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Temperature in Wales in August

Wales is a region in the United Kingdom. August is generally a pleasant month with maximum daytime temperatures around 20°C and nighttime temperatures around 14°C in Cardiff. August is a summer month. On average, August is the month with the highest temperature of the year in Wales.

What is the temperature of the different cities in Wales in August?

Explore the map below to discover average August temperatures at the top destinations in Wales. For a deeper dive, simply click on any destination dot.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • How much sun does Wales get in August?
  • Most cities enjoy a balanced amount of sunshine, with around 184 hours of sunlight anticipated in Cardiff. This ensures the days are neither too dim nor excessively sunny.

  • What is the water's temperature in August?
  • The water temperature averages approximately 16°C in Cardiff this month, so not the best month to swim.

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