December weather forecastMullins, Barbados
December
Weather in December
December in Mullins, Barbados, brings a substantial reduction in rainfall compared to the preceding months, declining to 97mm (3.82"). There's a small decrease in daily high temperatures, although the weather remains quite warm by winter standards. The UV index continues its dip from previous months, settling at sizable nine units. As the end of the year approaches, days become slightly shorter, but the ample sunlight continues to offer prime conditions for outdoor enjoyment. The sea temperature maintains a comfortable level, making December a favourite month for underwater escapades despite the late-year dip in daylight hours.Temperature
Upon the onset of December, Mullins witnesses an average high-temperature of a still moderately hot 29°C (84.2°F), showing a close resemblance to the prior month. Throughout the month of December, the average temperature in Mullins dips to a pleasant 22°C (71.6°F) at night.Rainfall
In December, the rain falls for 15 days. Throughout December, 97mm (3.82") of precipitation is accumulated. In Mullins, Barbados, during the entire year, the rain falls for 165 days and collects up to 1310mm (51.57") of precipitation.Sea temperature
In Mullins, the average seawater temperature in December is 27°C (80.6°F).Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.
Daylight
The month with the shortest days is December, with an average of 11h and 24min of daylight.On the first day of the month, sunrise is at 06:05 and sunset at 17:29. On the last day of December, sunrise is at 06:20 and sunset at 17:42 AST.
Sunshine
The average sunshine in December is 8h.UV index
The month with the lowest UV index in Mullins is December, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 9 leads to the following instructions:
Be proactive in protecting yourself; skin and eyes can be harmed if left unprotected. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mullins, Barbados
- Average high temperature in December: 29°C
The warmest month (with the highest average high temperature) is May (31°C).
The months with the lowest average high temperature are January and February (28°C).
- Average low temperature in December: 22°C
The months with the highest average low temperature are May, June, July, August, September, October and November (23°C).
The coldest months (with the lowest average low temperature) are January, February and March (21°C).
Average rainfall in December
Mullins, Barbados
- Average rainfall in December: 97mm
The wettest month (with the highest rainfall) is November (188mm).
The driest month (with the least rainfall) is March (40mm).
Average rainfall days in December
Mullins, Barbados
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is April (8 days).
Average sea temperature in December
Mullins, 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
Mullins, 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: 8h
The months with the most sunshine are January, February, April and May (Average sunshine: 9h).
The month with the least sunshine is October (Average sunshine: 7h).
Average UV index in December
Mullins, Barbados
- Average UV index in December: 9
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).





