The best months to visit Bhutan 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 Bhutan: January 10°C / 69mm; February 11°C / 100mm; March 14°C / 158mm; April 21°C / 167mm; May 22°C / 248mm; June 24°C / 402mm; July 24°C / 503mm; August 24°C / 378mm; September 24°C / 267mm; October 21°C / 150mm; November 18°C / 79mm; December 15°C / 65mm.