December weather forecast
Vigie, Saint Lucia

December

Weather in December

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

December ushers in an average high-temperature of a still moderately hot 28.2°C (82.8°F), aligning closely with the preceding month. Vigie records a consistent average nighttime temperature of 25.7°C (78.3°F) in December, slightly lower than the daytime high.

Heat index

Throughout December, the heat index is calculated to be a tropical 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. 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 sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. 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 Vigie, the average relative humidity in December is 74%.

Rainfall

In December, the rain falls for 19.1 days. Throughout December, 35mm (1.38") of precipitation is accumulated. In Vigie, Saint Lucia, during the entire year, the rain falls for 255.2 days and collects up to 560mm (22.05") of precipitation.

Daylight

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

Sunshine

December has the least sunshine of the year, with an average of 6.4h of sunshine.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily maximum UV index of 7 leads to the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

How hot is it in December?
The high-temperature during December is 28.2°C (82.8°F) and the low-temperature is 25.7°C (78.3°F). In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 32°C (89.6°F).
What is the average humidity in December in Vigie?
The average relative humidity in December is 74%.
How much does it rain in December?
In December, the rain falls for 19.1 days. Throughout December, 35mm (1.38") of precipitation is accumulated.
What is the month with the shortest days?
With an average of 11h and 18min of daylight, December has the shortest days of the year.
How many hours of daylight does Vigie have in December?
The average day length in December in Vigie is 11h and 19min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 06:12 and sunset at 17:33. On the last day of the month, sunrise is at 06:27 and sunset at 17:46 AST.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 6.4h of sunshine.
How many hours of sunshine does Vigie have in December?
In December, the average sunshine duration is 6.4h.
When is the highest UV index?
The months with the highest UV index are January through May, July through December, with an average maximum UV index of 7.
How high is the UV index in December?
The average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Vigie, Saint Lucia
Average temperature in December
Vigie, Saint Lucia
  • Average high temperature in December: 28.2°C

The warmest month (with the highest average high temperature) is September (30.3°C).
The months with the lowest average high temperature are January and February (27.5°C).

  • Average low temperature in December: 25.7°C

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

Average pressure in December - Vigie, Saint Lucia
Average pressure in December
Vigie, Saint Lucia
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed in December - Vigie, Saint Lucia
Average wind speed in December
Vigie, Saint Lucia
  • Average wind speed in December: 22.5km/h

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

Average humidity in December - Vigie, Saint Lucia
Average humidity in December
Vigie, Saint Lucia
  • Average humidity in December: 74%

The months with the highest relative humidity are May, June, July, August and November (75%).
The months with the lowest relative humidity are January, February, March and September (73%).

Average rainfall in December - Vigie, Saint Lucia
Average rainfall in December
Vigie, Saint Lucia
  • Average rainfall in December: 35mm

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days in December - Vigie, Saint Lucia
Average rainfall days in December
Vigie, Saint Lucia
  • Average rainfall days in December: 19.1 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

Average daylight in December / Average sunshine in December - Vigie, Saint Lucia
Average daylight in December /
Average sunshine in December
Vigie, Saint Lucia
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is April (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in December - Vigie, Saint Lucia
Average sunshine days in December
Vigie, Saint Lucia
  • Average sunshine days in December: 7.3 days

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

Average UV index in December - Vigie, Saint Lucia
Average UV index in December
Vigie, Saint Lucia
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

Average cloud cover in December - Vigie, Saint Lucia
Average cloud cover in December
Vigie, Saint Lucia
  • Average cloud cover in December: 43

The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).

Average visibility in December - Vigie, Saint Lucia
Average visibility in December
Vigie, Saint Lucia
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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