Vieux Fort
Saint Lucia
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Vieux Fort, Saint Lucia

December, the first month of the winter, in Vieux Fort, is still a warm month, with average temperature varying between 23°C (73.4°F) and 29°C (84.2°F).

Temperature

In Vieux Fort, the average high-temperature remains equal as in November - a still warm 29°C (84.2°F). The average low-temperature, in December, is 23°C (73.4°F).

Rainfall

In December, the rain falls for 18 days. Throughout December, 163mm (6.4") of precipitation is accumulated. Throughout the year, there are 203 rainfall days, and 2344mm (92.3") of precipitation is accumulated.

Sea temperature

In Vieux Fort, the average water temperature 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.

Daylight

With an average of 11.3h of daylight, December has the shortest days of the year.

Sunshine

Months with the most sunshine are January through August, November and December, with an average of 8h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the UV radiation for the average person.
In December, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in December in Vieux Fort?

In Vieux Fort, in December, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in December in Vieux Fort?

In December, in Vieux Fort, Saint Lucia, the rain falls for 18 days. Throughout December, 163mm (6.4") of precipitation is accumulated.

How warm is the water in December in Vieux Fort?

In December, the average sea temperature in Vieux Fort, Saint Lucia, is 27.8°C (82°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

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

With an average of 11.3h of daylight, December has the shortest days of the year.

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

In December, the average length of the day in Vieux Fort is 11.3h.

What are the months with the most sunshine in Vieux Fort?

January through August, November and December, with an average of 8h of sunshine, are months with the most sunshine in Vieux Fort, Saint Lucia.

How many hours of sunshine does Vieux Fort have in December?

In December, the average sunshine in Vieux Fort, Saint Lucia, is 8h.

When is the lowest UV index in Vieux Fort?

With an average maximum UV index of 9, December is the month with the lowest UV index in Vieux Fort.

How high is the UV index in December in Vieux Fort?

In December, the average daily maximum UV index in Vieux Fort is 9. A UV Index of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Vieux Fort, Saint Lucia
  • Average high temperature in December: 29°C

Warmest months (with the highest average high temperature) are May, June, July, August, September and October (30°C).
Months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in December: 23°C

Months with the highest average low temperature are May, June, July, August, September and October (24°C).
Coldest months (with the lowest average low temperature) are January and February (22°C).

Average rainfall in December - Vieux Fort, Saint Lucia
  • Average rainfall in December: 163mm

The wettest month (with the highest rainfall) is October (328mm).
The driest month (with the lowest rainfall) is February (96mm).

Average rainfall days in December - Vieux Fort, Saint Lucia
  • Average rainfall days in December: 18 days

The month with the highest number of rainy days is September (23 days).
The month with the lowest number of rainy days is April (10 days).

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).
Coldest months (with the lowest average sea temperature) are February and March (27.2°C).

Average daylight in December / Average sunshine in December - Vieux Fort, Saint Lucia
  • Average daylight in December: 11.3h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in December: 8h

Months with most sunshine are January, February, March, April, May, June, July, August, November and December (Average sunshine: 8h).
Months with least sunshine are September and October (Average sunshine: 7).

Average UV index in December - Vieux Fort, Saint Lucia
  • Average UV index in December: 9

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).