December weather forecast
Basse Terre, Guadeloupe

Seascape of the Deshaies Bay in Basse Terre, Guadeloupe
Seascape of the Deshaies Bay in Basse Terre, Guadeloupe

Weather in December

December, the first month of the winter in Basse Terre, is still a warm month, with temperature in the range of an average high of 27.3°C (81.1°F) and an average low of 25.8°C (78.4°F).

Temperature

In December, the average high-temperature is practically the same as in November - a still moderately hot 27.3°C (81.1°F). In December, the average low-temperature is 25.8°C (78.4°F).

Heat index

In December, the average heat index is evaluated at a tropical 30°C (86°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. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, pregnancy, wind, and differences in body mass, height, and shape 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 especially crucial for babies and toddlers. 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

The average relative humidity in December in Basse Terre is 76%.

Rainfall

In December, in Basse Terre, Guadeloupe, the rain falls for 23.9 days. Throughout December, 68mm (2.68") of precipitation is accumulated. In Basse Terre, during the entire year, the rain falls for 261.2 days and collects up to 839mm (33.03") of precipitation.

Sea temperature

In Basse Terre, Guadeloupe, in December, the average water temperature is 27.6°C (81.7°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The month with the shortest days is December, with an average of 11h and 12min of daylight.
On the first day of the month, sunrise is at 06:18 and sunset at 17:33. On the last day of December, sunrise is at 06:33 and sunset at 17:45 AST.

Sunshine

With an average of 6.5h of sunshine, December has the least sunshine of the year.

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 of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in December in Basse Terre?

In Basse Terre, in December, the average high-temperature is 27.3°C (81.1°F), and the average low-temperature is 25.8°C (78.4°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in December is evaluated at 30°C (86°F).

What is the average humidity in December in Basse Terre?

In December, the average relative humidity in Basse Terre, Guadeloupe, is 76%.

How much does it rain in Basse Terre in December?

In Basse Terre, Guadeloupe, in December, it is raining for 23.9 days, with typically 68mm (2.68") of accumulated precipitation.

How warm is the water in December in Basse Terre?

In Basse Terre, Guadeloupe, in December, the average water temperature is 27.6°C (81.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Basse Terre?

With an average of 11h and 12min of daylight, December has the shortest days of the year in Basse Terre.

What is the average length of the day in December in Basse Terre?

The average day length in December in Basse Terre is 11h and 12min.

When is the sunrise / sunset in December in Basse Terre?

On the first day of December, sunrise is at 06:18 and sunset at 17:33. On the last day of the month, sunrise is at 06:33 and sunset at 17:45 AST.

What is the month with the least sunshine in Basse Terre?

December has the least sunshine of the year in Basse Terre, with an average of 6.5h of sunshine.

How many hours of sunshine does Basse Terre have in December?

In December, the average sunshine duration in Basse Terre, Guadeloupe, is 6.5h.

When is the highest UV index in Basse Terre?

The months with the highest UV index in Basse Terre, Guadeloupe, are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Basse Terre?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Basse Terre, Guadeloupe.

What is the UV index reading in December in Basse Terre?

In December, the average daily maximum UV index in Basse Terre is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in December
Basse Terre, Guadeloupe

Average temperature in December - Basse Terre, Guadeloupe
  • Average high temperature in December: 27.3°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is March (26.3°C).

  • Average low temperature in December: 25.8°C

The month with the highest average low temperature is September (27.5°C).
The coldest month (with the lowest average low temperature) is February (24.8°C).

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Average pressure in December
Basse Terre, Guadeloupe

Average pressure in December - Basse Terre, Guadeloupe
  • Average pressure in December: 1014.5mbar

The month with the highest atmospheric pressure is June (1016mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).

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Average wind speed in December
Basse Terre, Guadeloupe

Average wind speed in December - Basse Terre, Guadeloupe
  • Average wind speed in December: 22.1km/h

The windiest month (with the highest average wind speed) is July (24km/h).
The calmest month (with the lowest average wind speed) is October (18.1km/h).

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Average humidity in December
Basse Terre, Guadeloupe

Average humidity in December - Basse Terre, Guadeloupe
  • Average humidity in December: 76%

The months with the highest relative humidity are May, July, August and November (77%).
The months with the lowest relative humidity are January, February and March (75%).

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Average rainfall in December
Basse Terre, Guadeloupe

Average rainfall in December - Basse Terre, Guadeloupe
  • Average rainfall in December: 68mm

The wettest month (with the highest rainfall) is August (119mm).
The driest month (with the least rainfall) is February (31mm).

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Average rainfall days in December
Basse Terre, Guadeloupe

Average rainfall days in December - Basse Terre, Guadeloupe
  • Average rainfall days in December: 23.9 days

The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is March (16.9 days).

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Average sea temperature in December
Basse Terre, Guadeloupe

Average sea temperature in December - Basse Terre, Guadeloupe
  • Average sea temperature in December: 27.6°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (26.7°C).

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Average daylight in December /
Average sunshine in December
Basse Terre, Guadeloupe

Average daylight in December / Average sunshine in December - Basse Terre, Guadeloupe
  • Average daylight in December: 11h and 12min

The month with the longest days is June (Average daylight: 13h and 4min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in December: 6h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in December
Basse Terre, Guadeloupe

Average sunshine days in December - Basse Terre, Guadeloupe
  • Average sunshine days in December: 3.6 days

The month with the most sunshine days is March (9.3 days).
The month with the least sunshine days is July (0.7 days).

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Average UV index in December
Basse Terre, Guadeloupe

Average UV index in December - Basse Terre, Guadeloupe
  • 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
Basse Terre, Guadeloupe

Average cloud cover in December - Basse Terre, Guadeloupe
  • Average cloud cover in December: 42

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 35).

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Average visibility in December
Basse Terre, Guadeloupe

Average visibility in December - Basse Terre, Guadeloupe
  • 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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