The best months to visit Cocos (Keeling) Islands are October and September. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Cocos (Keeling) Islands: January 28°C / 119mm; February 29°C / 178mm; March 29°C / 207mm; April 28°C / 199mm; May 28°C / 135mm; June 28°C / 125mm; July 28°C / 123mm; August 27°C / 73mm; September 27°C / 59mm; October 27°C / 53mm; November 27°C / 95mm; December 28°C / 118mm.