Last updated: July 2, 2025
In San Francisco del Chanar, Argentina, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With a climate characterized by warm summers and mild winters, residents and visitors alike often face varying levels of ultraviolet exposure throughout the day. Understanding the daily UV levels—from a low of 0 at sunrise to reaching a moderate peak of 5 around midday—is essential for planning outdoor activities safely and effectively. By staying informed about these levels, you can take the necessary precautions to protect your skin, ensuring a healthy experience under the Argentine sun.
The UV Index begins the day at a minimum of 0 at 07:00, indicating a safe environment for outdoor activities. As the sun rises, the index slowly climbs, reaching 1 by 08:00 and then stabilizing at 1 through 09:00. The sun gains strength as it approaches noon, peaking at 4 at 12:00 and maintaining a high of 5 between 13:00 and 14:00—perfect for sun-seekers to enjoy outdoor fun. However, by the late afternoon, protection becomes crucial as the index dips to 4 at 15:00 and steadily declines to 1 by 17:00. Finally, the sun sets, bringing the UV Index back to 0 by 19:00, marking a safe conclusion to the day’s sun exposure. Always be mindful of the UV levels to stay safe and enjoy the beautiful outdoors!
| 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 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, with extreme levels persisting from January to March and returning in October and November, where burn times are notably short at 10 minutes. April sees a shift to a very high risk, while May introduces a high category with a more moderate burn time of 25 minutes. From June to July, the Index drops to moderate, extending safe exposure times to 30 minutes, before rising again in August. September experiences another spike in UV levels, moving back to very high. Given these fluctuations, it is crucial for visitors and residents to remain vigilant and take protective measures, especially during the high-risk months of January, February, March, October, and November when sun exposure can lead to harm within minutes. Always wear sunscreen, seek shade during peak hours, and wear protective clothing to mitigate the risks associated with elevated UV levels.
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 Francisco del Chanar | 15 | 14 | 12 | 9 | 6 | 5 | 5 | 7 | 9 | 12 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |