Last updated: June 2, 2025
In Antofagasta de la Sierra, Argentina, understanding the UV Index is crucial for protecting your skin and overall health. With a climate classified as Cwc, this region experiences notable UV exposure, particularly during midday when levels can reach as high as 8. Being aware of these levels is essential for preventing sunburns and minimizing long-term skin damage. As your outdoor activities unfold under the bright sun, knowing when to seek shade and apply sunscreen can make all the difference in enjoying the outdoors safely. Stay informed and take charge of your sun safety!
The UV Index today begins its ascent slowly, starting at a cool 0 from 7:00 AM to 8:00 AM. By 9:00 AM, it nudges up to 1, marking the first hint of sun. The intensity ramps up quickly, reaching 2 by 10:00 AM and peaking at 8 from 1:00 PM to 2:00 PM. During this prime sunlight, heed caution as the UV rays are most potent. As the afternoon wanes, the index dips back down to 6 by 3:00 PM, then gradually falls to 4 at 4:00 PM, and continues its descent to 1 by 6:00 PM. The day concludes with a 0 at 7:00 PM, signaling a safe retreat from the sun. Be mindful of peak hours, especially between noon and 2 PM, to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 0 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | 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 |
The UV Index experiences significant variability throughout the year, with the highest levels recorded between January and April, reaching an extreme rating of 19 (with a burn time of just 10 minutes) in both January and December. March and April also maintain extremely high UV levels, with indices of 16 and 13, respectively. As the year progresses, UV exposure moderates slightly from May through August, with values classified as very high (between 8 and 10) but still posing a noticeable risk, allowing for longer burn times of 15 minutes. However, the returning extreme conditions in September, October, and November—culminating in a UV Index of 18 in November—illustrate that risks remain prevalent even in the fall. Visitors and residents should be vigilant, particularly from January to April and again in the fall months, ensuring they protect their skin by wearing appropriate sunscreen, protective clothing, and seeking shade during peak sunlight hours to prevent harmful UV exposure.
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 |
| Antofagasta de la Sierra | 19 | 18 | 16 | 13 | 9 | 8 | 9 | 10 | 13 | 17 | 18 | 19 |