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The average day light hours per day in St Lucia in February are 11.7 and there are 4.7 hours of sunshine per day on average during February making it a sunny month that is overcast at times. The ultraviolet index in St Lucia in February is typically 11.6 during February.
St Lucia Weather, climate and geography Weather and climate Best time to visit. The weather in St Lucia is typical of most Caribbean islands. There is a hot, tropical climate tempered by trade winds throughout most of the year with temperatures ranging from 21Â°C (70Â°F) to 32Â°C (90Â°F).