Saint Lucia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint Lucia.
Climate overview of Saint Lucia
Saint Lucia, Saint Lucia, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in September at 31°C (88°F) and dipping in February to 29°C (84°F).
With around 969 mm (38 in) of annual rainfall, the city has moderate precipitation levels. October is the wettest month and February the driest. It also has a distinct dry season from February to March. May is the sunniest month, averaging 8.3 hours of sunshine per day.
Saint Lucia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Lucia — and find the best time to visit.
Monthly Temperature in Saint Lucia
With minimal seasonal shifts, Saint Lucia experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in September to a comfortable 29°C (84°F) in the coolest month, February.
Nights vary from 26°C (79°F) in September to around 24°C (75°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint Lucia
Generally, Saint Lucia receives mid-range precipitation levels, with 969 mm (38 in) annually. The climate in Saint Lucia shows significant variation throughout the year. Expect high rainfall in October, the wettest month, with an average of 137 mm (5.4 in) of precipitation over 18 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 36 mm (1.4 in) of rainfall over 13 rainy days. For more details, please visit our Saint Lucia Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Saint Lucia
If you're planning a trip to Saint Lucia, rest assured that sunshine is an important factor. With peak sunshine in May at 8.3 hours daily and a slight dip to 7.1 hours in October, it maintains a sunny destination year-round.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Saint Lucia by Month
The relative humidity is high throughout the year in Saint Lucia.
The city experiences its highest humidity in November, reaching 84%. In April, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Saint Lucia
It's smart to plan your activities during the cooler morning hours or take advantage of the refreshing evenings. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Saint Lucia
What is the best time to visit Saint Lucia?
January, February and March typically offer the most optimal weather in Saint Lucia. In contrast, July, August, September, October and November tend to have less optimal conditions. Saint Lucia has a distinct dry season from February to March.
What temperatures can I expect in Saint Lucia?
Daytime highs range from 29°C (84°F) in February to 31°C (88°F) in September. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Saint Lucia get?
Annual rainfall is around 969 mm (38 in). October is the wettest month with 137 mm (5.4 in), while February is the driest with 36 mm (1.4 in).
How sunny is Saint Lucia?
Saint Lucia receives around 2,880 hours of sunshine per year. May is the sunniest month with 249 hours, while October is the cloudiest with just 214 hours. Overall, Saint Lucia enjoys abundant sunshine.
Saint Lucia 3-Day Forecast
Saint Lucia 3-Day Forecast
Saint Lucia on the map
Saint Lucia is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Laborie
30°C (86°F) Rodney Bay Village30°C (86°F) Gros Islet30°C (86°F) Castries31°C (88°F) Soufrière30°C (86°F) Marigot Bay31°C (88°F) Cap Estate30°C (86°F) Vieux Fort30°C (86°F) 
