Climate in Uruguay

Uruguay has a highly diverse climate, with major differences between regions. Annual temperatures range from lows of -55°C in the coldest regions to highs of 43°C in the warmest areas. Annual precipitation ranges from 38mm in drier regions to 393mm in wetter parts of the country. Some regions receive significant snowfall, with up to 354cm annually, while other areas see little to none. The warmest areas are hot year-round while the coldest regions remain very cold, making Uruguay a country of sharp climate contrasts.

Temperature patterns across Uruguay vary by region, with distinct differences between areas. The South is the warmest part of the country, with peak temperatures reaching 43°C and an annual average of 29°C. Cooler conditions are found in the Southeast, where winter lows drop to -55°C and an annual average of -39°C. This 68°C difference in annual averages between regions means travellers can experience vastly different conditions depending on which part of Uruguay they visit. The biggest regional differences emerge in summer, with up to 67°C variation across the country. For example, Barros Blancos in the Departamento de Canelones averages 29°C annually, while Maldonado in the Departamento de Maldonado averages -39°C.

Uruguay sees notable variation in rainfall across its regions, ranging from 38mm to 393mm per year. The Northwest receives the most rainfall, at approximately 393mm annually. The Central is the driest, with around 38mm per year. Rainfall is distributed fairly evenly across the seasons, with no strong wet or dry period in most regions. The Southwest sees the most snowfall, with up to 354cm annually, while other parts of the country receive little to none. Travellers should pack rain gear when visiting wetter areas, while drier regions offer more favourable conditions throughout the year.