The best months to visit Austria are August and June. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Austria: January 3°C / 35mm; February 7°C / 32mm; March 9°C / 46mm; April 12°C / 45mm; May 16°C / 73mm; June 20°C / 76mm; July 22°C / 78mm; August 24°C / 70mm; September 15°C / 72mm; October 14°C / 48mm; November 7°C / 44mm; December 2°C / 39mm.