Weather in December
The perfect water temperature of 28.2°C (82.8°F) makes
December a great period for swimming and other water activities in
Ko Tao,
Thailand.
Sea temperature
In Ko Tao, Thailand, the average seawater temperature in December is 28.2°C (82.8°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.
Daylight
December has the shortest days of the year, with an average of 11h and 30min of daylight.
On the first day of December, sunrise is at 06:22 and sunset at 17:57. On the last day of the month, sunrise is at 06:37 and sunset at 18:10 +07.