Sun, sea & sand

Sinop weather in December

Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

9

Holiday weather in December

Poor

Best time to visit: July – August

What is the weather like in Sinop in December?

In December, Sinop is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sea averages 12.5 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 73 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Sinop.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score14910
Day15°11°9°
Night8°4°2°
Sea16°13°10°
Sun3 h2 h2 h
Rain days81211

More details for December

Daylight
9 h 9 min08:00 – 17:09
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
14 km/haverage daily peakAll months
Cloud cover
64 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
2 days1 cm or more of fresh snowAll months
Time zone
UTC+3Europe/Istanbul

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 20 %46 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in December

  • A jumper for the evenings
  • Hat, scarf & gloves
  • Rain jacket or umbrella

Sinop in December: quick answers

Is Sinop hot in December?

No. In December, Sinop is cool: daytime highs average 11 °C and nights drop to about 4 °C.

Can you swim in Sinop in December?

Only if you don't mind cold water: in December the sea averages just 12.5 °C. Comfortable swimming is possible from June to September.

Does it rain much in Sinop in December?

Rain is frequent, with about 12 rainy days and 73 mm in total.

Sinop month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences