December weather forecast
Marquis, Saint Lucia

December

Weather in December

December, the first month of the winter in Marquis, is still a warm month, with an average temperature varying between 28.2°C (82.8°F) and 25.7°C (78.3°F).

Temperature

With the arrival of December, Marquis's average high-temperature registers at a still warm 28.2°C (82.8°F), indicating a subtle variation from the previous month. During December, the nighttime temperatures align closely with the daytime averages, measuring a still warm 25.7°C (78.3°F).

Heat index

In December, the average heat index is evaluated at a hot 32°C (89.6°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Note that heat index values are valued for light wind and location in the shade. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The average relative humidity in December in Marquis is 74%.

Rainfall

In Marquis, in December, it is raining for 19.1 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.

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 06:12 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 6.4h 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 of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 7 during December translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

How hot does it get in Marquis 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). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in December is evaluated at 32°C (89.6°F).
What is the average humidity in December in Marquis?
In Marquis, the average relative humidity in December is 74%.
How many days does it rain in December in Marquis?
In Marquis, in December, it is raining for 19.1 days, with typically 35mm (1.38") of accumulated precipitation.
What is the month with the shortest days in Marquis?
The month with the shortest days in Marquis, Saint Lucia, is December, with an average of 11h and 18min of daylight.
What is the average length of the day in December in Marquis?
The average day length in December is 11h and 19min.
What time are sunrise and sunset in December in Marquis?
In December, on the first day of the month, sunrise is at 06:12 and sunset at 17:33. On the last day of the month, in Marquis, sunrise is at 06:27 and sunset at 17:46 AST.
What is the month with the least sunshine in Marquis?
The month with the least sunshine in Marquis is December, with an average of 6.4h of sunshine.
How long on average sun shines in December in Marquis?
In December, the average sunshine duration in Marquis is 6.4h.
What are the months with the highest UV index in Marquis?
January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Marquis.
What is the UV index intensity in December in Marquis?
In Marquis, the average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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
Marquis, 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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