March weather forecastRockley, Barbados
March
Weather in March
In March, Rockley welcomes a raise in temperatures, signifying the advent of spring. The city witnesses a noticeable decrease in rainfall from the preceding month with the intense sun forcing rapid evaporation rates. This month allows visitors to bask in the warmth of Rockley's beaches by the calm azure waters under the steadily increasing daylight hours. As the last vestiges of the cooler dry months fades, the weather paves the way for the warmer and rainier April.Temperature
The arrival of March sees a recorded average high-temperature of a tropical 30°C (86°F), showing little divergence from the previous month's conditions. During the nights in March, Rockley experiences a consistent average temperature of 21°C (69.8°F).Rainfall
March is the month with the least rainfall in Rockley. Rain falls for 8 days and accumulates 37mm (1.46") of precipitation.Sea temperature
February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.Note: For activities such as swimming and diving, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.
Daylight
The average length of the day in March is 12h and 4min.On the first day of the month, sunrise is at 06:13 and sunset at 18:07. On the last day of March, sunrise is at 05:54 and sunset at 18:10 AST.
Sunshine
In March, the average sunshine is 8h.UV index
February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 12 during March translates into the following guidance:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Experience reduced UV exposure by about half when donning a wide-brim hat. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Rockley, Barbados
- Average high temperature in March: 30°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 March: 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 March
Rockley, Barbados
- Average rainfall in March: 37mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is March (37mm).
Average rainfall days in March
Rockley, Barbados
- Average rainfall days in March: 8 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 March
Rockley, Barbados
- Average sea temperature in March: 26°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 March /
Average sunshine in March
Rockley, Barbados
- Average daylight in March: 12h and 6min
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 March: 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 March
Rockley, Barbados
- Average UV index in March: 12
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).





