The best months to visit New Caledonia are September and October. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in New Caledonia: January 31°C / 142mm; February 29°C / 158mm; March 29°C / 192mm; April 27°C / 126mm; May 24°C / 101mm; June 25°C / 82mm; July 23°C / 68mm; August 24°C / 67mm; September 26°C / 50mm; October 27°C / 43mm; November 29°C / 68mm; December 30°C / 91mm.