The best months to visit Christmas Island are September and August. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Christmas Island: January 27°C / 178mm; February 28°C / 203mm; March 27°C / 214mm; April 27°C / 166mm; May 27°C / 94mm; June 26°C / 87mm; July 25°C / 54mm; August 25°C / 25mm; September 25°C / 25mm; October 26°C / 42mm; November 26°C / 75mm; December 26°C / 133mm.