December weather forecastHoletown, Barbados
December
Weather in December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Holetown, 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
Holetown, 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
Holetown, 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
Holetown, 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
Holetown, 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
Holetown, 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 sea temperature in December
Holetown, Barbados
- Average sea temperature in December: 27°C
The best month for swimming (with the highest average sea temperature) is September (29°C).
The coldest months (with the lowest average sea temperature) are February and March (26°C).
Average daylight in December /
Average sunshine in December
Holetown, 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
Holetown, 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
Holetown, 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
Holetown, 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
Holetown, 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).





