The best months to visit Nepal are November and December. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Nepal: January 17°C / 40mm; February 20°C / 47mm; March 24°C / 54mm; April 30°C / 78mm; May 29°C / 202mm; June 29°C / 461mm; July 27°C / 793mm; August 27°C / 662mm; September 27°C / 350mm; October 25°C / 87mm; November 22°C / 21mm; December 18°C / 19mm.