UV Index
UV Index
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Today's UV index in Buenos Aires, Argentina 
will be up to 12.3, indicating extreme risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
UV index at 12.3 in Buenos Aires means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
Read more here about the climate and sun exposure in and around Buenos Aires.
The UV index in Buenos Aires, Argentina, can reach high levels throughout the year. In the summer months (December to February), the UV index averages around 9 (very high), posing a significant risk of sunburn and skin damage. It's crucial to protect your skin with sunscreen, hats, and sunglasses to reduce the risk of harmful UV radiation.
Buenos Aires experiences four distinct seasons. Summer (December to February) is hot and humid, with temperatures averaging around 28-30 °C (82-86 °F). Autumn (March to May) brings milder temperatures ranging from 17-23 °C (63-73 °F) with occasional showers. Winter (June to August) is cool, with average temperatures of 10-16 °C (50-61 °F). Spring (September to November) is temperate, with temperatures ranging from 15-22 °C (59-72 °F) and increasing sunshine.
Located in the southern hemisphere, Buenos Aires enjoys a similar climate to cities in its region, such as Montevideo, Uruguay, and Santiago, Chile. However, Buenos Aires has a higher average UV index due to its latitude. Sun exposure in Buenos Aires is higher than in many other major cities worldwide, so it's important to take precautions and prioritize sun protection to reduce the risk of sunburn and long-term skin damage.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Buenos Aires. It's designed to provide you with a better understanding of the yearly weather and sun exposure.