December weather forecastAlexandra, Barbados
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Alexandra, Barbados, with an average temperature ranging between min 26.5°C (79.7°F) and max 27.6°C (81.7°F).Temperature
The start of December marks an average high-temperature of a still moderately hot 27.6°C (81.7°F), hardly distinguishable from the conditions in November. Alexandra's nighttime average temperature in December subtly descends to a still warm 26.5°C (79.7°F) from the daily highs.Heat index
For most parts of December, the heat index is appraised at a tropical 31°C (87.8°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in December is 76%.Rainfall
In Alexandra, during December, the rain falls for 16.2 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Alexandra, 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 in Alexandra, 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
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 7 in December translates into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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
Alexandra, 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).





