Weather on St. Lucia in March

March on St. Lucia is characterized by warm temperatures and some of the lowest amounts of rainfall all year. Vacationers will find the hot sun tempered by cool trade winds off of the water a comfortable change from some of the chilly winter weather back home.

Typical Weather in March

March temperatures on St. Lucia range from an average low of 77.0 degrees to an average high of 83.0 degrees


St. Lucia in March: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
83.0° F 77.0° F N.A. 14.0

On any given day during March on St. Lucia, you can expect early morning temperatures to be around 78.3 degrees. The temperature will rise over the course of the typical March day, reaching somewhere around 82.9 degrees by early afternoon. By the early evening hours in March the temperature will generally fall to somewhere in the vicinity of 76.8 degrees. For the month of March as a whole, temperatures on St. Lucia average around 80.3 degrees.


March Temperatures on St. Lucia by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
78.3° F 82.3° F 82.9° F 80.5° F 76.8° F 80.3° F



Rain is least likely to occur on St. Lucia during March around 2:00 PM , and it is most likely to occur around 8:00 AM . In St. Lucia during March, thunderstorms -- when they occur -- are most likely sometime around 8:00 AM .


March Rainfall on St. Lucia by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
2:00 AM # #
5:00 AM # #
8:00 AM 21.2 % 0.5 %
11:00 AM 18 % 0 %
2:00 PM 12.4 % 0 %
5:00 PM 14.5 % 0 %
8:00 PM 14.8 % 0 %
11:00 PM # #
ALL 16.4 % 0.1 %


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