The best months to visit Saint Barthélemy are February and March. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Saint Barthélemy: January 27°C / 28mm; February 26°C / 21mm; March 27°C / 20mm; April 27°C / 32mm; May 28°C / 62mm; June 29°C / 47mm; July 29°C / 68mm; August 29°C / 85mm; September 30°C / 115mm; October 30°C / 130mm; November 29°C / 102mm; December 28°C / 48mm.