sweden
Stockholm
Lithuania
Palanga
Ireland
Dublin
Denmark
Copenhagen
In May, the weather in Swansea is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Swansea has 12 partly cloudy, 7 rainy, 7 sunny, and 5 cloudy days in May. The rains are usually light. May as well as June, July, August, and September is considered the most uncomfortable time to visit Swansea.