Weather in Istanbul in December
Istanbul, Türkiye averages a high of 10.6°C (51.1°F) and low of 6.6°C (43.9°F) in December, with 12 rain days and 5.4 hours of daily sunshine. Travel score: 51.3/100 (Mixed). The best time to visit Istanbul is July.
High
11°C51°F
Low
7°C44°F
🌧️
12
rain days
☀️
5.4
hrs/day sunshine
💧
78%
humidity
51— Mixed
December in Istanbul is cool and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Istanbul?
How much does it rain in Istanbul in December?
Istanbul receives an average of 94.5mm of rainfall across 12 rainy days in December. The annual total is 670.1mm.
What should I pack for Istanbul in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 11°C
🧶
Sweaters and warm layers
Layer up for comfort
Traveling to Türkiye in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31