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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.
Because of its tropical climate, St Lucia is humid all-year-round. In March, the relative humidity fluctuates between 62% (mildly humid) and 87% (very humid), rarely falling below 55% (mildly humid) or reaching as high as 98% (very humid).