Cardiff in August - Maybe - warm weather continues but crowds and prices remain high. Average 19C.
Affiliate links: This page contains affiliate links. If you book through one of our links, we may earn a commission at no extra cost to you. We only recommend things we genuinely believe in. Read our full disclosure policy.
Maybe - warm weather continues but crowds and prices remain high
August maintains July's warmth but introduces more changeable weather typical of Wales. Tourist numbers stay high through school holidays. Smart to book everything in advance or face disappointment.
| Detail | Info |
|---|---|
| Temperature | 19°C average |
| Rainfall | 70mm |
| Humidity | 70% |
| Sunshine | 6 hours/day |
Crowds: high season.
Prices: high.
Summer clothes with rain backup, light jacket
Pack: Umbrella, Sunscreen, Light raincoat.
Maybe - warm weather continues but crowds and prices remain high
Best for: families, festival enthusiasts, those accepting higher costs for guaranteed activities.