Wales weather in August 2021

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

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The August 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 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.

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

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Wales sunrise & sunset times for August 2021

Browse the sunrise and sunset times for Wales in August 2021. Select a month to view Wales sunrise & sunset times for the next 12 months. The Wales sunrise and sunset times shown below are for Cardiff.


Date Sunrise times Sunset times
Sunday, 1st August 2021 05:37 21:00
Monday, 16th August 2021 06:00 20:33
Tuesday, 31st August 2021 06:24 20:01
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