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
Weather in December
Temperature
December's onset records a minor alteration in the average high-temperature to a still moderately hot 81.3°F (27.4°C) from November's 82.6°F (28.1°C). Frederiksted, in the month of December, notes an average low temperature of 79.3°F (26.3°C), indicating a small decrease from the daytime highs.Heat index
The heat index value during December is calculated to be a hot 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The months with the lowest humidity are January through March and December, with an average relative humidity of 75%.Rainfall
In Frederiksted, in December, it is raining for 22.7 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 254.5 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 6min of daylight.On the first day of December in Frederiksted, sunrise is at 6:34 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:55 pm 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 in Frederiksted. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 7 during December, leads to the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete 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.
Frequently asked questions
What are the temperatures in Frederiksted in December?
What are the least humid months in Frederiksted?
What is the average humidity in December in Frederiksted?
How many days does it rain in December in Frederiksted?
What is the month with the shortest days in Frederiksted?
What is the average length of the day in December in Frederiksted?
When are sunrise and sunset in December in Frederiksted?
What is the month with the least sunshine in Frederiksted?
How many hours of sunshine does Frederiksted have in December?
What is the month with the highest UV index in Frederiksted?
What is the month with the lowest UV index in Frederiksted?
How high is the UV index in December in Frederiksted?
Average temperature in December
Frederiksted, VI
- Average high temperature in December: 81.3°F
The warmest months (with the highest average high temperature) are September and October (84.2°F).
The month with the lowest average high temperature is March (78.8°F).
- Average low temperature in December: 79.3°F
The month with the highest average low temperature is October (82.2°F).
The coldest month (with the lowest average low temperature) is March (76.6°F).
Average pressure in December
Frederiksted, VI
- Average pressure in December: 29.97"Hg
The months with the highest atmospheric pressure are January, February and June (30.01"Hg).
The months with the lowest atmospheric pressure are October and November (29.9"Hg).
Average wind speed in December
Frederiksted, VI
- Average wind speed in December: 14.4mph
The windiest month (with the highest average wind speed) is July (14.7mph).
The calmest month (with the lowest average wind speed) is October (11mph).
Average humidity in December
Frederiksted, VI
- Average humidity in December: 75%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).
Average rainfall in December
Frederiksted, VI
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in December
Frederiksted, VI
- Average rainfall days in December: 22.7 days
The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (16.7 days).
Average daylight in December /
Average sunshine in December
Frederiksted, VI
- Average daylight in December: 11h and 1min
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 6min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Frederiksted, VI
- Average sunshine days in December: 4.3 days
The month with the most sunshine days is March (7.6 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in December
Frederiksted, VI
- 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
Frederiksted, VI
- Average cloud cover in December: 39
The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 33).
Average visibility in December
Frederiksted, VI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Frederiksted, United States Virgin Islands, USA
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