Climate and average weather in Saint Lucia
St. 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 and has year round temperature between 21° and 32° Celsius (70 degrees and 90 degrees Fahrenheit). Humidity ranges from 66 to 94 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).
Interested in more detailed information on the Weather and Climate in Saint Lucia?
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.
Regions in Saint Lucia
- Castries (1)
Places in Saint Lucia
Select a city to see its average temperature, precipitation and hours of sunshine over the year.