ClimaGo › Sydney › Weather in December
Australia
December brings warm summery conditions to Sydney at 28°C with festive holiday atmosphere, excellent beach weather and outdoor celebrations, though crowds and prices peak significantly.
Avg High
26°C
Avg Low
18°C
Daily Rain
2.5mm
Rainfall
Low
💡 Best months to visit Sydney: Oct, Nov, Apr
Australia's iconic harbour city features the Opera House, Harbour Bridge, gorgeous beaches, vibrant neighborhoods and year-round outdoor culture.