December weather forecast
Treasure Cay, The Bahamas

December in Treasure Cay brings cooler, drier conditions. With an average low of 16°C (60.8°F), the month is a subtle teaser of the light, cool breeze to come. The precipitation reduces further, indicative of the incoming dry season. However, despite the weather shift, the tropical charm does not fade away. Even amidst the coldest month, the beauty of Treasure Cay does not dim but beams with a different allure, bidding a promising welcome to the ensuing year.

Temperature

At the onset of December, Treasure Cay records an average high-temperature of a still moderately hot 24°C (75.2°F), showing little deviation from the preceding month. Treasure Cay reports a consistent average low-temperature of 16°C (60.8°F) throughout December nights.

Rainfall

January and December are months with the least rain when the rain falls for 12 days and typically aggregates up to 67mm (2.64") of rain.

Sea temperature

In Treasure Cay, in December, the average water temperature is 25°C (77°F).
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

The month with the shortest days is December, with an average of 10h and 30min of daylight.
On the first day of December in Treasure Cay, sunrise is at 06:40 and sunset at 17:15. On the last day of the month, sunrise is at 06:57 and sunset at 17:27 EST.

Sunshine

The months with the least sunshine are January, February, September through December, with an average of 7h of sunshine.

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in December translates into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Stay cautious! Sand and water reflections increase UV radiation potency.