Sinop weather in December 2026

Q: How warm is it in Sinop in December?

Daytime temperatures usually reach 11°C in Sinop in December, falling to 5°C at night.

Q: How sunny is it in Sinop in December?

There are normally 4 hours of bright sunshine each day in Sinop in December - that's 46% of daylight hours.

Q: Is the sea cold around Sinop in December?

The average sea temperature around Sinop in December is 10°C.

Q: Does it rain in Sinop in December?

There are usually 18 days with some rain in Sinop in December and the average monthly rainfall is 126mm.

Expect daytime maximum temperatures of 11°C in Sinop, Turkey in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 96 mm of rainfall in the month.

11
11°C max day temperature
4
4 hours of sunshine per day
15
15 days with some rainfall
6
6°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
96
96 mm of monthly rainfall
1
1 (Low) UV index
11
11°C sea temperature

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The December weather guide for Turkey (Sinop) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)