October weather forecast
Grand Anse Beach, Saint Lucia

October weather at Grand Anse Beach sees the accumulated rainfall peak at 269mm (10.59"). However, despite the high rainfall, the decreased number of rainy days marks the beginning of the end of the rainy season. The daylight hours and UV index gradually decline, signalling the transition into the cooler season. Consequently, temperatures slightly decrease, offering a mild and pleasant climate. Meanwhile, the sea maintains its warmth, extending the perfect conditions for water-based activities.

Temperature

In Grand Anse Beach, the months of May through October register the highest average temperatures, peaking at 30°C (86°F).

Rainfall

The month with the most rainfall in Grand Anse Beach is October, when the rain falls for 18 days and typically aggregates up to 269mm (10.59") of precipitation.

Sea temperature

The months with the warmest seawater are September and October, with an average sea temperature of 29°C (84.2°F).
Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is seen as very warm and delightful by everyone. During these temperatures, water activities become enjoyable, without causing discomfort for extended periods.

Daylight

The average length of the day in October is 11h and 49min.
On the first day of the month, sunrise is at 05:53 and sunset at 17:52. On the last day of October, in Grand Anse Beach, sunrise is at 05:58 and sunset at 17:36 AST.

Sunshine

The month with the least sunshine is October, with an average of 7h of sunshine.

UV index

In Grand Anse Beach, the average daily maximum UV index in October is 11. A UV Index value of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, the maximum UV index of 11 suggests this advice:
Carry out all crucial safety measures, unprotected skin may burn instantly. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Despite the overcast weather, sunscreen with SPF of at least 30 should be applied liberally and reapplied often, particularly after swimming or an outdoor workout. Notice! Sand and water reflections contribute to a stronger UV exposure.