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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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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.
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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.
JanFebMarAprMayJunJulAugSepOctNovDec
| 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
- Aberaeron
- Abergavenny
- Aberystwyth
- Bangor
- Barmouth
- Betws-y-Coed
- Brecon
- Builth Wells
- Caernarfon
- Camarthen
- Chepstow
- Colwyn Bay
- Cowbridge
- Fishguard
- Gower Peninsula
- Haverfordwest
- Hay-on-Wye
- Holyhead
- Lake Vyrnwy
- Llangollen
- Machynlleth
- Monmouth
- Pembroke
- Porthmadog
- Pwllheli
- Rhayader
- Rhyl
- St Davids
- Swansea
- Tenby
- Welshpool
- Wrexham
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