Last updated: July 2, 2025
In Libertador General San Martin, Argentina, awareness of the UV Index is crucial for safeguarding your skin and overall health. As the sun climbs higher, especially around midday, the UV levels can spike, increasing the risk of sunburn and long-term skin damage. Understanding these levels empowers residents and visitors to take necessary precautions during peak exposure hours in this BSh climate zone, where sunny days are plentiful. By staying informed about the UV Index, you can enjoy the beautiful Argentinian sun while keeping your skin healthy and protected.
Starting off the day, the UV Index remains at a cool 0 from 07:00 to 08:00, perfect for early risers. Gradually, the sun begins to climb higher, nudging the index up to 1 by 09:00 and 10:00. By 11:00, it peaks to 3, signaling more intense exposure ahead. Noon brings a noticeable increase as the UV Index hits 4, and by 13:00 and 14:00, it reaches its maximum of 5, indicating a higher risk of harm from unprotected sun exposure. Thankfully, by 15:00, it dips slightly to 4 and continues to decline to 2 at 16:00. As evening approaches, the index stabilizes at 1 through 18:00, before returning to 0 at 19:00. Whether you're seeking shade or planning to bask in the sun, keep the UV Index in mind for your day's activities! 🌞
| 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 | 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 fluctuations, with the highest levels typically occurring during the winter months. From January to March, the UV Index remains in the extreme category, peaking at 15, which corresponds to a very quick burn time of just 10 minutes. The high-risk months for UV exposure are identified as October and November, where the index again reaches 14 and 15, necessitating vigilant sun protection. As temperatures rise from April, the exposure risks moderate slightly, but April and September still pose high threats with a very high index of 8 and 9, respectively. For visitors and residents, it is essential to prioritize sun safety measures—such as wearing protective clothing and applying sunscreen—particularly from January to March and in October and November, while also being mindful of UV levels throughout the year.
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 |
| Libertador General San Martin | 15 | 13 | 12 | 8 | 6 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |
| 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 |