Weather in December
December in
Ankaran,
Slovenia, is a true representative of the winter season with the sea temperature descending to a chilly 13.2°C (55.8°F). The stark difference in temperature from
November is felt markedly as the winter embarks in its full form. Shortening daylight hours add to the cold atmosphere, subsequently paving the way for the incoming
January. In its entirety, December provides an authentic winter experience with its chill and crisp air.
Sea temperature
In Ankaran, in December, the average water temperature is 13.2°C (55.8°F).
Note: Swimming in 13.2°C (55.8°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.
On the first day of December in Ankaran, sunrise is at 07:25 and sunset at 16:23. On the last day of the month, sunrise is at 07:45 and sunset at 16:31 CET.