The highest day temperature in December 2024 was 66°F. The lowest night temperature was 46°F. The average values for day and night temperatures during December were 59.1°F и 53.5°F respectivly.

The average sea surface temperature in December 2024 for Mersin was 68.8°F. The maximum and minimum values were 67.6°F and 70.8°F respectively.

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation total in December for Mersin is 3.3 in. It makes december the most rainy month of the year.

The average wind speed in December is 6.7 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Mersin in December is 6.9 hours.