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
The transition from November to December in Island Harbour brings an average high-temperature of a still warm 26.8°C (80.2°F), barely different from November's 27.9°C (82.2°F). Island Harbour, during December nights, experiences a subtle shift to a low average of 26°C (78.8°F) from the day's heat.Humidity
January through March and December, with an average relative humidity of 75%, are the least humid months in Island Harbour.Rainfall
In December, the rain falls for 22.7 days. Throughout December, 57mm (2.24") of precipitation is accumulated. Throughout the year, there are 247 rainfall days, and 711mm (27.99") of precipitation is accumulated.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year in Island Harbour, Anguilla.On the first day of the month, sunrise is at 06:27 and sunset at 17:34. On the last day of December, in Island Harbour, sunrise is at 06:43 and sunset at 17:47 AST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year.UV index
The months with the highest UV index in Island Harbour are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Island Harbour are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 7 during December translates into the following guidance:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Island Harbour?
What is the least humid month in Island Harbour?
What is the average humidity in December in Island Harbour?
How much does it rain in Island Harbour in December?
What is the month with the shortest days in Island Harbour?
What is the average length of the day in December in Island Harbour?
What time are sunrise and sunset in December in Island Harbour?
What is the month with the least sunshine in Island Harbour?
How long on average sun shines in December in Island Harbour?
What are the months with the highest UV index in Island Harbour?
When is the lowest UV index in Island Harbour?
What is the UV index reading in December in Island Harbour?
Average temperature in December
Island Harbour, Anguilla
- Average high temperature in December: 26.8°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The months with the lowest average high temperature are February and March (25.8°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
Island Harbour, Anguilla
- Average pressure in December: 1015.3mbar
The months with the highest atmospheric pressure are January, February and June (1016.6mbar).
The month with the lowest atmospheric pressure is October (1012.8mbar).
Average wind speed in December
Island Harbour, Anguilla
- Average wind speed in December: 24.6km/h
The windiest month (with the highest average wind speed) is July (25.7km/h).
The calmest month (with the lowest average wind speed) is October (19.2km/h).
Average humidity in December
Island Harbour, Anguilla
- 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
Island Harbour, Anguilla
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is October (89mm).
The driest month (with the least rainfall) is February (31mm).
Average rainfall days in December
Island Harbour, Anguilla
- Average rainfall days in December: 22.7 days
The month with the highest number of rainy days is November (23.5 days).
The month with the least rainy days is June (16.9 days).
Average daylight in December /
Average sunshine in December
Island Harbour, Anguilla
- 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 August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Island Harbour, Anguilla
- Average sunshine days in December: 4.3 days
The months with the most sunshine days are April and October (8.3 days).
The month with the least sunshine days is July (3.9 days).
Average UV index in December
Island Harbour, Anguilla
- 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
Island Harbour, Anguilla
- Average cloud cover in December: 39
The months with the most cloud cover are May, June, July and August (Cloud cover 41).
The months with the least cloud cover are February and March (Cloud cover 35).
Average visibility in December
Island Harbour, Anguilla
- 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).
