December weather forecast
Korčula, Croatia

December brings the onset of winter, with temperatures varying between 4°C (39.2°F) and 11°C (51.8°F). A steep reduction in daylight hours and minimal sunshine cast a winter-like ambience over Korčula, completing its transition through all the seasons. With an average rainfall amounting to a high of 136mm (5.35"), it is one of the wettest months of the year, ensuring a damp close to the year. The dip in sea temperatures underscores the winter season's chill. Despite the cold and rainy weather, the festive cheer of the holiday season enlivens the city's spirit.

Temperature

As November makes way for December, Korčula's average high-temperature eases from a moderate 15°C (59°F) to a fresh 11°C (51.8°F). During December, the nighttime temperature averages of 4°C (39.2°F).

Rainfall

The month with the most rainfall is December, when the rain falls for 13 days and typically aggregates up to 136mm (5.35") of precipitation.

Sea temperature

In December, the average sea temperature in Korčula, Croatia, is 15.9°C (60.6°F).
Note: The enjoyment of swimming decreases for most when the surface water temperature is 15.9°C (60.6°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 07:03 and sunset at 16:18. On the last day of December, in Korčula, sunrise is at 07:22 and sunset at 16:26 CET.

Sunshine

December has the least sunshine of the year, with an average of 3h of sunshine.

UV index

The months with the lowest UV index in Korčula are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.