The best months to visit South Georgia are February and April. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in South Georgia: January 5°C / 136mm; February 7°C / 131mm; March 5°C / 154mm; April 6°C / 148mm; May 3°C / 136mm; June 2°C / 128mm; July 2°C / 135mm; August -1°C / 137mm; September 4°C / 130mm; October 2°C / 121mm; November 4°C / 117mm; December 4°C / 119mm.