Last updated: August 1, 2025
Understanding the UV Index in Buenos Aires is crucial for safeguarding your skin and overall health. This city's vibrant climate, characterized by its warm summers and sunny days, means that UV levels can escalate rapidly, especially during midday hours. By being aware of the UV Index, you can take proactive steps to prevent sunburn and long-term skin damage. Throughout the day, particularly from 11 AM to 1 PM, when the UV Index peaks at a staggering 14, it's essential to stay informed and protect yourself against harmful UV rays. Embrace the sun safely by checking the UV Index regularly and prioritizing your skin health!
The UV Index starts off gently at 1 by 7:00 AM, a perfect time for outdoor activities with minimal sun exposure. As the day progresses, the index steadily climbs, reaching a moderate 2 at 8:00 AM and climbing to 5 by 9:00 AM. The sun continues to rise, peaking dramatically at 12:00 PM with a maximum of 14, indicating a high risk of harm from unprotected sun exposure. The intensity remains high at 13 until 1:00 PM, before gradually tapering off; it dips to 11 at 2:00 PM, and further decreases to 7 by 3:00 PM. As evening approaches, the UI sinks back to a comfortable 2 at 5:00 PM, finally mellowing to 1 and 0 as daylight fades into night. Plan your sun activity wisely to stay safe!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains notably high, particularly from January to April, when it peaks at 15 in April, classifying exposure as extreme with a burn time of just 10 minutes. May through September sustain similar levels, with UV indices between 13 to 14, marking these months as high-risk for sun exposure. Consequently, visitors and residents are strongly advised to take precautions, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen consistently. October and November offer slightly lower indices at 13 and 12, respectively, while December sees a slight drop to 10, categorized as very high with a burn time of 15 minutes. Regardless of the month, caution is advised due to the consistently high UV levels in this region.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arraijan UVI | 12 | 13 | 14 | 15 | 14 | 13 | 14 | 13 | 13 | 13 | 11 | 10 |
| Juan Diaz UVI | 12 | 13 | 14 | 15 | 14 | 13 | 14 | 13 | 13 | 13 | 11 | 10 |
| San Miguelito UVI | 12 | 13 | 14 | 15 | 14 | 13 | 14 | 13 | 13 | 13 | 11 | 10 |
| Panama UVI | 12 | 13 | 14 | 15 | 14 | 13 | 14 | 13 | 13 | 13 | 11 | 10 |
| Buenos Aires | 12 | 13 | 14 | 15 | 14 | 13 | 14 | 13 | 13 | 13 | 12 | 10 |
| David UVI | 12 | 13 | 14 | 15 | 14 | 13 | 14 | 13 | 14 | 14 | 12 | 11 |