Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Libertador General San Martin, Argentina, as it serves as a vital tool in protecting your skin from harmful ultraviolet rays. Knowing the daily UV levels is essential for sunburn prevention and maintaining long-term skin health, especially in a region characterized by its Cwa climate, which brings distinct seasonal variations in sunlight intensity. With peak UV exposure reaching a significant index of 8 around midday, awareness and preparation can make all the difference in enjoying the sun safely. Stay informed, safeguard your skin, and relish the beauty of your surroundings!
The UV Index for the day unfolds with its most intense rays peaking around 1 PM at a striking 8, indicating a high potential for sun exposure. As the sun rises, the readings start low; 0 at 7 AM gradually climbs to 1 by 8 AM and 9 AM. The index then escalates through the morning, hitting 2 at 10 AM and reaching 4 by 11 AM. As noon approaches, the index soars to 6, before peaking at the early afternoon. Following its zenith, the UV levels begin to taper off, descending to 7 at 2 PM, and then retreating to 4 by 4 PM. As the day winds down, the UV index diminishes to 2 at 5 PM, followed by a gentle decline to 1 at 6 PM and finally back to 0 by 7 PM, signaling a day where protective measures were essential during midday. Stay safe and enjoy the sunshine!
| 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 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 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 shows significant seasonal variation, with high-risk months predominating from January to April and again in September through November, when the index reaches extreme levels (from 14 to 16) with a burn time of just 10 minutes. Particularly hazardous months include November and December, where UV levels spike to 16, necessitating vigilant sun protection. Conversely, from May to August, while the UV index decreases slightly, it remains in the very high category (9) during July and August, emphasizing the need for caution. During these warmer months, burn times can extend to 15 or 25 minutes depending on the month. Residents and visitors are advised to take protective measures year-round, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak UV times, to minimize 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 |
| Libertador General San Martin | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 9 | 12 | 14 | 16 | 16 |