When should you visit each — and when are both ideal?
Best for both · May, June, September, Octobercomfortable in both cities
Climate Overview
Istanbul (Turkey · Istanbul) has a temperate climate; Seoul (South Korea · Seoul) is classified as continental. Istanbul's warmest month is August (29.2°C avg high); Seoul peaks in August (28.8°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 |
South Korea · Seoul
| Month | High | Low | Rain | Sun |
|---|
| JAN | 1.5° | -6.1° | 18mm | 8.0h |
| FEB | 3.9° | -4.2° | 24mm | 8.7h |
| MAR | 10.6° | 0.3° | 40mm | 9.5h |
| APR | 16.5° | 5.7° | 63mm | 10.1h |
| MAY | 21.8° | 11.1° | 84mm | 11.0h |
| JUN | 26.1° | 17° | 130mm | 10.8h |
| JUL | 28.6° | 21.5° | 262mm | 9.7h |
| AUG | 28.8° | 22.1° | 262mm | 9.4h |
| SEP | 25.2° | 17° | 125mm | 9.4h |
| OCT | 18.8° | 9.9° | 73mm | 9.0h |
| NOV | 11.4° | 3.1° | 64mm | 7.6h |
| DEC | 3.1° | -4.2° | 31mm | 7.4h |