The best months to visit Peru are August and July. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Peru: January 26°C / 15mm; February 26°C / 26mm; March 26°C / 22mm; April 25°C / 6mm; May 23°C / 1mm; June 21°C / 1mm; July 21°C / 1mm; August 21°C / 1mm; September 21°C / 2mm; October 22°C / 3mm; November 23°C / 2mm; December 24°C / 6mm.