January weather forecastRockley, Barbados
January
Weather in January
Weather in Rockley, Barbados, commences the year on a warm note. Despite the welcoming warmth, occasional rain showers drape the city frequently, with rainfall reaching up to 63mm (2.48") throughout the month. Visitors will find the ocean waters quite inviting for a swim, offering a perfect respite from the balmy weather. As the evening transcends, the temperatures dip, rendering a delightful chill in the air. The weather starts transitioning as the month advances, making way for February's warmer and drier climate.Temperature
January is the coldest month, with the temperature often reaching an average high of 28°C (82.4°F) and an average low of 21°C (69.8°F).Rainfall
In Rockley, during January, the rain falls for 13 days and regularly aggregates up to 63mm (2.48") of precipitation. Throughout the year, there are 156 rainfall days, and 1238mm (48.74") of precipitation is accumulated.Sea temperature
In January, the average sea temperature is 27°C (80.6°F).Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.
Daylight
The average length of the day in January is 11h and 28min.On the first day of the month, sunrise is at 06:20 and sunset at 17:42. On the last day of January, in Rockley, sunrise is at 06:24 and sunset at 17:58 AST.
Sunshine
January, February, April and May, with an average of 9h of sunshine, are months with the most sunshine.UV index
In January, the average daily maximum UV index is 10. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 10 during January translates into the following recommendations:
Emphasize protection. Neglecting it can lead to swift damage to the skin and eyes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. A sunscreen with at least SPF 30 should be used liberally and reapplied frequently on cloudy days, especially after swimming or an outdoor workout. Alert! UV radiation becomes sharper due to reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rockley, Barbados
- Average high temperature in January: 28°C
The warmest months (with the highest average high temperature) are May, June and August (31°C).
The month with the lowest average high temperature is January (28°C).
- Average low temperature in January: 21°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 January
Rockley, Barbados
- Average rainfall in January: 63mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is March (37mm).
Average rainfall days in January
Rockley, Barbados
- Average rainfall days in January: 13 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is April (7 days).
Average sea temperature in January
Rockley, Barbados
- Average sea temperature in January: 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 January /
Average sunshine in January
Rockley, Barbados
- Average daylight in January: 11h and 30min
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 January: 9h
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 January
Rockley, Barbados
- Average UV index in January: 10
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).





