Hurricane season in St. Lucia is from June to November, overlapping with the island's rainy season. The months with the lowest percentage of rainy days are March and April, while the months with the highest percentage of rainy days are August, November, January and July.
September and October are the most likely months for a hurricane to hit St. Lucia. St. Lucia experiences about the same amount of tropical storms and hurricanes as the U.S. northeast coast. Year-round temperatures in St. Lucia vary between the mid-70s and -80s in degrees Fahrenheit. The hottest times are from June to August, while the coolest are December and January. The year-round humidity ranges from 70 to 90 percent.