St. Lucia Weather

St. Lucia lays at latitude 13 54' north of the equator and 60 50' west. As with many Caribbean islands, visitors should expect the weather in St. Lucia to be hot and humid conditions year round due to the island's proximity to the equator. Fortunately, visitors will rarely feel uncomfortable as mild trade winds bring cool breezes off the water that offer some respite from the heat.

The weather in St. Lucia ranges from 70 degrees Fahrenheit to the upper 90 degrees Fahrenheit. Humidity on the island averages between 70 percent and 90 percent throughout the year. December through January are generally the coolest months with the temperatures being in the mid 70s to mid 80 degrees Fahrenheit. The summer months of June through August are the hottest in St. Lucia where temperatures in the mid to upper 90s Fahrenheit are not uncommon.