When should you visit each — and when are both ideal?
Best for both · June–Septembercomfortable in both cities
Climate Overview
Istanbul (Turkey · Istanbul) has a temperate climate; London shares the same classification. Istanbul's warmest month is August (29.2°C avg high); London peaks in July (22.7°C avg high).
Monthly Breakdown
Turkey · Istanbul
| Month | High | Low | Rain | Sun |
|---|
| JAN | 9.2° | 4.3° | 103mm | 5.6h |
| FEB | 10.3° | 4.9° | 75mm | 6.9h |
| MAR | 11.9° | 5.8° | 77mm | 7.9h |
| APR | 16.1° | 8.7° | 53mm | 10.3h |
| MAY | 20.9° | 13.8° | 51mm | 11.9h |
| JUN | 25.4° | 18.4° | 46mm | 12.9h |
| JUL | 28.7° | 21.2° | 24mm | 13.6h |
| AUG | 29.2° | 22.3° | 17mm | 12.6h |
| SEP | 25.4° | 18.9° | 50mm | 10.9h |
| OCT | 20° | 14.5° | 61mm | 8.2h |
| NOV | 16° | 10.8° | 83mm | 7.0h |
| DEC | 11.5° | 6.8° | 86mm | 5.5h |
United Kingdom · England
| Month | High | Low | Rain | Sun |
|---|
| JAN | 7.8° | 1.9° | 65mm | 4.3h |
| FEB | 8.9° | 2.5° | 53mm | 5.5h |
| MAR | 11° | 3.6° | 52mm | 6.8h |
| APR | 13.9° | 4.9° | 40mm | 9.6h |
| MAY | 17.2° | 8.3° | 58mm | 10.6h |
| JUN | 20.8° | 11.9° | 62mm | 11.2h |
| JUL | 22.7° | 14.1° | 56mm | 11.4h |
| AUG | 21.9° | 13.6° | 63mm | 10.0h |
| SEP | 19.7° | 11.6° | 48mm | 8.4h |
| OCT | 15.6° | 9° | 77mm | 6.2h |
| NOV | 11.1° | 5.3° | 70mm | 4.5h |
| DEC | 9.1° | 3.9° | 65mm | 3.6h |