Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Carlos Casares, Argentina. With its Cfa climate, which features warm summers and milder winters, the area is exposed to varying levels of ultraviolet radiation throughout the day. Being aware of the UV levels can help prevent sunburn, protect skin health, and reduce the risk of long-term damage. During peak hours, particularly between 12 PM and 2 PM, UV levels can rise significantly—reaching up to 4—making it essential for everyone to take precautions when enjoying outdoor activities. Stay informed to enjoy the beautiful Argentine sun safely!
The UV Index throughout the day reveals a steady climb, reaching its highest point of 4 at 1 PM, making it the peak hour for sun exposure. Starting off low at 0 in the early morning, the index gradually rises, hitting 2 by 11 AM and peaking at 3 during the afternoon hours of 12 PM and 2 PM. However, after 1 PM, the index begins its descent, returning to 2 by 4 PM and tapering off to 1 by 6 PM, before dropping back to 0 as the sun sets at 7 PM. This progression highlights the importance of sun safety in the midday hours when UV radiation is strongest.
| 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 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 3 | 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 seasonal UV changes indicate a significant variation throughout the year, with peak levels occurring in the winter months of January, February, and December, registering a high UV Index of 14 and classified as extreme. The high-risk months for UV exposure are from November to March, consistently showing extreme levels, where the burn time is reduced to just 10 minutes. In contrast, from April to August, the UV Index becomes more moderate, ranging from 5 to 7, allowing for extended exposure times of 25 to 30 minutes. However, September and October pose higher risks again with a UV Index reaching 8 and 10, respectively, necessitating caution with a burn time of 15 minutes. Visitors and residents are advised to take protective measures, including wearing sunscreen, hats, and UV-protective clothing, especially during the high-risk months to minimize sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Carlos Casares | 14 | 12 | 11 | 7 | 5 | 3 | 4 | 5 | 8 | 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 |