The most obvious reason to visit any Caribbean destination is the weather, which can best be described as “endless summer.” St. Lucia enjoys a tropical climate, with steady northeast trade winds that make for pleasant conditions year-round. December through May is the driest and coolest time, with daytime temperatures in the 70s-80s (Fahrenheit).
June through August are the hottest months, when daytime temperatures may rise into the 90s. While the rainy season runs from June through November, you shouldn’t expect constant rain. Instead, we see numerous short, intense showers. Hurricanes are the most serious weather risk during these months, and although the odds are quite low that a hurricane will strike while you’re on island, we do recommend travel insurance to protect your vacation.