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Re: February weather St. Lucia Jul 28, 2009, 10:53 PM February is definitely a good time to go to St. Lucia,as you typically have low amount of rainfall during that month. The average temperature should be about 80-85 degrees. If it happens to rain, then you usually get 10 minute showers during the day and after that the sun comes out again.
Typical Weather in February. During February the temperatures in the Caribbean typically vary between a daily high of about 82.4 degrees and a daily low of approximately 72.1 degrees. During the month of February, it rains an average of 8.7 days. Total precipitation during the month averages 1.9 inches.ypical Weather in February. During February the temperatures in the Caribbean typically vary between a daily high of about 82.4 degrees and a daily low of approximately 72.1 degrees. During the month of February, it rains an average of 8.7 days. Total precipitation during the month averages 1.9 inches.