🇹🇷 Istanbul vs London 🇬🇧
Istanbul, Turkey vs London, United Kingdom — a side-by-side climate comparison to help you pick. Istanbul is the warmer of the two — about 3 degrees warmer on average across the year. Istanbul is drier, with roughly 15 fewer rainy days a year.
Climate at a glance
| 🇹🇷 Istanbul | 🇬🇧 London | |
|---|---|---|
| Avg annual high | 19°C | 16°C |
| Hottest month | July (29°C) | July (24°C) |
| Coldest month | January (3°C low) | January (3°C low) |
| Rainy days / year | 96 | 111 |
| Snow | Rare | Yes |
| Best months to visit | May, September, October | June, July, August |
🇹🇷 Istanbul
Best around May, September, October. Hottest in July (29°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 Istanbul or London warmer?
Istanbul is warmer overall, averaging about 3 degrees higher across the year.
Which is rainier, Istanbul or London?
London is rainier — Istanbul sees about 15 fewer rainy days per year.
When is the best time to visit Istanbul vs London?
Istanbul is best around May, September, October; London is best around June, July, August.