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Cardiff weather in August 2023
- 2020°C max day temperature
- 1515 days with some rainfall
- 1212°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 8181 mm of monthly rainfall
- 66 (High) UV index
- 1818°C sea temperature
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.
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
How hot is it in Cardiff in August?
Daytime temperatures usually reach 20°C in Cardiff in August, falling to 12°C at night.
How sunny is it in Cardiff in August?
There are normally 6 hours of bright sunshine each day in Cardiff in August - that's 41% of daylight hours.
How warm is the sea around Cardiff in August?
The average sea temperature around Cardiff in August is 18°C.
Does it rain in Cardiff in August?
There are usually 15 days with some rain in Cardiff in August and the average monthly rainfall is 81mm.
Cardiff August sunrise & sunset times
Browse the sunrise and sunset times for Cardiff in August 2023. Select a month to view Cardiff sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st August 2023||05:36||21:01|
|Wednesday, 16th August 2023||05:59||20:34|
|Thursday, 31st August 2023||06:23||20:02|
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