December weather forecast
Ashton, Saint Vincent and the Grenadines

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Weather in December

Concluding the year, December in Ashton showcases a pleasant blend of climatic conditions. A palpable easing of rainfall to 39mm (1.54") brings the promise of drier, more comfortable days ahead. Temperature fluctuations are negligible, allowing for a consistent weather pattern throughout the month. Despite decreased daylight hours, visibility remains optimal, perfect for exploring the city in all its winter glory. Finally, various outdoor activities continue to be enjoyable, thanks to unchanged sea temperatures and moderate wind speeds.

Temperature

December's advent presents an average high-temperature of a still moderately hot 27.6°C (81.7°F), indicating a slight variation from the conditions of the previous month. Ashton, during December nights, experiences a subtle shift to a low average of 26.5°C (79.7°F) from the day's heat.

Heat index

December's average heat index is calculated to be a hot 31°C (87.8°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. 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. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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

The average relative humidity in December is 76%.

Rainfall

In Ashton, in December, it is raining for 19.5 days, with typically 39mm (1.54") of accumulated precipitation. In Ashton, 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: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.

Daylight

The month with the shortest days 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 17:38. On the last day of December, sunrise is at 06:27 and sunset at 17:51 AST.

Sunshine

The month with the least sunshine is December, 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. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 7 in December suggests the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The Sun's UV rays intensify with reflections from sand and water.

Frequently asked questions

What are the temperatures in December?

In Ashton, in December, the average high-temperature is 27.6°C (81.7°F), and the average low-temperature is 26.5°C (79.7°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in December is calculated to be 31°C (87.8°F).

What is the average humidity in December?

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

How much does it rain in December?

In December, the rain falls for 19.5 days. Throughout December, 39mm (1.54") of precipitation is 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.

How warm is the water in December?

In December, the average sea 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?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 06:11 and sunset at 17:38. On the last day of the month, in Ashton, sunrise is at 06:27 and sunset at 17:51 AST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

In December, the average sunshine duration is 6.4h.

What is the month with the highest UV index?

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

What are the months 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?

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

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).

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).

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).

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%).

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).

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).

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).

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).

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).

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).

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).

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).

Ashton, Saint Vincent and the Grenadines

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