December weather in Istanbul, Turkey
Averages from 155 days in December across 2020–2024.
Typical conditions
| Average high | 12.7°C |
|---|---|
| Average low | 7.4°C |
| Average mean | 9.8°C |
| Total precipitation | 401.8 mm |
| Rainy days | 89 |
| Average precipitation hours | 4.8 h |
| Average max wind speed | 21.3 km/h |
| Average sunshine | 5.4 h/day |
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