In June, the weather in Gros Islet is typically hot. Average daily high temperature in June is about 28 degrees above zero. On average, Gros Islet has 15 rainy, 9 sunny, 4 partly cloudy, and 2 cloudy days in June. The rains are usually heavy. June as well as July, August, September, and October is considered the most uncomfortable time to visit Gros Islet.