Climate and Average Weather in Saint Lucia

Saint Lucia has a hot and tropical climate, with an average annual temperature of 27 degrees Celsius (80° Fahrenheit). The island has gentle trade winds most of the year. Humidity ranges from 77 to 82 percent. Summer temperatures range from 23° to 35° Celsius (75° to 95° Fahrenheit) and in the winter from 18 to 29 degrees Celsius (65° to 85° Fahrenheit). Average annual rainfall ranges from 1,400 mm (55.1 in) on the coast to 3,900 mm (153.5 in) in the rain forest.

The best time to visit Saint Lucia is from January until April. This is the most dry period and in general temperatures are very pleasant. The minimum temperature during the night is around 20 degrees Celsius (68° F) and the maximum temperate is between 27 and 30°C (80-86°F) in these months.

Interested in more detailed Weather and Climate information?
Please select the city you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical weather data like humidity, wind speed and water temperature.

Places in Saint Lucia

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

Regions in Saint Lucia