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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.
Typical Weather in January. January temperatures on St. Lucia range from an average low of 76.0 degrees to an average high of 82.0 degrees. On a typical January day, during the early morning hours you will probably find the temperature will be around 76.8 degrees. In January, temperatures typically rise to around 81.6 degrees by early afternoon.