The best months to visit Pitcairn Islands are July and November. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Pitcairn Islands: January 25°C / 118mm; February 26°C / 111mm; March 26°C / 110mm; April 24°C / 131mm; May 22°C / 110mm; June 23°C / 122mm; July 22°C / 104mm; August 21°C / 113mm; September 20°C / 110mm; October 22°C / 129mm; November 23°C / 109mm; December 24°C / 155mm.