December weather - Winter 2024 - Saint Vincent, Saint Vincent and the Grenadines

Weather in December
Frequently asked questions
Average temperature in December
Average rainfall in December
Average rainfall days in December
Average sea temperature in December
Average daylight in December
Average sunshine in December
Average UV index in December

Saint Vincent in Saint Vincent and the Grenadines, with palm trees along the seashore and clear blue waterfront

Weather in December

As the year concludes, December witnesses balanced weather conditions in Saint Vincent. Despite a slight decrease in day length, golden sunshine hours endured through the year prevail. Also, the UV index ebbs a bit from its high streak maintained since the onset of the year. This month sees a significant drop in rainfall, with the figure standing at 138mm (5.43") over 18 days. Meanwhile, the sea temperature remains temperate, elongating the season for sea adventures well into the last month of the year.

Temperature

Saint Vincent's coldest months, January through March and December, record an average high-temperature of 29°C (84.2°F).

Rainfall

In December, in Saint Vincent, Saint Vincent and the Grenadines, the rain falls for 18 days. Throughout December, 138mm (5.43") of precipitation is accumulated. In Saint Vincent, during the entire year, the rain falls for 200 days and collects up to 1594mm (62.76") of precipitation.

Sea temperature

January through April and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

December has the shortest days of the year in Saint Vincent, with an average of 11h and 24min of daylight.
On the first day of December, sunrise is at 06:11 and sunset at 17:36. On the last day of the month, sunrise is at 06:27 and sunset at 17:48 AST.

Sunshine

June, July, September through December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 9 translates into these guidelines:
Immediate damage can occur to skin and eyes if left unprotected. Always take necessary precautions. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Even on a cloudy day, a sunscreen with at least a 30 SPF should be applied generously and frequently reapplied, including after a swim or outdoor exercise. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.

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Frequently asked questions

What time of the year is the coldest in Saint Vincent?

January through March and December, when the average high-temperature in Saint Vincent, Saint Vincent and the Grenadines, reaches 29°C (84.2°F), are the coldest months.

How hot does it get in Saint Vincent in December?

An average high-temperature, in December, in Saint Vincent, is 29°C (84.2°F) and the average low-temperature is 21°C (69.8°F).

How many days does it rain in December in Saint Vincent?

In December, in Saint Vincent, the rain falls for 18 days. Throughout December, 138mm (5.43") of precipitation is accumulated.

What months are the sea coldest in Saint Vincent?

January through April and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.

How warm is the water in December in Saint Vincent?

In Saint Vincent, in December, the average water temperature is 27°C (80.6°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 Saint Vincent?

December has the shortest days of the year, with an average of 11h and 24min of daylight.

What is the average length of the day in December in Saint Vincent?

In Saint Vincent, the average day length in December is 11h and 22min.

What time are sunrise and sunset in December in Saint Vincent?

On the first day of December in Saint Vincent, sunrise is at 06:11 and sunset at 17:36. On the last day of the month, sunrise is at 06:27 and sunset at 17:48 AST.

What are the months with the least sunshine in Saint Vincent?

The months with the least sunshine are June, July, September through December, with an average of 7h of sunshine.

How long on average sun shines in December in Saint Vincent?

In Saint Vincent, Saint Vincent and the Grenadines, the average sunshine duration in December is 7h.

When is the lowest UV index in Saint Vincent?

December is the month with the lowest UV index, with an average maximum UV index of 9.

What is the UV index intensity in December in Saint Vincent?

In Saint Vincent, Saint Vincent and the Grenadines, the average daily maximum UV index in December is 9. A UV Index reading of 8 to 10 represents a very high health risk from exposure to Sun's UV rays.

Today

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Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

30°C 86°F

29°C 84.2°F

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in December
Saint Vincent, Saint Vincent and the Grenadines

Average high temperature in December: 29°C

The warmest months (with the highest average high temperature) are April, May, June, July, August, September, October and November (30°C).
The months with the lowest average high temperature are January, February, March and December (29°C).

Average low temperature in December: 21°C

The months with the highest average low temperature are May, June, July, August, September and October (23°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (21°C).

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Average rainfall in December
Saint Vincent, Saint Vincent and the Grenadines

Average rainfall in December: 138mm

The wettest month (with the highest rainfall) is October (207mm).
The driest month (with the least rainfall) is February (57mm).

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Average rainfall days in December
Saint Vincent, Saint Vincent and the Grenadines

Average rainfall days in December: 18 days

The months with the highest number of rainy days are July and September (21 days).
The month with the least rainy days is April (10 days).

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Average sea temperature in December
Saint Vincent, Saint Vincent and the Grenadines

Average sea temperature in December: 27°C

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April and December (27°C).

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Average daylight in December /
Average sunshine in December
Saint Vincent, Saint Vincent and the Grenadines

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 24min).

Average sunshine in December: 7h

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

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Average UV index in December
Saint Vincent, Saint Vincent and the Grenadines

Average UV index in December: 9

The 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).

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December weather forecast
Saint Vincent, Saint Vincent and the Grenadines

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