🇬🇧 Cardiff vs London 🇬🇧
Cardiff, United Kingdom vs London, United Kingdom — a side-by-side climate comparison to help you pick. London is the warmer of the two — about 2 degrees warmer on average across the year. London is drier, with roughly 61 fewer rainy days a year.
Climate at a glance
| 🇬🇧 Cardiff | 🇬🇧 London | |
|---|---|---|
| Avg annual high | 14°C | 16°C |
| Hottest month | July (21°C) | July (24°C) |
| Coldest month | January (3°C low) | January (3°C low) |
| Rainy days / year | 172 | 111 |
| Snow | Rare | Yes |
| Best months to visit | June, July, August | June, July, August |
🇬🇧 Cardiff
Best around June, July, August. Hottest in July (21°C), coldest lows in January (3°C).
🇬🇧 London
Best around June, July, August. Hottest in July (24°C), coldest lows in January (3°C).
Frequently asked questions
Is Cardiff or London warmer?
London is warmer overall, averaging about 2 degrees higher across the year.
Which is rainier, Cardiff or London?
Cardiff is rainier — London sees about 61 fewer rainy days per year.
When is the best time to visit Cardiff vs London?
Cardiff is best around June, July, August; London is best around June, July, August.