Montevideo experiences a humid subtropical climate with four distinct seasons, though temperatures remain relatively moderate year-round without severe extremes.

Rainfall is distributed fairly evenly throughout the year, with slightly wetter conditions in autumn and spring, making a compact umbrella or light waterproof jacket a year-round essential.

Summer temperatures typically range from 17°C to 28°C, while winter sees averages between 6°C and 14°C, with occasional cold snaps dipping just below freezing.

The persistent wind off the Río de la Plata is Montevideo's defining weather feature, adding a sharp edge to winter cold and making windproof layers more valuable than sheer warmth.

The city's mercurial weather can shift dramatically within a single day, so locals master the art of versatile layering rather than committing to a single outfit strategy.