December weather forecast
Belle Vue, Saint Lucia

December

Weather in December

As the year concludes, the weather in Belle Vue, Saint Lucia experiences a dip in temperature providing a cooler climate. The average rainfall volume further decreases to 37mm (1.46"), indicating a drier climate in the city. The daylight and sunshine duration are at their shortest. Yet, the sunshine hours remain constant, providing a healthy dose of Vitamin D despite the reduced daylight hours. December's balmy breeze marks a peaceful ending to the year, offering a serene ambience with fewer rainfall days and a mildly cool climate.

Temperature

At the onset of December, Belle Vue records an average high-temperature of a still warm 27.9°C (82.2°F), showing little deviation from the preceding month. Belle Vue's average low temperature, barely cooler than the daytime high, steadies at a still moderately hot 26.2°C (79.2°F) during December.

Heat index

For most parts of December, the heat index is appraised at a tropical 31°C (87.8°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. 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. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Belle Vue, in December, it is raining for 18.7 days, with typically 37mm (1.46") of accumulated precipitation. In Belle Vue, during the entire year, the rain falls for 232.4 days and collects up to 542mm (21.34") of precipitation.

Daylight

The month with the shortest days in Belle Vue is December, with an average of 11h and 18min of daylight.
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 06:27 and sunset at 17:47 AST.

Sunshine

December has the least sunshine of the year, with an average of 6.6h of sunshine.

UV index

The months with the highest UV index in Belle Vue are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What are December temperatures?
The average high-temperature and low-temperature during December are 27.9°C (82.2°F) and 26.2°C (79.2°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in December is appraised at 31°C (87.8°F).
What is the average humidity in December?
The average relative humidity in December is 75%.
How much does it rain in December?
In December, the rain falls for 18.7 days. Throughout December, 37mm (1.46") 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 Belle Vue have in December?
In Belle Vue, the average day length in December is 11h and 20min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 06:11 and sunset at 17:34. On the last day of the month, sunrise is at 06:27 and sunset at 17:47 AST.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 6.6h of sunshine.
How many hours of sunshine does Belle Vue have in December?
In December, the average sunshine duration is 6.6h.
When is the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What is the month with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
How high is the UV index in December?
In December, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
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
Belle Vue, 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).

Average pressure in December
Belle Vue, 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).

Average wind speed in December
Belle Vue, 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).

Average humidity in December
Belle Vue, 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%).

Average rainfall in December
Belle Vue, 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).

Average rainfall days in December
Belle Vue, 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).

Average daylight in December /
Average sunshine in December
Belle Vue, 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).

Average sunshine days in December
Belle Vue, 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).

Average UV index in December
Belle Vue, 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).

Average cloud cover in December
Belle Vue, 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).

Average visibility in December
Belle Vue, 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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