December weather forecast
Sal Rei, Cape Verde

Rounding up the year, December offers a refined balance between the contrasting temperatures, with the sea temperature averaging 24.4°C (75.9°F). Despite the transitional climate, ample daily sunshine, averaged at 11.2 hours, continues to sparkle across Sal Rei, brightening up the festive month. The rainfall figure lowers further to 5mm (0.2"), maintaining the predominantly dry season's legacy. Concurrently, the UV index finishes the year at a modest 8, indicating decreased solar intensity. The unique combination of cooler waters, mild sunshine, and minimal rainfall transforms Sal-Rei into a serene retreat to celebrate the end of the year and welcome the new one.

Temperature

Sal Rei's weather in December indicates an average high-temperature of a still moderately hot 25°C (77°F), nearly consistent with the 27°C (80.6°F) of November. Nighttime temperatures in Sal Rei during December report a consistent average of 20°C (68°F).

Rainfall

In Sal Rei, in December, 5mm (0.2") of precipitation is typically accumulated. During the entire year, Sal Rei aggregates up to 158mm (6.22") of precipitation.

Sea temperature

In Sal Rei, the average seawater temperature in December is 24.4°C (75.9°F).
Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 24.4°C (75.9°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)

Daylight

December has the shortest days of the year, with an average of 11h and 12min of daylight.
On the first day of the month, sunrise is at 06:43 and sunset at 17:57. On the last day of December, sunrise is at 06:59 and sunset at 18:10 -01.

Sunshine

With an average of 0h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 8, are months with the lowest UV index. A UV Index estimate of 8 to 10 represents a very high health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 8 in December transforms into the following instructions:
Ensure you're protected; unprotected eyes and skin can get hurt in moments. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat. Attention! The combination of sand and water reflections enhances UV ray intensity.