The best months to visit Papua New Guinea are July and August. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Papua New Guinea: January 30°C / 236mm; February 30°C / 200mm; March 30°C / 282mm; April 30°C / 181mm; May 31°C / 81mm; June 30°C / 51mm; July 30°C / 31mm; August 30°C / 33mm; September 30°C / 45mm; October 30°C / 60mm; November 31°C / 105mm; December 30°C / 169mm.