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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.
Average Temperatures. St. Lucia climate is typical for eastern Caribbean weather. It has monthly high temperatures average in the mid-80s Fahrenheit with only a few degrees of variation throughout the year. The average low temperatures hover around the mid-70s.