May weather forecast
Grenadines, Saint Vincent and the Grenadines

Optimum beach weather sets in during May in Grenadines, Saint Vincent and the Grenadines, with sea temperature hitting the 28°C (82.4°F) mark. A further increase to 23°C (73.4°F) in the low temperature is noticeable. Also, a minor increase observes in the total amount of rainfall during May, signaling the start of the rainy season. Despite this, the month is characterized by more sunlight hours and continues to be a popular time for beach and water activities. Local festivities and tourism are undeterred by the onset of the rainy season, with May continuing to be a busy and vibrant month in Grenadines, Saint Vincent and the Grenadines.

Temperature

The months of April through November see the peak of Grenadines's temperatures, averaging a high of 30°C (86°F).

Rainfall

In Grenadines, during May, the rain falls for 14 days and regularly aggregates up to 76mm (2.99") of precipitation. Throughout the year, there are 200 rainfall days, and 1594mm (62.76") of precipitation is accumulated.

Sea temperature

In Grenadines, in May, the average water temperature is 28°C (82.4°F).
Note: Swimming, diving, and other water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are highly enjoyable and provide prolonged comfort without unease.

Daylight

The average length of the day in May is 12h and 44min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:20. On the last day of May, sunrise is at 05:37 and sunset at 18:27 AST.

Sunshine

January through May and August, with an average of 8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 12 transforms into these recommendations:
Adopt all important safety measures, unprotected skin may burn rapidly. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. A sunscreen boasting a minimum SPF of 30 should be generously applied and reapplied even on cloudy days, post swim or outdoor exercise. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.