Swansea weather in May 2020

Get the latest coronavirus (COVID-19) updates for the UK with current travel advice, statistics and online resources.

  • 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
  • Top deals & discounts
  • Swansea weather overview
  • Swansea climate averages by month
  • More destinations
  • Best time to go to Swansea
  • Swansea 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The May weather guide for Swansea, Wales 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.

  • Save on holidays to Wales with latest offers
  • Visit Snowdonia, Pembrokeshire & South Wales
  • Book online with Just Go Holidays today

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 sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Swansea in May 2020. Select a month to view Swansea sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st May 2020 05:47 20:40
Saturday, 16th May 2020 05:21 21:04
Sunday, 31st May 2020 05:04 21:24
  • Browse latest offers on 204 campsites in Wales
  • Filter campsites by price, star rating, facilities & activities
  • Search by travel dates & browse by map

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

Back to top

Where's hot in Wales in May?

Below are average maximum temperatures at popular destinations in Wales in May. Select a destination to see more weather parameters.

More destinations & map >>

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.