December weather forecast
Vigie, Saint Lucia

December in Vigie, Saint Lucia, signifies the commencement of the winter season with lower temperatures compared to November. The climate remains pleasantly cool and is a refreshing departure from the hotter, wetter months. The wind speed spirals up to 22.5km/h (14mph), offering a soothing and bracing environment. The city prepares for the holiday season fuelled with 35mm (1.38") of rainfall, supplemental to the spirited ambiance. In brief, December exemplifies the mild winter of tropical regions, maintaining the allure of Vigie throughout the year.

Temperature

Vigie sees the arrival of December with an average high-temperature of a still warm 28.2°C (82.8°F), indicating a subtle variation from November. Consistently, Vigie reports average nighttime temperatures of 25.7°C (78.3°F) during December, a marginal step down from its daytime highs.

Heat index

December's average heat index is calculated to be a hot 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in December is 74%.

Rainfall

In Vigie, in December, during 19.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, in Vigie, Saint Lucia, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.

Daylight

With an average of 11h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:12 and sunset at 17:33. On the last day of December, in Vigie, sunrise is at 06:27 and sunset at 17:46 AST.

Sunshine

With an average of 6.4h of sunshine, December has the least sunshine of the year in Vigie.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Vigie. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 7 during December translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.