The best months to visit North Korea are October and April. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in North Korea: January 0°C / 13mm; February 3°C / 20mm; March 9°C / 27mm; April 17°C / 53mm; May 22°C / 94mm; June 27°C / 108mm; July 28°C / 275mm; August 28°C / 228mm; September 25°C / 95mm; October 18°C / 44mm; November 9°C / 46mm; December 2°C / 24mm.