December weather forecast
Praslin, Saint Lucia

Rounding out the year, December in Praslin, Saint Lucia signals the resumption of the dry season through a consistent decrease in rainfall to 37mm (1.46"). With stronger winds around 25.5km/h (15.8mph), the cooler trade winds of the Caribbean create refreshing conditions. Shorter daylight hours resemble the early months of the year, coinciding with the winter solstice in the Northern Hemisphere. The UV index remains constant, underlining the region's constant exposure to sunlight, and temperature variations are minimal, maintaining the tropical climate.

Temperature

Praslin in December witnesses an average high-temperature of a still moderately hot 27.9°C (82.2°F), indicating a slight variation from November's 28.7°C (83.7°F). December nights in Praslin cool to an average low-temperature of 26.2°C (79.2°F), a marginal decrease from its daytime equivalent.

Heat index

Throughout December, the heat index is calculated to be a tropical 31°C (87.8°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In Praslin, the average relative humidity in December is 75%.

Rainfall

In Praslin, during December, the rain falls for 18.7 days and regularly aggregates up to 37mm (1.46") of precipitation. In Praslin, during the entire year, the rain falls for 232.4 days and collects up to 542mm (21.34") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 18min of daylight.
On the first day of the month, sunrise is at 06:11 and sunset at 17:33. On the last day of December, sunrise is at 06:27 and sunset at 17:46 AST.

Sunshine

December has the least sunshine of the year, with an average of 6.6h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Praslin. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 during December translates into the following guidance:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.