December weather forecastSpeightstown, Barbados

December
Weather in December
December brings a further drop in rainfall to 97mm (3.82"), marking the end of the heavy rainy season in Speightstown. With daylight hours reaching their lowest at 11.4, the cooler season sets in. The sea temperature sees a minor drop, still offering soothing plunges. Sunshine hours stay constant, ensuring afternoons are bright and inviting. Bringing a refreshing change, December welcomes visitors with a more relaxed weather rhythm.Temperature
November's transformation into December witnesses an average high-temperature of a still warm 29°C (84.2°F), consistent with the conditions of the preceding month. In the month of December, an average of 22°C (71.6°F) marks the low-temperature in Speightstown.Rainfall
In December, in Speightstown, the rain falls for 15 days. Throughout December, 97mm (3.82") of precipitation is accumulated. In Speightstown, during the entire year, the rain falls for 165 days and collects up to 1310mm (51.57") of precipitation.Sea temperature
In Speightstown, Barbados, the average seawater temperature in December is 27°C (80.6°F).Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
December has the shortest days of the year, 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, in Speightstown, Barbados, sunrise is at 06:20 and sunset at 17:42 AST.
Sunshine
In Speightstown, the average sunshine in December is 8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 9 transforms into the following instructions:
Immediate precautions are necessary; otherwise, skin and eyes might get damaged quickly. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout. Attention! UV strength is notably upped by the reflection of sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Speightstown, 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
Speightstown, 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
Speightstown, 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
Speightstown, 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
Speightstown, 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
Speightstown, 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).





