December weather forecast
Long Swamp, British Virgin Islands

Weather in December

December, the first month of the winter in Long Swamp, is still a warm month, with temperature in the range of an average high of 26.9°C (80.4°F) and an average low of 26°C (78.8°F).

Temperature

In Long Swamp, the average high-temperature in December is practically the same as in November - a still warm 26.9°C (80.4°F). In Long Swamp, the average low-temperature is 26°C (78.8°F).

Humidity

January through March, October and December, with an average relative humidity of 75%, are the least humid months.

Rainfall

In Long Swamp, in December, during 23.2 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Long Swamp, during the entire year, the rain falls for 262.1 days and collects up to 835mm (32.87") of precipitation.

Daylight

With an average of 11h and 3min of daylight, December has the shortest days of the year in Long Swamp, British Virgin Islands.
On the first day of December, sunrise is at 06:34 and sunset at 17:40. On the last day of the month, sunrise is at 06:50 and sunset at 17:52 AST.

Sunshine

The month with the least sunshine in Long Swamp is December, with an average of 6.3h 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 value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 7 in December transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What are the least humid months in Long Swamp?

January through March, October and December, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in December in Long Swamp?

The average relative humidity in December in Long Swamp is 75%.

How much does it rain in Long Swamp in December?

In Long Swamp, in December, during 23.2 rainfall days, 53mm (2.09") of precipitation is typically accumulated.

What is the month with the shortest days in Long Swamp?

December has the shortest days of the year in Long Swamp, British Virgin Islands, with an average of 11h and 3min of daylight.

What is the average length of the day in December in Long Swamp?

In December, the average day length in Long Swamp is 11h and 3min.

When is the sunrise / sunset in December in Long Swamp?

In December, on the first day of the month, sunrise is at 06:34 and sunset at 17:40. On the last day of the month, in Long Swamp, sunrise is at 06:50 and sunset at 17:52 AST.

What is the month with the least sunshine in Long Swamp?

December has the least sunshine of the year in Long Swamp, British Virgin Islands, with an average of 6.3h of sunshine.

How many hours of sunshine does Long Swamp have in December?

The average sunshine duration in December is 6.3h.

What is the month with the highest UV index in Long Swamp?

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

When is the lowest UV index in Long Swamp?

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

What is the UV index reading in December in Long Swamp?

In Long Swamp, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in December
Long Swamp, British Virgin Islands

Average temperature in December - Long Swamp, British Virgin Islands
  • Average high temperature in December: 26.9°C

The warmest month (with the highest average high temperature) is September (28.9°C).
The months with the lowest average high temperature are February and March (25.9°C).

  • Average low temperature in December: 26°C

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is March (24.7°C).

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Average pressure in December
Long Swamp, British Virgin Islands

Average pressure in December - Long Swamp, British Virgin Islands
  • Average pressure in December: 1015.4mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.7mbar).

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Average wind speed in December
Long Swamp, British Virgin Islands

Average wind speed in December - Long Swamp, British Virgin Islands
  • Average wind speed in December: 23.8km/h

The windiest month (with the highest average wind speed) is July (24.4km/h).
The calmest month (with the lowest average wind speed) is October (18.2km/h).

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Average humidity in December
Long Swamp, British Virgin Islands

Average humidity in December - Long Swamp, British Virgin Islands
  • Average humidity in December: 75%

The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are January, February, March, October and December (75%).

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Average rainfall in December
Long Swamp, British Virgin Islands

Average rainfall in December - Long Swamp, British Virgin Islands
  • Average rainfall in December: 53mm

The wettest months (with the highest rainfall) are August and October (113mm).
The driest month (with the least rainfall) is February (28mm).

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Average rainfall days in December
Long Swamp, British Virgin Islands

Average rainfall days in December - Long Swamp, British Virgin Islands
  • Average rainfall days in December: 23.2 days

The month with the highest number of rainy days is November (24.9 days).
The month with the least rainy days is February (17.5 days).

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Average daylight in December /
Average sunshine in December
Long Swamp, British Virgin Islands

Average daylight in December / Average sunshine in December - Long Swamp, British Virgin Islands
  • Average daylight in December: 11h and 3min

The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 3min).

  • Average sunshine in December: 6h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days in December
Long Swamp, British Virgin Islands

Average sunshine days in December - Long Swamp, British Virgin Islands
  • Average sunshine days in December: 4 days

The month with the most sunshine days is February (7.1 days).
The month with the least sunshine days is August (1.7 days).

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Average UV index in December
Long Swamp, British Virgin Islands

Average UV index in December - Long Swamp, British Virgin Islands
  • 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
Long Swamp, British Virgin Islands

Average cloud cover in December - Long Swamp, British Virgin Islands
  • Average cloud cover in December: 40

The months with the most cloud cover are May, July and August (Cloud cover 41).
The month with the least cloud cover is February (Cloud cover 34).

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Average visibility in December
Long Swamp, British Virgin Islands

Average visibility in December - Long Swamp, British Virgin Islands
  • 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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