ClimaGo › Montevideo › Weather in December
Uruguay
Peak summer heat arrives at 27°C with sunny skies and occasional afternoon thunderstorms, perfect for beach relaxation, water sports and evening entertainment though expect crowds and book accommodations early.
Avg High
26°C
Avg Low
16°C
Daily Rain
2.6mm
Rainfall
Low
✅ December is one of the best months to visit Montevideo!
Montevideo seduces with European elegance, tango culture, football passion, markets and Uruguay's sophisticated cosmopolitan riverside capital.