The best months to visit Greenland 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 Greenland: January -11°C / 60mm; February -11°C / 46mm; March -9°C / 51mm; April -2°C / 56mm; May 3°C / 60mm; June 9°C / 67mm; July 12°C / 64mm; August 11°C / 80mm; September 7°C / 100mm; October 0°C / 82mm; November -6°C / 79mm; December -9°C / 64mm.