The best months to visit Dominica 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 Dominica: January 25°C / 38mm; February 26°C / 26mm; March 26°C / 26mm; April 27°C / 36mm; May 28°C / 48mm; June 28°C / 53mm; July 27°C / 83mm; August 27°C / 106mm; September 28°C / 124mm; October 28°C / 120mm; November 28°C / 106mm; December 26°C / 55mm.