December weather forecast
Constant, Barbados

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Weather in December

The first month of the winter, December, is still a warm month in Constant, Barbados, with an average temperature fluctuating between 27.6°C (81.7°F) and 26.5°C (79.7°F).

Temperature

The transition into December reveals an average high-temperature of a still moderately hot 27.6°C (81.7°F), mirroring a close resemblance to November. Maintaining close parity with daytime warmth, the average nocturnal temperature during December stays at a still moderately hot 26.5°C (79.7°F).

Heat index

Throughout December, the heat index is evaluated at a tropical 31°C (87.8°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Constant, Barbados, during December, the rain falls for 16.2 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Constant, Barbados, there are 233.8 rainfall days, and 706mm (27.8") of precipitation is accumulated.

Daylight

With an average of 11h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:05 and sunset at 17:29. On the last day of the month, sunrise is at 06:20 and sunset at 17:42 AST.

Sunshine

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

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Constant, Barbados. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jan 29, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the temperature in December in Constant?

The high-temperature in Constant, Barbados, during December is 27.6°C (81.7°F) and the low-temperature is 26.5°C (79.7°F). In December, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 31°C (87.8°F).

What is the average humidity in December in Constant?

The average relative humidity in December in Constant is 76%.

How much does it rain in Constant in December?

In Constant, Barbados, during December, the rain falls for 16.2 days and regularly aggregates up to 30mm (1.18") of precipitation.

What is the month with the shortest days in Constant?

The month with the shortest days in Constant, Barbados, is December, with an average of 11h and 24min of daylight.

How many hours of daylight does Constant have in December?

The average day length in December is 11h and 22min.

When are sunrise and sunset in December in Constant?

On the first day of December in Constant, sunrise is at 06:05 and sunset at 17:29. On the last day of the month, sunrise is at 06:20 and sunset at 17:42 AST.

What is the month with the least sunshine in Constant?

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

How long on average sun shines in December in Constant?

The average sunshine duration in December is 6.5h.

What is the month with the highest UV index in Constant?

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

What is the month with the lowest UV index in Constant?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index reading in December in Constant?

In Constant, Barbados, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in December
Constant, Barbados

Average temperature in December - Constant, Barbados
  • Average high temperature in December: 27.6°C

The warmest months (with the highest average high temperature) are September and October (28.9°C).
The month with the lowest average high temperature is February (26.8°C).

  • Average low temperature in December: 26.5°C

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

Average pressure in December
Constant, Barbados

Average pressure in December - Constant, Barbados
  • Average pressure in December: 1013mbar

The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in December
Constant, Barbados

Average wind speed in December - Constant, Barbados
  • Average wind speed in December: 26.9km/h

The windiest months (with the highest average wind speed) are January and February (28.3km/h).
The calmest month (with the lowest average wind speed) is September (19.4km/h).

Average humidity in December
Constant, Barbados

Average humidity in December - Constant, Barbados
  • Average humidity in December: 76%

The months with the highest relative humidity are June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).

Average rainfall in December
Constant, Barbados

Average rainfall in December - Constant, Barbados
  • Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is February (13mm).

Average rainfall days in December
Constant, Barbados

Average rainfall days in December - Constant, Barbados
  • Average rainfall days in December: 16.2 days

The month with the highest number of rainy days is July (26.3 days).
The month with the least rainy days is February (11.3 days).

Average daylight in December /
Average sunshine in December
Constant, Barbados

Average daylight in December / Average sunshine in December - Constant, Barbados
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Constant, Barbados

Average sunshine days in December - Constant, Barbados
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is February (14.3 days).
The month with the least sunshine days is July (1.3 days).

Average UV index in December
Constant, Barbados

Average UV index in December - Constant, Barbados
  • 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
Constant, Barbados

Average cloud cover in December - Constant, Barbados
  • Average cloud cover in December: 41

The month with the most cloud cover is June (Cloud cover 49).
The months with the least cloud cover are January and February (Cloud cover 37).

Average visibility in December
Constant, Barbados

Average visibility in December - Constant, Barbados
  • 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).

Constant, Barbados

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