Last updated: June 2, 2025
Understanding the UV Index in Cruz Alta, Argentina is essential for ensuring your skin’s health. With the region's Cfa climate, which features warm summers and mild winters, residents and visitors alike face various UV exposure risks throughout the year. Awareness of UV levels can help you take vital precautions against sunburn, skin damage, and long-term health concerns. For instance, during peak hours around midday, the UV Index can reach levels of 4, emphasizing the need for sun protection to enjoy the beautiful Argentine sun safely. Stay informed and protect yourself against harmful UV rays!
The UV Index throughout the day shows a gentle morning rise, starting at 0 at 07:00, then climbing to 1 by 08:00 and staying steady until it reaches 2 at 10:00. Midday brings the peak intensity, with the index soaring to 4 from 12:00 to 14:00, indicating a significant need for sun protection. As the afternoon wears on, the UV levels gradually decline, tapering back down to 1 by 16:00, before dropping to 0 after 18:00. This daily pattern highlights the importance of being mindful of UV exposure, especially between noon and early afternoon when the sun’s rays are at their 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 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 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 |
The UV Index exhibits notable seasonal changes throughout the year, with January to March showing extreme levels (UV Index 15 to 11) and a minimal burn time of just 10 minutes, indicating high risk for sunburn. April sees a decrease to a very high level (UV Index 8) with a slightly longer burn time of 15 minutes, while May to July offer more moderate levels (UV Index 5 to 4) with burn times of 30 minutes. As summer transitions to fall, August experiences a rise to high (UV Index 6) before returning to very high in September (UV Index 8) that again shortens burn time to 15 minutes. The year concludes with extreme UV levels from October through December, where the burn time reverts to 10 minutes. Visitors and residents should take proactive sun safety measures during high-risk months (January to March and October to December) by seeking shade, wearing protective clothing, and applying sunscreen to minimize the risk of harmful UV exposure.
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 |
| Cruz Alta | 15 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 14 | 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 |