Last updated: July 2, 2025
Understanding the UV Index is crucial in San Antonio de los Cobres, Argentina, where high altitude and a unique climate can elevate UV radiation levels. Awareness of UV levels is vital for sunburn prevention and maintaining overall skin health. With a typical ET climate, this picturesque town experiences significant UV exposure, peaking between 11:00 AM and 2:00 PM, with indices climbing as high as 9. By staying informed about the UV Index, residents and visitors alike can enjoy the sun safely while protecting their skin from harmful effects.
From the early morning calm at 7:00 AM with a UV Index of 0, the sun begins to rise and peak, reaching its maximum intensity with a UV Index of 9 at 1:00 PM and 2:00 PM. By 12:00 PM, the index crosses into the high zone at 8, highlighting the need for sun protection. The afternoon brings a gradual drop, with the UV Index decreasing to 7 by 3:00 PM, and tapering off significantly to 2 by 5:00 PM. As daylight wanes, the index falls back to 1 at 6:00 PM and settles at 0 by 7:00 PM, signaling a safe end to sun exposure for the day. Ensure to take precautions when the UV levels are at their peak!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, residents and visitors should be aware of significant seasonal changes in UV levels, which peak during the winter months. The highest UV Index is observed in December (22) and February (20), both classified as extreme, with an exposure burn time of just 10 minutes. Other months that are particularly high-risk include January, March, and November, all maintaining an extreme index above 18. Starting in May, the UV levels transition to a very high category, with burn times slightly increasing to 15 minutes but still posing considerable risk. From June through October, the Index fluctuates, with August and September returning to extreme levels. Visitors are strongly advised to take precautionary measures, such as wearing protective clothing, using sunscreen, and seeking shade during peak sun hours, particularly during these high UV months to mitigate the risks of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Buenos Aires UVI | 14 | 13 | 11 | 7 | 5 | 4 | 4 | 6 | 8 | 10 | 13 | 14 |
| Rosario UVI | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Mendoza UVI | 15 | 14 | 12 | 8 | 6 | 4 | 5 | 6 | 9 | 12 | 14 | 15 |
| Cordoba UVI | 15 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |
| San Antonio de los Cobres | 19 | 20 | 18 | 14 | 10 | 8 | 9 | 11 | 14 | 18 | 19 | 22 |