Weather in Swansea in May
How warm is it in Swansea in May?
In May the typical daytime high in Swansea is 16.5 °C on average, from 14.7 °C at the start to 18.0 °C at the end of the month.
That is 3.2 °C warmer than in April and 2.7 °C cooler than in June.
The last 10 years were 1.9 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Oxford (185 km), Valley (186 km) and Dublin Phoenix Park (252 km); nearer ones count more.