December weather forecast
Cat Island, The Bahamas

December signals the onset of winter in Cat Island, with average high temperatures dipping to 26°C (78.8°F). This change accompanies the shortest daylight span of the year, counting 10.7 hours. Appreciable rainfall of 47mm (1.85") is spread across 11 days, maintaining the tropical appeal of the island. A six-hour sunshine period complements the slightly cooler temperature conditions. The UV index decreases to 6, alleviating the high-risk levels and wrapping up the yearly weather cycle pleasantly.

Temperature

As Cat Island welcomes December, the average high-temperature records at a still warm 26°C (78.8°F), marking an insignificant deviation from the prior month. In December, Cat Island experiences an average nighttime temperature of 19°C (66.2°F).

Rainfall

In Cat Island, The Bahamas, in December, it is raining for 11 days, with typically 47mm (1.85") of accumulated precipitation. In Cat Island, during the entire year, the rain falls for 170 days and collects up to 950mm (37.4") of precipitation.

Sea temperature

In December, the average sea temperature in Cat Island is 26°C (78.8°F).
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

With an average of 10h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:28 and sunset at 17:13. On the last day of the month, sunrise is at 06:44 and sunset at 17:24 EST.

Sunshine

December has the least sunshine of the year, with an average of 6h of sunshine.

UV index

January and December, with an average maximum UV index of 6, are months with the lowest UV index in Cat Island. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! Sand and water reflections boost the intensity of UV exposure.