December weather forecast
Vieux Fort, Saint Lucia

Weather in December

The first month of the winter, December, is still a warm month in Vieux Fort, Saint Lucia, with temperature in the range of an average high of 27.9°C (82.2°F) and an average low of 26.2°C (79.2°F).

Temperature

In December, the average high-temperature is relatively the same as in November - a still moderately hot 27.9°C (82.2°F). In December, in Vieux Fort, the average low-temperature is 26.2°C (79.2°F).

Heat index

In December, the average heat index is computed to be a hot 31°C (87.8°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like clothing, wind, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Vieux Fort, Saint Lucia, the average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 18.7 days. Throughout December, 37mm (1.46") of precipitation is accumulated. In Vieux Fort, Saint Lucia, during the entire year, the rain falls for 232.4 days and collects up to 542mm (21.34") of precipitation.

Sea temperature

In Vieux Fort, the average seawater temperature in December is 27.8°C (82°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

With an average of 11h and 20min of daylight, December has the shortest days of the year in Vieux Fort, Saint Lucia.
On the first day of the month, sunrise is at 06:11 and sunset at 17:34. On the last day of December, sunrise is at 06:26 and sunset at 17:46 AST.

Sunshine

The month with the least sunshine in Vieux Fort, Saint Lucia, is December, with an average of 6.6h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Vieux Fort are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in December interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Vieux Fort?

In December, in Vieux Fort, Saint Lucia, the average high-temperature is 27.9°C (82.2°F), and the average low-temperature is 26.2°C (79.2°F). in December, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 31°C (87.8°F).

What is the average humidity in December in Vieux Fort?

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

How much does it rain in Vieux Fort in December?

In December, in Vieux Fort, Saint Lucia, the rain falls for 18.7 days. Throughout December, 37mm (1.46") of precipitation is accumulated.

What is the water temperature in December in Vieux Fort?

In Vieux Fort, Saint Lucia, the average seawater temperature in December is 27.8°C (82°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the month with the shortest days in Vieux Fort?

With an average of 11h and 20min of daylight, December has the shortest days of the year in Vieux Fort.

What is the average length of the day in December in Vieux Fort?

In December, the average day length is 11h and 20min.

When is the sunrise / sunset in December in Vieux Fort?

On the first day of December, sunrise is at 06:11 and sunset at 17:34. On the last day of the month, sunrise is at 06:26 and sunset at 17:46 AST.

What is the month with the least sunshine in Vieux Fort?

December has the least sunshine of the year in Vieux Fort, Saint Lucia, with an average of 6.6h of sunshine.

How long on average sun shines in December in Vieux Fort?

The average sunshine duration in December in Vieux Fort, Saint Lucia, is 6.6h.

What are the months with the highest UV index in Vieux Fort?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Vieux Fort.

What are the months with the lowest UV index in Vieux Fort?

The months with the lowest UV index in Vieux Fort, Saint Lucia, are January through December, with an average maximum UV index of 7.

What is the UV index intensity in December in Vieux Fort?

In Vieux Fort, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Average temperature in December
Vieux Fort, Saint Lucia

Average temperature in December - Vieux Fort, Saint Lucia
  • Average high temperature in December: 27.9°C

The warmest months (with the highest average high temperature) are September and October (29.5°C).
The month with the lowest average high temperature is February (26.8°C).

  • Average low temperature in December: 26.2°C

The month with the highest average low temperature is September (27.6°C).
The coldest month (with the lowest average low temperature) is February (25.3°C).

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Average pressure in December
Vieux Fort, Saint Lucia

Average pressure in December - Vieux Fort, Saint Lucia
  • Average pressure in December: 1013.2mbar

The month with the highest atmospheric pressure is June (1014.9mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).

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Average wind speed in December
Vieux Fort, Saint Lucia

Average wind speed in December - Vieux Fort, Saint Lucia
  • Average wind speed in December: 24.9km/h

The windiest month (with the highest average wind speed) is February (26.9km/h).
The calmest month (with the lowest average wind speed) is September (18.3km/h).

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Average humidity in December
Vieux Fort, Saint Lucia

Average humidity in December - Vieux Fort, Saint Lucia
  • Average humidity in December: 75%

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in December
Vieux Fort, Saint Lucia

Average rainfall in December - Vieux Fort, Saint Lucia
  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is February (18mm).

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Average rainfall days in December
Vieux Fort, Saint Lucia

Average rainfall days in December - Vieux Fort, Saint Lucia
  • Average rainfall days in December: 18.7 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (15 days).

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Average sea temperature in December
Vieux Fort, Saint Lucia

Average sea temperature in December - Vieux Fort, Saint Lucia
  • Average sea temperature in December: 27.8°C

The best month for swimming (with the highest average sea temperature) is September (29.6°C).
The coldest months (with the lowest average sea temperature) are February and March (27.2°C).

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Average daylight in December /
Average sunshine in December
Vieux Fort, Saint Lucia

Average daylight in December / Average sunshine in December - Vieux Fort, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in December
Vieux Fort, Saint Lucia

Average sunshine days in December - Vieux Fort, Saint Lucia
  • Average sunshine days in December: 9 days

The month with the most sunshine days is March (9.1 days).
The month with the least sunshine days is July (3.6 days).

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Average UV index in December
Vieux Fort, Saint Lucia

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

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

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Average cloud cover in December
Vieux Fort, Saint Lucia

Average cloud cover in December - Vieux Fort, Saint Lucia
  • Average cloud cover in December: 41

The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 35).

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Average visibility in December
Vieux Fort, Saint Lucia

Average visibility in December - Vieux Fort, 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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