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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 July. July temperatures on St. Lucia range from an average low of 80.0 degrees to an average high of 85.0 degrees. On a typical July day, during the early morning hours you will probably find the temperature will be around 81.5 degrees. In July, temperatures typically rise to around 84.9 degrees by early afternoon.