Weather in December
The ideal sea water temperature of 28.2°C (82.8°F) makes
December in
Mountain,
Colombia, the best time for swimming and other water activities.
Sea temperature
In Mountain, in December, the average water temperature is 28.2°C (82.8°F).
Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.
Daylight
December has the shortest days of the year, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:32 and sunset at 17:56. On the last day of December, in Mountain, sunrise is at 06:48 and sunset at 18:09 -05.