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Saint Barthélemy travel guide

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The climate of Saint Barthélemy
Saint-Barthélemy lies in the Caribbian Sea and is an overseas community belonging to France. Centuries ago Saint Barthélemy was Swedish possession for a long time, with which it has been the only Swedish colony in the Caribbeans ever. That is why you can still find the three crowns in the civic-crest of Saint-Barthélemy, which are the symbol of the Swedish army. The tiny St. Barths (only 21 square kilometers) is a popular holyday destination among the rich and famous. This is mainly because mass tourism does not stand a chance here, for larger aeroplanes than the small ones suitable for maximum twenty persons simply can not land on or take off from the very short runway of airport Gustav III. Therefore the tourists spotted on St. Barths are mainly American popstars, actors, actresses, models and other well-to-do people from the United States who stay in very luxurious hotels and sometimes extremely expensive private villas.
Saint-Barthélemy has a tropical monsoon climate with a drier season from December up to and including April and a wetter season from august up to and including november. The total annual amount of precipitation is approximately a thousand millimeters. Most rain falls in the shape of showers which mostly do not last longer than 10 to 15 minutes. With average temperatures of 29 to 32 degrees it is tropically warm throughout the year.


Climate figures
The figures below are based on registered long-term meteorological information and can, as far as possible, be considered an average for Saint Barthélemy

temperature (°C)


temperature (°C)
hours of sunshine

average days with precipitation
per month
per month
temperature (°C)
January 29 23 8 13 26
February 29 23 8 10 26
March 29 23 9 9 26
April 30 24 9 9 27
May 30 24 8 15 27
June 31 25 8 14 28
July 31 25 8 17 28
August 31 25 8 19 28
September 31 25 9 17 29
October 31 25 8 18 29
November 30 24 8 17 28
December 29 23 8 14 27
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
TextClimate tables are useful but they don’t give an overall picture of the climate and possible weather conditions during a period of time. How high the chances are of hot or cold weather or hurricanes can often not be found in these tables. This is why we offer extra climate information per month. The information below is an average for Saint Bartélemy.

chance of
(very) hot


chance of
(very) cool
chance of

chance of
chance of
sunny days


click here for the explanation of the symbols


The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.


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