May weather forecast and climate
Gros Islet, Saint Lucia

Weather in May

May, the last month of the spring, in Gros Islet, is a tropical month, with average temperature fluctuating between 30°C (86°F) and 24°C (75.2°F).

Temperature

May through October, with an average high-temperature of 30°C (86°F), are the warmest months.

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, the average seawater temperature is 28.2°C (82.8°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

The average length of the day is 12.8h.

Sunshine

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

UV index

Months with the highest UV index in Gros Islet are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 12 interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What are the warmest months in Gros Islet?

Warmest months in Gros Islet, Saint Lucia, are May through October, with an average high-temperature of 30°C (86°F).

What is the temperature in May in Gros Islet?

In May, in Gros Islet, the average high-temperature is 30°C (86°F), and the average low-temperature is 24°C (75.2°F).

How many days does it rain in May in Gros Islet?

In Gros Islet, in May, it is raining for 15 days, with typically 124mm (4.88") of accumulated precipitation.

What is the sea water temperature in May in Gros Islet?

In Gros Islet, Saint Lucia, in May, the average water temperature is 28.2°C (82.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Gros Islet have in May?

In May, the average length of the day is 12.8h.

What are the months with the most sunshine in Gros Islet?

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

How many hours of sunshine does Gros Islet have in May?

In Gros Islet, Saint Lucia, the average sunshine in May is 8h.

What is the month with the highest UV index in Gros Islet?

Months with the highest UV index in Gros Islet, Saint Lucia, are March through September, with an average maximum UV index of 12.

What is the UV index intensity in May in Gros Islet?

The average daily maximum UV index in May in Gros Islet, Saint Lucia, is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Gros Islet, Saint Lucia

Average temperature in May - Gros Islet, Saint Lucia
  • Average high temperature in May: 30°C

The warmest months (with the highest average high temperature) are May, June, July, August, September and October (30°C).
Months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in May: 24°C

The month with the highest average low temperature is July (25°C).
The coldest months (with the lowest average low temperature) are January, February and March (22°C).

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Average rainfall in May
Gros Islet, Saint Lucia

Average rainfall in May - Gros Islet, Saint Lucia
  • Average rainfall in May: 124mm

The wettest month (with the highest rainfall) is October (269mm).
The driest month (with the least rainfall) is March (76mm).

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Average rainfall days in May
Gros Islet, Saint Lucia

Average rainfall days in May - Gros Islet, Saint Lucia
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is September (25 days).
The month with the least rainy days is April (11 days).

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Average sea temperature in May
Gros Islet, Saint Lucia

Average sea temperature in May - Gros Islet, Saint Lucia
  • Average sea temperature in May: 28.2°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is March (27°C).

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Average daylight in May /
Average sunshine in May
Gros Islet, Saint Lucia

Average daylight in May / Average sunshine in May - Gros Islet, Saint Lucia
  • Average daylight in May: 12.8h

The month with the longest days is June (Average daylight: 13h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in May: 8h

Months with the most sunshine are January, February, March, April, May, June, July, August, September, November and December (Average sunshine: 8h).
The month with the least sunshine is October (Average sunshine: 7h).

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Average UV index in May
Gros Islet, Saint Lucia

Average UV index in May - Gros Islet, Saint Lucia
  • Average UV index in May: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).

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