The Valley
Anguilla
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
The Valley, Anguilla

The Sandy Ground Beach in The Valley, Anguilla, with a small boat sailing
The Sandy Ground Beach in The Valley, Anguilla, with a small boat sailing
The first month of the winter, December, is also a moderately hot month in The Valley, Anguilla, with average temperature varying between 28°C (82.4°F) and 24°C (75.2°F).

Temperature

The coldest months are January through April and December, with an average high-temperature of 28°C (82.4°F).

Heat index

In December, the average heat index is evaluated at a tropical 31.6°C (88.9°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In The Valley, Anguilla, the average relative humidity in December is 77%.

Rainfall

In The Valley, in December, during 20 rainfall days, 90mm (3.5") of precipitation is typically accumulated. Throughout the year, there are 200 rainfall days, and 970mm (38.2") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in The Valley is 27°C (80.6°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

With an average of 11.1h of daylight, December has the shortest days of the year.

Sunshine

Months with the least sunshine in The Valley, Anguilla, are January, February, May through July, September through December, with an average of 8h of sunshine.

UV index

With an average maximum UV index of 7, December is the month with the lowest UV index in The Valley, Anguilla. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the coldest month in The Valley?

The coldest months in The Valley, Anguilla, are January through April and December, with an average high-temperature of 28°C (82.4°F).

What is the temperature in December in The Valley?

The average high-temperature, in December, in The Valley, is 28°C (82.4°F), while the average low-temperature is 24°C (75.2°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, in December is evaluated at 31.6°C (88.9°F).

What is the average humidity in December in The Valley?

The average relative humidity in December is 77%.

How much does it rain in The Valley in December?

In The Valley, in December, during 20 rainfall days, 90mm (3.5") of precipitation is typically accumulated.

What is the sea water temperature in December in The Valley?

In December, the average sea temperature in The Valley is 27°C (80.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in The Valley?

With an average of 11.1h of daylight, December has the shortest days of the year in The Valley.

How many hours of daylight does The Valley have in December?

The average length of the day in December is 11.1h.

What is the month with the least sunshine in The Valley?

Months with the least sunshine are January, February, May through July, September through December, with an average of 8h of sunshine.

How many hours of sunshine does The Valley have in December?

In December, the average sunshine is 8h.

What is the month with the lowest UV index in The Valley?

The month with the lowest UV index in The Valley is December, with an average maximum UV index of 7.

What is the UV index intensity in December in The Valley?

In The Valley, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - The Valley, Anguilla
  • Average high temperature in December: 28°C

Warmest months (with the highest average high temperature) are June, July, August and September (31°C).
Months with the lowest average high temperature are January, February, March, April and December (28°C).

  • Average low temperature in December: 24°C

Months with the highest average low temperature are June, July, August, September and October (26°C).
Coldest months (with the lowest average low temperature) are January, February and March (23°C).

Average humidity in December - The Valley, Anguilla
  • Average humidity in December: 77%

The month with the highest relative humidity is November (78%).
Months with the lowest relative humidity are February, March, April, June, July, August and September (76%).

Average rainfall in December - The Valley, Anguilla
  • Average rainfall in December: 90mm

Wettest months (with the highest rainfall) are August, September and November (110mm).
Driest months (with the lowest rainfall) are February and March (40mm).

Average rainfall days in December - The Valley, Anguilla
  • Average rainfall days in December: 20 days

The month with the highest number of rainy days is November (21 days).
The month with the lowest number of rainy days is April (12 days).

Average sea temperature in December - The Valley, Anguilla
  • Average sea temperature in December: 27°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).

Average daylight in December / Average sunshine in December - The Valley, Anguilla
  • Average daylight in December: 11.1h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in December: 8h

Months with most sunshine are March, April and August (Average sunshine: 9h).
Months with least sunshine are January, February, May, June, July, September, October, November and December (Average sunshine: 8).

Average UV index in December - The Valley, Anguilla
  • Average UV index in December: 7

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).