May weather forecast
Speightstown, Barbados

As May arrives, the average high-temperature peak begins with a shift up to 31°C (87.8°F). The daylight hours continue to lengthen, signaling the peak of summer. With a sea temperature of 28°C (82.4°F), the conditions are optimal for water sports enthusiasts. Despite the increase in rainfall reaching 62mm (2.44"), Speightstown continues to bask in nine hours of sunshine. Be it strolling through the city or lazing on beaches, the weather stays pleasant.

Temperature

The warmest time of the year is May, with temperatures averaging a high of 31°C (87.8°F) and a low of 23°C (73.4°F).

Rainfall

In Speightstown, Barbados, in May, during 10 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, in Speightstown, there are 165 rainfall days, and 1310mm (51.57") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 28°C (82.4°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in May is 12h and 44min.
On the first day of the month, sunrise is at 05:37 and sunset at 18:14. On the last day of May, in Speightstown, sunrise is at 05:30 and sunset at 18:22 AST.

Sunshine

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

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index in Speightstown. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 12 in May leads to these guidelines:
Take every essential safety procedure. Individuals with fair skin could sustain burns in less than 5 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. A sunscreen boasting a minimum SPF of 30 should be generously applied and reapplied even on cloudy days, post swim or outdoor exercise. Stay aware! UV radiation is magnified when reflecting off sand and water.