This page presents a long range weather forecast for Swansea in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Swansea extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
12° / 8°
Thursday
May 2
11° / 9°
Friday
May 3
10° / 9°
Saturday
May 4
13° / 9°
Sunday
May 5
15° / 8°
Monday
May 6
15° / 10°
Tuesday
May 7
16° / 10°
Wednesday
May 8
17° / 10°
Thursday
May 9
15° / 11°
Friday
May 10
16° / 11°
Saturday
May 11
15° / 10°
Sunday
May 12
16° / 9°
Monday
May 13
17° / 10°
Tuesday
May 14
13° / 10°
Wednesday
May 15
14° / 9°
Thursday
May 16
14° / 8°
Friday
May 17
14° / 9°
Saturday
May 18
14° / 10°
Sunday
May 19
15° / 10°
Monday
May 20
15° / 9°
Tuesday
May 21
15° / 10°
Wednesday
May 22
14° / 10°
Thursday
May 23
13° / 8°
Friday
May 24
15° / 10°
Saturday
May 25
15° / 10°
Sunday
May 26
14° / 10°
Monday
May 27
16° / 10°
Tuesday
May 28
16° / 9°
Wednesday
May 29
16° / 10°
Thursday
May 30
16° / 10°
Friday
May 31
16° / 11°
Swansea 30 days weather forecast
Check out our estimated 30 days weather forecast for Swansea, this data is based on the average weather in Swansea in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Swansea next to the desired date.