May weather forecast
Rockley, Barbados

May is the threshold month in Rockley, as the city embraces an upswing in rainfall. With the showers gaining strength and frequency from April figures, locals and tourists can expect a change in the weather demeanor. The warmth continues to linger in the city; however, occasional showers provide a welcome respite. Longer hours of daylight harmonize with sea temperatures to allow for a variety of water sports. As May succumbs to June, the weather hints increasingly towards the arrival of heavier downpours and darker clouds.

Temperature

Rockley experiences its warmest period in May, June and August, averaging a high-temperature of 31°C (87.8°F).

Rainfall

In Rockley, in May, it is raining for 10 days, with typically 57mm (2.24") of accumulated precipitation. Throughout the year, there are 156 rainfall days, and 1238mm (48.74") of precipitation is accumulated.

Sea temperature

In Rockley, the average seawater temperature in May is 28°C (82.4°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Rockley, Barbados, the average length of the day in May is 12h and 44min.
On the first day of May in Rockley, sunrise is at 05:37 and sunset at 18:13. On the last day of the month, sunrise is at 05:30 and sunset at 18:21 AST.

Sunshine

January, February, April and May, with an average of 9h of sunshine, are months with the most sunshine in Rockley.

UV index

The months with the highest UV index in Rockley are February through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 12 in May suggests the following recommendations:
Put into action all crucial precautions. Defense against sun damage is a must. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.