Hike the South West Coast Path
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Swansea Weather in May
May in Swansea brings moderate temperatures, with daytime highs of 16°C (61°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 86 mm (3.4 in), so pack an umbrella.
Rainfall in Swansea in May
Historically, the month has about 15 days of rain, averaging 86 mm (3.4 in) in total. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Swansea in May
If you're visiting Swansea in May, expect highs of 16°C (61°F) and overnight lows around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Swansea in May
There are approximately 197 hours of sunshine this month, resulting in mostly clear days.If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Swansea.
Swansea Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
16°C (61°F)
Chance of Rain
51%
Precipitation
86 mm (3.4 in)
Rainy days
15 days
Humidity
74% *
Sunshine
197 hours *
Percentage Sunshine
41% *
* Data from: Cardiff, the United Kingdom (48 KM, 29 Miles).
Swansea Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Swansea - and find the best time to visit.
Best Places in the United Kingdom in May
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Swansea in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Swansea in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Swansea 3-Day Forecast
More climate data for Swansea
Temperature Rainfall Sunshine Humidity
See the full Swansea climate overview or explore weather in the United Kingdom.
Popular in May
Where to go in May - average daytime high across popular destinations.
London
18°C (64°F) Bath17°C (63°F) Manchester
17°C (63°F) York17°C (63°F) Torquay15°C (59°F) Glasgow15°C (59°F) Edinburgh15°C (59°F) Blackpool14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Hike the South West Coast Path
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