Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December's onset sees an average high-temperature of a still warm 26.9°C (80.4°F), exhibiting a slight fluctuation from the previous month. A modest dip in temperatures to an average of 26°C (78.8°F) is observed throughout Long Swamp's December nights.Humidity
January through March, October and December, with an average relative humidity of 75%, are the least humid months in Long Swamp.Rainfall
In Long Swamp, during December, the rain falls for 23.2 days and regularly aggregates up to 53mm (2.09") of precipitation. In Long Swamp, during the entire year, the rain falls for 262.1 days and collects up to 835mm (32.87") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 06:34 and sunset at 17:40. On the last day of December, sunrise is at 06:50 and sunset at 17:52 AST.
Sunshine
The month with the least sunshine 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. 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 health risk from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 7 transforms into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Long Swamp in December?
What are the least humid months?
What is the average humidity in December in Long Swamp?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the highest UV index in Long Swamp?
What is the month with the lowest UV index?
How high is the UV index in December?
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).
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).
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).
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%).
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).
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).
Average daylight in December /
Average sunshine in December
Long Swamp, British Virgin Islands
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 6h and 2min
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).
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).
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).
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).
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).
