Swansea weather in May 2024

Expect 15°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Swansea in May. Check more long-term weather averages for Swansea in May before you book your next holiday to Wales in 2024/2025.

  • 15°C maximum daytime temperature in May in Swansea15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Swansea15
    15 days with some rainfall
  • 8°C minimum night-time temperature in May in Swansea8
    8°C min night temperature
  • 16 hours of daylight per day in May in Swansea16
    16 hours of daylight per day
  • No heat & humidity in May in Swansea0
    No heat & humidity
  • 77 mm monthly rainfall in May in Swansea77
    77 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Swansea5
    5 (Moderate) UV index
  • 11°C sea temperature in May in Swansea11
    11°C sea temperature

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The May weather guide for Wales (Swansea) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Wales

How warm is it in Swansea in May?

Daytime temperatures usually reach 15°C in Swansea in May, falling to 8°C at night.

How sunny is it in Swansea in May?

There are normally 7 hours of bright sunshine each day in Swansea in May - that's 41% of daylight hours.

Is the sea cold around Swansea in May?

The average sea temperature around Swansea in May is 11°C.

Does it rain in Swansea in May?

There are usually 15 days with some rain in Swansea in May and the average monthly rainfall is 77mm.

Swansea May sunrise & sunset times

Browse the sunrise and sunset times for Swansea in May 2024. Select a month to view Swansea sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st May 2024 05:47 20:40
Thursday, 16th May 2024 05:21 21:04
Friday, 31st May 2024 05:04 21:24

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