December weather forecast
Deglos, Saint Lucia

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Weather in December

December marks the end of the year with a further decrease in rainfall to 35mm (1.38") from 64mm (2.52") in November. The wind speed soars to 22.5km/h (14mph), setting it apart from the lower wind records of earlier months. Despite the rainfall and wind changes, the temperature continues to hover around the same figures as in November. With longer sunshine hours and good visibility, the weather promotes a relaxed vacation vibe. In conclusion, December provides an ideal backdrop for holidaymakers looking to escape colder climates and bask in tropical warmth in Deglos, Saint Lucia.

Temperature

Deglos notes an average high-temperature of a still warm 28.2°C (82.8°F) in December, displaying minor variation from November. Throughout December, Deglos reports a steady low-temperature average of 25.7°C (78.3°F), slightly lower than its daytime counterpart.

Heat index

The heat index for December is calculated to be a tropical 32°C (89.6°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In Deglos, the average relative humidity in December is 74%.

Rainfall

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

Daylight

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

Sunshine

The month with the least sunshine in Deglos is December, 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 vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 7 in December suggests the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How hot is December in Deglos?

The high-temperature, in December, in Deglos, records 28.2°C (82.8°F), while the low-temperature is 25.7°C (78.3°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in December is calculated to be 32°C (89.6°F).

What is the average humidity in December in Deglos?

In December, the average relative humidity is 74%.

How many days does it rain in December in Deglos?

In Deglos, in December, during 19.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

What is the month with the shortest days in Deglos?

December has the shortest days of the year in Deglos, with an average of 11h and 18min of daylight.

What is the average length of the day in December in Deglos?

In December, the average day length is 11h and 19min.

When is the sunrise / sunset in December in Deglos?

On the first day of December in Deglos, Saint Lucia, 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 in Deglos?

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

How many hours of sunshine does Deglos have in December?

In December, the average sunshine duration is 6.4h.

When is the highest UV index in Deglos?

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in December in Deglos?

The average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in December
Deglos, Saint Lucia

Average temperature in December - Deglos, 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
Deglos, Saint Lucia

Average pressure in December - Deglos, 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
Deglos, Saint Lucia

Average wind speed in December - Deglos, 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
Deglos, Saint Lucia

Average humidity in December - Deglos, 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
Deglos, Saint Lucia

Average rainfall in December - Deglos, 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
Deglos, Saint Lucia

Average rainfall days in December - Deglos, 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
Deglos, Saint Lucia

Average daylight in December / Average sunshine in December - Deglos, 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
Deglos, Saint Lucia

Average sunshine days in December - Deglos, 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
Deglos, Saint Lucia

Average UV index in December - Deglos, 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
Deglos, Saint Lucia

Average cloud cover in December - Deglos, 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
Deglos, Saint Lucia

Average visibility in December - Deglos, 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).

Deglos, Saint Lucia

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