November is the hottest month in St Lucia with an average temperature of 29°C (83°F) and the coldest is January at 26°C (79°F) with the most daily sunshine hours at 10 in March. The wettest month is September with an average of 193mm of rain. The best month to swim in the sea is in August when the average sea temperature is 29°C (84°F).
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Sunrise 06:13
Sunset 17:35
Sunrise 06:13
Sunset 17:35