Caribbean
Best time to visit St Lucia
St Lucia is hot all year, with highs of 27–30°C, so the best time to visit is the drier season: December to May. August is the wettest month, with rain on about 21 days.
St Lucia month by month
From daily weather for 2011–2025. Tap a month for the full picture.
- January27°WetSea 27° · 14 rainy days
- February27°WetSea 27° · 10 rainy days
- March28°WetSea 27° · 11 rainy days
- April29°WetSea 28° · 13 rainy days
- May29°WetSea 28° · 13 rainy days
- June29°WetSea 28° · 15 rainy days
- July29°WetSea 29° · 21 rainy days
- August30°WetSea 29° · 21 rainy days
- September30°WetSea 30° · 18 rainy days
- October30°WetSea 30° · 21 rainy days
- November29°WetSea 29° · 20 rainy days
- December28°WetSea 28° · 14 rainy days
Beach weather = highs of 25°C or more and fewer than seven rainy days. Good for sightseeing = highs between 18°C and 28°C and fewer than ten rainy days. Very hot = highs of 33°C or more. Wet = ten or more rainy days. Cool = highs below 18°C. How we measure
Quick answers
- When is the best time to visit St Lucia?
- St Lucia is hot all year, with highs of 27–30°C, so the best time to visit is the drier season: December to May. August is the wettest month, with rain on about 21 days.
- What is the hottest month in St Lucia?
- September, with average highs of 30°C and lows of 23°C.
- When is the sea warmest in St Lucia?
- September, at about 30°C. It is coolest in February, at about 27°C.
- What is the rainiest month in St Lucia?
- August, with rain on about 21 days and 229 mm in a typical month.