The best months to visit Bangladesh are January and December. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Bangladesh: January 23°C / 6mm; February 27°C / 20mm; March 31°C / 64mm; April 37°C / 164mm; May 35°C / 315mm; June 34°C / 359mm; July 33°C / 346mm; August 31°C / 270mm; September 32°C / 265mm; October 31°C / 147mm; November 29°C / 25mm; December 25°C / 9mm.