December weather forecast
Layou, Saint Vincent and the Grenadines

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Weather in December

December closes the year in Layou by embracing cooler temperatures from 27.4°C (81.3°F) to 26.4°C (79.5°F). A significant drop in rainfall makes December the driest month of the year, bringing in the holiday spirit. The beautiful blend of increased wind speed, cool evenings, and reduced daytime temperature marks the beginning of the winter season. The shorter daylight hours give way to longer, colder nights making December suitable for indulging in indoor activities. Despite fewer daylight hours, December stays bright with extended sunshine hours, ending the year on a pleasant note.

Temperature

The beginning of December in Layou reveals an average high-temperature of a still moderately hot 27.4°C (81.3°F), showing minimal deviation from the previous month. Layou welcomes an average low temperature of 26.4°C (79.5°F) in December, a gentle shift from the day's high.

Heat index

Throughout December, the heat index is appraised at a hot 30°C (86°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In Layou, the average relative humidity in December is 76%.

Rainfall

In December, in Layou, the rain falls for 14.9 days. Throughout December, 23mm (0.91") of precipitation is accumulated. In Layou, during the entire year, the rain falls for 164.4 days and collects up to 289mm (11.38") of precipitation.

Sea temperature

In December, the average sea temperature in Layou is 27.8°C (82°F).
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

The month with the shortest days in Layou, Saint Vincent and the Grenadines, is December, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:12 and sunset at 17:36. On the last day of December, in Layou, sunrise is at 06:27 and sunset at 17:49 AST.

Sunshine

The month with the least sunshine is December, with an average of 6.6h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 7 translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
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Frequently asked questions

What is the average December temperature in Layou?

The high-temperature, in December, in Layou, is 27.4°C (81.3°F), while the low-temperature averages to 26.4°C (79.5°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in December is appraised at 30°C (86°F).

What is the average humidity in December in Layou?

In December, the average relative humidity in Layou is 76%.

How many days does it rain in December in Layou?

In Layou, in December, it is raining for 14.9 days, with typically 23mm (0.91") of accumulated precipitation.

What is the sea water temperature in December in Layou?

In Layou, the average seawater temperature in December 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.

What is the month with the shortest days in Layou?

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

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

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

When are sunrise and sunset in December in Layou?

In December, on the first day of the month, sunrise is at 06:12 and sunset at 17:36. On the last day of the month, in Layou, Saint Vincent and the Grenadines, sunrise is at 06:27 and sunset at 17:49 AST.

What is the month with the least sunshine in Layou?

With an average of 6.6h of sunshine, December has the least sunshine of the year in Layou.

How many hours of sunshine does Layou have in December?

The average sunshine duration in December in Layou, Saint Vincent and the Grenadines, is 6.6h.

What is the month with the highest UV index in Layou?

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

When is the lowest UV index in Layou?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Layou, Saint Vincent and the Grenadines.

How high is the UV index in December in Layou?

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

Average temperature in December
Layou, Saint Vincent and the Grenadines

Average temperature in December - Layou, Saint Vincent and the Grenadines
  • Average high temperature in December: 27.4°C

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).

  • Average low temperature in December: 26.4°C

The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).

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Average pressure in December
Layou, Saint Vincent and the Grenadines

Average pressure in December - Layou, Saint Vincent and the Grenadines
  • Average pressure in December: 1013mbar

The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

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Average wind speed in December
Layou, Saint Vincent and the Grenadines

Average wind speed in December - Layou, Saint Vincent and the Grenadines
  • Average wind speed in December: 26.6km/h

The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).

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Average humidity in December
Layou, Saint Vincent and the Grenadines

Average humidity in December - Layou, Saint Vincent and the Grenadines
  • Average humidity in December: 76%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

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Average rainfall in December
Layou, Saint Vincent and the Grenadines

Average rainfall in December - Layou, Saint Vincent and the Grenadines
  • Average rainfall in December: 23mm

The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).

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

Average rainfall days in December - Layou, Saint Vincent and the Grenadines
  • Average rainfall days in December: 14.9 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).

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

Average sea temperature in December - Layou, Saint Vincent and the Grenadines
  • Average sea temperature in December: 27.8°C

The best month for swimming (with the highest average sea temperature) is September (29.7°C).
The coldest month (with the lowest average sea temperature) is March (27.2°C).

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

Average daylight in December / Average sunshine in December - Layou, 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: 6h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in December
Layou, Saint Vincent and the Grenadines

Average sunshine days in December - Layou, Saint Vincent and the Grenadines
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).

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

Average UV index in December - Layou, Saint Vincent and the Grenadines
  • 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).

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Average cloud cover in December
Layou, Saint Vincent and the Grenadines

Average cloud cover in December - Layou, Saint Vincent and the Grenadines
  • Average cloud cover in December: 40

The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).

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Average visibility in December
Layou, Saint Vincent and the Grenadines

Average visibility in December - Layou, Saint Vincent and the Grenadines
  • 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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Layou, Saint Vincent and the Grenadines

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