Wales weather in August 2023

20
20°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
12
12°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
81
81 mm of monthly rainfall
6
6 (High) UV index
18
18°C sea temperature

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

Wales regions

Pembrokeshire

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Recommended for Wales

The August weather guide for Wales (Cardiff) 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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Metric (°C / mm) | Imperial (°F / inches)

More about the UK

How hot is it in Wales in August?

Daytime temperatures usually reach 20°C in Cardiff, Wales in August, falling to 12°C at night.

How sunny is it in Wales in August?

There are normally 6 hours of bright sunshine each day in Cardiff, Wales in August - that's 41% of daylight hours.

How warm is the sea around Wales in August?

The average sea temperature around Cardiff, Wales in August is 18°C.

Does it rain in Wales in August?

There are usually 15 days with some rain in Cardiff, Wales in August and the average monthly rainfall is 81mm.

Wales August sunrise & sunset times

Browse the sunrise and sunset times for Wales in August 2023. Select a month to view Wales sunrise and sunset times for the next 12 months. The Wales sunrise and sunset times shown below are for Cardiff.

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