December weather forecast
Ashton, Saint Vincent and the Grenadines

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Weather in December

December, the first month of the winter in Ashton, is also a moderately hot month, with an average temperature varying between 27.6°C (81.7°F) and 26.5°C (79.7°F).

Temperature

In Ashton, the average high-temperature in December is practically the same as in November - a still warm 27.6°C (81.7°F). In December, the average low-temperature is 26.5°C (79.7°F).

Heat index

The average heat index in December is evaluated at a hot 31°C (87.8°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like pregnancy, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Ashton, Saint Vincent and the Grenadines, it is raining for 19.5 days, with typically 39mm (1.54") of accumulated precipitation. In Ashton, Saint Vincent and the Grenadines, during the entire year, the rain falls for 238.6 days and collects up to 627mm (24.69") of precipitation.

Sea temperature

The months with the coldest seawater are January through April and December, with an average sea temperature of 27°C (80.6°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The month with the shortest days in Ashton is December, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:11 and sunset at 17:37. On the last day of December, in Ashton, sunrise is at 06:26 and sunset at 17:50 AST.

Sunshine

December has the least sunshine of the year in Ashton, with an average of 6.4h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Ashton?

The average high-temperature, in December, is 27.6°C (81.7°F), while the average low-temperature is 26.5°C (79.7°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in December is evaluated at 31°C (87.8°F).

What is the average humidity in December in Ashton?

In December, the average relative humidity is 76%.

How many days does it rain in December in Ashton?

In Ashton, in December, during 19.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated.

What are the months with the coldest sea water in Ashton?

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

What is the sea water temperature in December in Ashton?

In Ashton, 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 Ashton?

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 Ashton?

In December, the average day length in Ashton is 11h and 24min.

What time are sunrise and sunset in December in Ashton?

On the first day of December in Ashton, Saint Vincent and the Grenadines, sunrise is at 06:11 and sunset at 17:37. On the last day of the month, sunrise is at 06:26 and sunset at 17:50 AST.

What is the month with the least sunshine in Ashton?

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

How long on average sun shines in December in Ashton?

In December, the average sunshine duration in Ashton is 6.4h.

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

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

What is the month with the lowest UV index in Ashton?

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

How high is the UV index in December in Ashton?

The average daily maximum UV index in December in Ashton, Saint Vincent and the Grenadines, is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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Average temperature in December
Ashton, Saint Vincent and the Grenadines

Average temperature in December - Ashton, Saint Vincent and the Grenadines
  • Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).

  • Average low temperature in December: 26.5°C

The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

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Average pressure in December
Ashton, Saint Vincent and the Grenadines

Average pressure in December - Ashton, Saint Vincent and the Grenadines
  • Average pressure in December: 1012.9mbar

The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

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

Average wind speed in December - Ashton, Saint Vincent and the Grenadines
  • Average wind speed in December: 27.8km/h

The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).

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Average humidity in December
Ashton, Saint Vincent and the Grenadines

Average humidity in December - Ashton, 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
Ashton, Saint Vincent and the Grenadines

Average rainfall in December - Ashton, Saint Vincent and the Grenadines
  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).

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

Average rainfall days in December - Ashton, Saint Vincent and the Grenadines
  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).

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

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

Average daylight in December / Average sunshine in December - Ashton, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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

Average sunshine days in December - Ashton, Saint Vincent and the Grenadines
  • Average sunshine days in December: 6.2 days

The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).

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

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

Average cloud cover in December - Ashton, Saint Vincent and the Grenadines
  • Average cloud cover in December: 41

The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).

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Average visibility in December
Ashton, Saint Vincent and the Grenadines

Average visibility in December - Ashton, 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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