Last updated: June 2, 2025
In General Acha, Argentina, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels helps prevent sunburn, skin damage, and long-term health risks associated with excessive sun exposure. With a characteristic BSk climate, General Acha experiences a range of UV exposure risks, especially during peak hours when indices can reach up to 3 between 12:00 PM and 2:00 PM. Staying informed about local UV conditions allows residents and visitors alike to enjoy the sun safely while prioritizing skin care.
The UV Index throughout the day exhibits a notable progression, starting from a comfortable 0 at 07:00 and 08:00, indicating minimal sun exposure risk. As the day unfolds, the index gently rises to 1 by 09:00 and stays steady at 1 until 10:00. A surge occurs around midday, with the UV Index reaching a moderate 2 at 11:00 and peaking at 3 from 12:00 to 14:00, signaling a heightened need for sun protection. In the afternoon, the index gradually declines, dropping back to 2 by 15:00 and tapering down to 1 by 16:00, before returning to a safe 0 by 18:00, then remaining at 0 into the evening. This daily UV pattern highlights the importance of being sun-smart during peak hours.
| 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 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index values exhibit significant seasonal changes, with the highest levels occurring in the winter and late fall months. January and December register an extreme UV Index of 14, with a burn time of just 10 minutes. Similarly, February and November maintain an extreme rating of 12 and 13, respectively. As the year progresses, March reaches a very high UV Index of 10, while April and September see high levels with indices of 7. Although the risk decreases during the summer months, May through August fall into the moderate category, with burn times extending to 30 minutes. Visitors and residents should be particularly cautious during January, February, November, and December, as these months pose the highest risk for UV exposure. It is advisable to utilize sunscreen, wear protective clothing, and seek shade during peak hours, especially in the extreme and very high UV months, to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Acha | 14 | 12 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 13 | 14 |
| 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 |