UV Index
UV Index
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Today's UV index in Montevideo, Uruguay 
will be up to 3.1, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 3.1 in Montevideo, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Montevideo, Uruguay typically ranges from low to very high, with peak levels from December to February. It's important to stay informed and protect yourself accordingly.
Montevideo has a humid subtropical climate, characterized by four distinct seasons. Summer (December to February) is warm and humid, with temperatures often exceeding 86°F (30°C). Autumn (March to May) brings cooler temperatures and colorful foliage. Winter (June to August) is mild and rainy, while spring (September to November) is gradually warming up.
Compared to its region and neighboring countries, Montevideo's climate is relatively mild. Unlike much of South America, it doesn't experience extreme heat or cold. Summer temperatures are cooler than in northern Argentina and Brazil, and winters are warmer than in Chile or Paraguay. This makes Montevideo a great destination year-round.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Montevideo. It's designed to provide you with a better understanding of the yearly weather and sun exposure.