December weather forecast
Saint-Francois, Guadeloupe

In December, Saint-Francois, Guadeloupe greets cooler weather with temperatures dropping to 25.8°C (78.4°F). As in November, the weather continues to transform; however, the relentless rainy days persist, with rainfall as high as 68mm (2.68"). December is known for its relative reduction in daylight hours, contributing to the overall cooler ambience. Wind speeds also fall slightly from November values, accentuating the overall cooler feel. With a definitive departure from the intense summer heat and frequent showers, December winds down the year with distinctly cooler and calmer weather conditions.

Temperature

December's advent notes a subtle adjustment in average high-temperature to a still moderately hot 27.3°C (81.1°F) from November. With a barely noticeable fluctuation in temperature, Saint-Francois reaches an average low of 25.8°C (78.4°F) during the December nights.

Heat index

December's mean heat index is estimated at a tropical 30°C (86°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In Saint-Francois, Guadeloupe, the average relative humidity in December is 76%.

Rainfall

In December, in Saint-Francois, the rain falls for 23.9 days. Throughout December, 68mm (2.68") of precipitation is accumulated. Throughout the year, there are 261.2 rainfall days, and 839mm (33.03") of precipitation is accumulated.

Sea temperature

In Saint-Francois, the average seawater temperature in December is 27.7°C (81.9°F).
Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.

Daylight

With an average of 11h and 12min of daylight, December has the shortest days of the year in Saint-Francois.
On the first day of the month, sunrise is at 06:17 and sunset at 17:31. On the last day of December, sunrise is at 06:33 and sunset at 17:43 AST.

Sunshine

The month with the least sunshine in Saint-Francois, Guadeloupe, is December, with an average of 6.5h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Saint-Francois are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during December translates into these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take caution! The UV rays from the Sun gain strength from sand and water reflections.