UV Index
UV Index
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Today's UV index in Buenos Aires, Argentina 
will be up to 5.1, 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 5.1 in Buenos Aires, 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 Buenos Aires, Argentina, can reach high levels during the summer months, posing a significant risk of sun damage. It is essential to stay informed about the daily UV index and take necessary precautions.
Buenos Aires has four distinct seasons, with hot and humid summers from December to February, mild and wet autumns from March to May, cool and dry winters from June to August, and breezy and warm springs from September to November. Each season offers unique experiences and activities for visitors.
Compared to its region and neighboring countries, Buenos Aires has a more temperate climate, while much of Argentina is characterized by extreme temperatures, arid deserts, or lush rainforests. Chile and Uruguay, Buenos Aires' neighboring countries, have similar temperate climates, while Brazil has a more tropical climate, and Bolivia and Paraguay have more extreme temperatures.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Buenos Aires. It's designed to provide you with a better understanding of the yearly weather and sun exposure.