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Wales weather in May 2021
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Below are average maximum temperatures at popular destinations in Wales in May. Select a destination to see more weather parameters.
The May weather guide for 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.
Wales holiday rentals
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Wales camping & hostels
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Wales holiday parks
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UK & Ireland holidays
How warm is it in Wales in May?
Daytime temperatures usually reach 16°C in Cardiff, Wales in May, falling to 7°C at night.
How sunny is it in Wales in May?
There are normally 6 hours of bright sunshine each day in Cardiff, Wales in May - that's 41% of daylight hours.
How warm is the sea around Wales in May?
The average sea temperature around Cardiff, Wales in May is 12°C.
Does it rain in Wales in May?
There are usually 15 days with some rain in Cardiff, Wales in May and the average monthly rainfall is 65mm.
Wales sunrise & sunset times for May 2021
Browse the sunrise & sunset times for Wales in May 2021. Select a month to view Wales sunrise & sunset times for the next twelve months. The Wales sunrise & sunset times shown below are for Cardiff.
|Date||Sunrise times||Sunset times|
|Saturday, 1st May 2021||05:44||20:36|
|Sunday, 16th May 2021||05:19||21:00|
|Monday, 31st May 2021||05:02||21:19|
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Metric (°C / mm) | Imperial (°F / inches)
More Wales destinations
- Builth Wells
- Colwyn Bay
- Gower Peninsula
- Lake Vyrnwy
- St Davids
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