December weather forecastCave Hill, Barbados

December

Weather in December

December in Cave Hill, Barbados, signifies a mild and pleasant end to the year. As the final month, it carries the reduced characters of the wet season, yet maintains a warmer temperature range. Decreased rainfalls, reduced humidity, and a significant climb in sunshine hours combine to make a more serene weather pattern. The month records a considerable drop in rainfall, reducing to 30mm (1.18") compared to November. December's weather conditions are predominantly fair, allowing locals and visitors alike to celebrate the festive season amidst a warm, picturesque tropical environment.

Temperature

Cave Hill experiences a subtle adjustment in high-temperatures to a still moderately hot 27.6°C (81.7°F) with the onset of December, maintaining near parity with November's 28.2°C (82.8°F). Cave Hill sees a minor drop to an average minimum temperature of 26.5°C (79.7°F) during the night in the month of December.

Heat index

December's heat index is computed to be a hot 31°C (87.8°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In Cave Hill, the average relative humidity in December is 76%.

Rainfall

In December, in Cave Hill, the rain falls for 16.2 days. Throughout December, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 233.8 rainfall days, and 706mm (27.8") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Cave Hill, with an average of 11h and 24min of daylight.
On the first day of December in Cave Hill, 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. The months with the lowest UV index 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 radiation for ordinary individuals.
Note: In December, a regular UV index of 7 translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

The high-temperature 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. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 31°C (87.8°F).

In Cave Hill, Barbados, the average relative humidity in December is 76%.

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

December has the shortest days of the year in Cave Hill, with an average of 11h and 24min of daylight.

In Cave Hill, the average day length in December is 11h and 22min.

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

The month with the least sunshine in Cave Hill, Barbados, is December, with an average of 6.5h of sunshine.

In December, the average sunshine duration is 6.5h.

January through December, with an average maximum UV index of 7, are months with the highest UV index in Cave Hill, Barbados.

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

The average daily maximum UV index in December in Cave Hill, Barbados, is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cave Hill, 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
Cave Hill, 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
Cave Hill, 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
Cave Hill, 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
Cave Hill, 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
Cave Hill, 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
Cave Hill, Barbados

  • Average daylight in December: 11h and 24min

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 30min

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
Cave Hill, 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
Cave Hill, 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
Cave Hill, 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
Cave Hill, 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).