October weather forecast
Mustique, Saint Vincent and the Grenadines

The weather in October captures the essence of autumn in Mustique. Visitors will notice the highest rainfall of the season, amounting to 309mm (12.17"). Despite the rainy spell, temperatures remain moderate enough to enjoy the outdoors when showers permit. The sea temperature remains comfortable for those willing to enjoy a dip between rains. Even though daylight hours are on a decline, the overall weather scenario is that of a typical tropical autumn.

Temperature

October comes with an average high-temperature of a still warm 29°C (84.2°F), equal to September's temperature. Throughout the month of October, Mustique witnesses an average temperature of 23°C (73.4°F).

Rainfall

The month with the most rainfall in Mustique is October, when the rain falls for 18 days and typically aggregates up to 309mm (12.17") 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: 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 October is 11h and 50min.
On the first day of the month, sunrise is at 05:53 and sunset at 17:54. On the last day of October, in Mustique, sunrise is at 05:58 and sunset at 17:38 AST.

Sunshine

September and October, with an average of 7h of sunshine, are months with the least sunshine in Mustique, Saint Vincent and the Grenadines.

UV index

In Mustique, the average daily maximum UV index in October is 11. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In October, the maximum UV index of 11 suggests these recommendations:
Employ every precaution of importance, unprotected skin and eyes could burn within moments. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. One should apply and reapply liberally a broad-spectrum sunscreen of SPF 30+ every two hours and immediately after a swim or an outdoor exercise. Caution! The Sun's UV rays become stronger due to reflections from water and sand.