Gros Islet Weather & Climate: Best Time to Visit

The temperature in Gros Islet remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures reach a very warm 31°C (88°F) in September. In January, the coolest month of the year, temperatures drop to a comfortable 28°C (82°F).

At night, temperatures range from around 26°C (79°F) in September to 24°C (75°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Gros Islet has a relatively rainy climate with high precipitation levels, averaging 1064 mm (42 in) of rainfall annually. Gros Islet can be quite wet during October, receiving approximately 149 mm (5.9 in) of precipitation over 18 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 39 mm (1.5 in) of precipitation spread across 13 rainy days. For more details, please visit our Gros Islet Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Despite minor fluctuations, Gros Islet enjoys a fairly consistent amount of sunshine throughout the year. In May, you can expect approximately 8.3 hours of daily sunshine, while even in October, Gros Islet still receives about 7.1 hours.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Gros Islet.

The city experiences its highest humidity in November, reaching 84%. In April, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year