May weather forecast
Gros Islet, Saint Lucia

May experiences an upsurge in the city’s rainfall, registering a sum of 124mm (4.88"). The climate continues to present a balanced warmth despite the significant increment in sea temperatures from 27.7°C (81.9°F) to 28.2°C (82.8°F). Gros Islet, in its graceful transition into the mid-year, exudes a tropical charm under the persistent glow of the sun. The daylight lends an enchanting glow to the city. Despite the extensive rainfall, the city's weather maintains a certain degree of steadiness.

Temperature

Gros Islet sees the highest average temperatures during the months of May through October, peaking at 30°C (86°F).

Rainfall

In May, the rain falls for 15 days. Throughout May, 124mm (4.88") of precipitation is accumulated. Throughout the year, in Gros Islet, there are 209 rainfall days, and 2035mm (80.12") of precipitation is accumulated.

Sea temperature

In Gros Islet, Saint Lucia, in May, the average water temperature is 28.2°C (82.8°F).
Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

The average length of the day in May is 12h and 47min.
On the first day of May, sunrise is at 05:41 and sunset at 18:20. On the last day of the month, sunrise is at 05:34 and sunset at 18:28 AST.

Sunshine

The months with the most sunshine are January through September, November and December, with an average of 8h of sunshine.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In May, a regular UV index of 12 translates into these guidelines:
Implement all key precautions. Warding off sun damage is critical. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Regardless of the cloudiness of the day, a sunscreen with SPF 30 or more should be applied and reapplied generously, specifically after swimming or outdoor exercise. Notice! Sand and water reflections contribute to a stronger UV exposure.