The best months to visit Italy are June and May. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Italy: January 10°C / 63mm; February 13°C / 72mm; March 14°C / 75mm; April 18°C / 78mm; May 20°C / 58mm; June 26°C / 33mm; July 32°C / 22mm; August 32°C / 22mm; September 23°C / 81mm; October 20°C / 116mm; November 14°C / 130mm; December 9°C / 92mm.