St Lucia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit St Lucia.
Climate overview of St Lucia
With consistently stable weather, St Lucia, KwaZulu-Natal, South Africa, sees little seasonal temperature change. Daytime highs average 26°C (79°F), ranging from 29°C (84°F) in February to 24°C (75°F) in July.
With around 1022 mm (40 in) of annual rainfall, St Lucia has a notably wet climate. The wettest month is February.
St Lucia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St Lucia — and find the best time to visit.
Monthly Temperature in St Lucia
The climate in St Lucia remains fairly constant, offering comfortable temperatures throughout the year. Average daytime temperatures reach a comfortable 29°C (84°F) in February. In July, the coolest month of the year, temperatures drop to a comfortable 24°C (75°F).
At night, temperatures range from around 24°C (75°F) in February to 18°C (64°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in St Lucia
St Lucia is known for its substantial rainfall, with annual precipitation reaching 1022 mm (40 in). St Lucia can be quite wet during February, receiving approximately 121 mm (4.8 in) of precipitation over 11 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 46 mm (1.8 in) of precipitation spread across 7 rainy days days. For more details, please visit our St Lucia Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit St Lucia
While you can visit anytime with confidence, the drier months like August (with just 46 mm (1.8 in) rainfall) provide the most favorable conditions for extended outdoor exploration and flexible itineraries. 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 St Lucia
What is the best time to visit St Lucia?
April, May, June, July, August, September and October typically offer the most optimal weather in St Lucia. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in St Lucia?
Daytime highs range from 24°C (75°F) in July to 29°C (84°F) in February. Nighttime lows range from 18°C (64°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does St Lucia get?
Annual rainfall is around 1022 mm (40 in). February is the wettest month with 121 mm (4.8 in), while August is the driest with 46 mm (1.8 in).
St Lucia 3-Day Forecast
St Lucia 3-Day Forecast
St Lucia on the map
St Lucia is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Durban
23°C (73°F) Pretoria
21°C (70°F) Gqeberha20°C (68°F) Johannesburg20°C (68°F) Knysna19°C (66°F) Cape Town17°C (63°F) Hermanus
17°C (63°F) Stellenbosch
17°C (63°F) 
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