The best months to visit Svalbard and Jan Mayen 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 Svalbard and Jan Mayen: January -11°C / 44mm; February -12°C / 33mm; March -12°C / 36mm; April -8°C / 24mm; May -2°C / 22mm; June 3°C / 18mm; July 8°C / 32mm; August 7°C / 40mm; September 2°C / 46mm; October -4°C / 42mm; November -7°C / 48mm; December -10°C / 47mm.