Temperatures on St. Lucia

A day well planned is a day well spent.  Knowing the weather patterns of St. Lucia before you embark on your vacation will help you to make the most of your trip.

This chart lists each month's high and low average temperatures.  This allows you to quickly see what you should expect during your trip to the island, and gives you an idea of what type of clothing would be appropriate to pack.

Average High and Low Temperature
  Monthly Averages
Month High Low
January 82.0° F 76.0° F
February 82.0° F 76.0° F
March 83.0° F 77.0° F
April 84.0° F 78.0° F
May 86.0° F 80.0° F
June 85.0° F 81.0° F
July 85.0° F 80.0° F
August 86.0° F 80.0° F
September 86.0° F 80.0° F
October 86.0° F 79.0° F
November 84.0° F 79.0° F
December 83.0° F 77.0° F
Annual 84.0° F 78.0° F


The chart below takes each month and further breaks average temperatures down into time of day.  In St. Lucia, the coolest times of day are when the sun is low in the sky, such as early morning and early evening.  Though temperatures are similar during these two times of day, outdoor physical activity (such as hiking and exploring) is best done in the early morning as the sun is rising, so darkness does not catch you unawares.  Late morning and early afternoon temperatures vary only slightly, but are still around three to four degrees hotter than early morning.  These time periods are best spent sunbathing, participating in water sports, and exploring indoor attractions.  If you are going to be outside or at the beach, protect yourself with a high SPF sun block.

 

Average Temperature by Time of Day
  Average Temperatures throughout the Day
Month Early
Morning
Late
Morning
Early
Afternoon
Late
Afternoon
Early
Evening
Overall
January 76.8° F 81.2° F 81.6° F 79.5° F 76.2° F 79.2° F
February 76.9° F 81.1° F 81.7° F 79.5° F 76.2° F 79.2° F
March 78.3° F 82.3° F 82.9° F 80.5° F 76.8° F 80.3° F
April 80.0° F 83.8° F 84.1° F 81.4° F 78.2° F 81.7° F
May 81.3° F 84.9° F 85.3° F 82.5° F 79.5° F 82.9° F
June 81.7° F 84.7° F 85.0° F 82.8° F 80.5° F 83.1° F
July 81.5° F 84.5° F 84.9° F 82.7° F 80.2° F 82.9° F
August 81.5° F 84.9° F 85.4° F 83.0° F 80.3° F 83.1° F
September 81.8° F 85.3° F 85.2° F 82.6° F 80.0° F 83.1° F
October 81.5° F 85.4° F 85.0° F 82.1° F 79.5° F 82.9° F
November 80.3° F 83.8° F 83.5° F 80.8° F 78.7° F 81.6° F
December 78.3° F 82.0° F 82.3° F 79.9° F 77.3° F 80.1° F
Annual 80.0° F 83.6° F 83.9° F 81.4° F 78.6° F 81.7° F

 

 

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