December weather forecast
Holetown, Barbados

Rounding off the year, December in Holetown, Barbados, offers visitors remarkable weather, imbuing the holiday spirit. There's a drop in rainfall, making outdoor activities significantly more enjoyable. Concurrently, the wind speed escalates, introducing a slightly cooler breeze to the otherwise warm landscape. There's a rise in air pressure from 1011.2mb in November to 1013mb. The season’s festivities combined with accommodating weather conditions mark December as a choice month for holidaymakers to enjoy what Holetown has to offer.

Temperature

The average high-temperature in Holetown during December registers at a still moderately hot 27.6°C (81.7°F), closely corresponding to the preceding month. Recording a slight decline in temperature during the nights, Holetown's December temperatures average at a still moderately hot 26.5°C (79.7°F).

Heat index

Throughout December, the heat index is computed to be a tropical 31°C (87.8°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Holetown, in December, during 16.2 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Holetown, there are 233.8 rainfall days, and 706mm (27.8") of precipitation is accumulated.

Sea temperature

In Holetown, in December, the average water temperature 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 11h and 24min of daylight, December has the shortest days of the year in Holetown.
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

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

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Holetown. The months with the lowest UV index in Holetown are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 7 during December translates into the following guidance:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! Reflections from sand and water can surge UV radiation exposure.