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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.
Weather Averages and Climate in Saint Lucia. St. Lucia has a hot and tropical climate, with an average annual temperature of 27Â° degrees Celsius (80Â° Fahrenheit). The island has gentle trade winds most of the year and has year round temperature between 21Â° and 32Â° Celsius (70 degrees and 90 degrees Fahrenheit). Humidity ranges from 66 to 94 percent.