The best months to visit Sweden are June and July. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Sweden: January 0°C / 37mm; February 1°C / 31mm; March 4°C / 32mm; April 9°C / 33mm; May 14°C / 43mm; June 18°C / 64mm; July 21°C / 65mm; August 20°C / 69mm; September 16°C / 51mm; October 10°C / 50mm; November 5°C / 48mm; December 2°C / 46mm.