Last updated: May 3, 2025
Understanding the UV Index in Antofagasta de la Sierra, Argentina is essential for everyone, as it directly relates to protecting our skin and overall health from the sun's harmful rays. With high UV levels reaching up to 9 during midday hours, awareness is crucial for preventing sunburn and long-term skin damage. Antofagasta de la Sierra, known for its unique Cwc climate, often exposes residents and visitors to increased UV radiation, especially in the summer months. By staying informed about daily UV fluctuations, you can take proactive measures to enjoy the glorious sunshine while safeguarding your skin.
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 |
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 |