Monthly weather forecast and climate
Gros Islet, Saint Lucia

What are the coldest months in Gros Islet?

January and February, with an average high-temperature of 28°C (82.4°F), are the coldest months in Gros Islet, Saint Lucia.

How many days does it rain in Gros Islet?

Throughout the year, in Gros Islet, Saint Lucia, there are 209 rainfall days, and 2035mm (80.1") of precipitation is accumulated.

What is the driest month in Gros Islet?

The month with the least rainfall is March when the rain falls for 13 days and typically collects 76mm (3") of precipitation.

What is the month with the coldest sea water in Gros Islet?

March is the month with the coldest seawater, with an average sea temperature of 27°C (80.6°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.

What is the warmest month 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 month with the warmest sea water in Gros Islet?

Month with the warmest seawater is September, with an average sea temperature of 29.4°C (84.9°F). 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.

What is the rainiest month in Gros Islet?

October is the month with the most rainfall. Rain falls for 18 days and accumulates 269mm (10.6") of precipitation.
Average temperature - Gros Islet, Saint Lucia
Average rainfall - Gros Islet, Saint Lucia
Average rainfall days - Gros Islet, Saint Lucia
Average sea temperature - Gros Islet, Saint Lucia

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).

Average daylight / Average sunshine - Gros Islet, Saint Lucia

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

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

Average UV index - Gros Islet, Saint Lucia

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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