Cardiff weather in August 2024

Expect 68°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Cardiff in August. Check more long-term weather averages for Cardiff in August before you book your next holiday to Wales in 2024/2025.

  • 68°F maximum daytime temperature in August in Cardiff68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in August in Cardiff15
    15 days with some rainfall
  • 54°F minimum night-time temperature in August in Cardiff54
    54°F min night temperature
  • 15 hours of daylight per day in August in Cardiff15
    15 hours of daylight per day
  • No heat & humidity in August in Cardiff0
    No heat & humidity
  • 3.2 inches monthly rainfall in August in Cardiff3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Cardiff6
    6 (High) UV index
  • 64°F sea temperature in August in Cardiff64
    64°F sea temperature

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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)  |  Imperial (°F)

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More about Wales

How hot is it in Cardiff in August?

Daytime temperatures usually reach 68°F in Cardiff in August, falling to 54°F 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 64°F.

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 3.2 inches.

Cardiff August sunrise & sunset times

Browse the sunrise and sunset times for Cardiff in August 2024. Select a month to view Cardiff sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2024 05:37 21:00
Friday, 16th August 2024 06:01 20:32
Saturday, 31st August 2024 06:24 20:00

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