Last updated: July 2, 2025
In La Puerta de San Jose, Argentina, keeping track of the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels plays a crucial role in sunburn prevention and long-term skin health, especially in this semi-arid climate where the sun's intensity can soar. From the midday peak reaching a UV Index of 7 to the moderate levels earlier and later in the day, residents and visitors must stay informed about the potential risks of sun exposure. By monitoring the UV Index, you can enjoy outdoor activities while minimizing the dangers associated with prolonged sun exposure.
The UV Index throughout the day exhibits a notable rise and fall, showcasing the sun's intensity at different hours. Starting off at 0 from 7:00 AM to 8:00 AM, the index begins to climb steadily, reaching 1 by 9:00 AM. As the sun climbs higher, it peaks at 7 during the 1:00 PM and 2:00 PM hours, indicating a significant risk for unprotected skin. Be mindful, as it begins to taper off after this, dropping to 5 by 3:00 PM, then 4 at 4:00 PM, and descending further to 0 by 7:00 PM. This hour-by-hour pattern emphasizes the importance of sun protection, especially during midday when the UV Index is at its highest!
| 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 | 2 | low | 45 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 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 |
Throughout the year, UV exposure varies significantly, peaking during the winter months and transitioning to lower levels in the summer. January, February, March, and April consistently show an extreme UV Index of 16-14, requiring only 10 minutes before burning occurs. The months of November and December also reflect extreme levels with indices at 16 and 17, respectively. Conversely, May to July display a slight decline, with very high and high ratings, where burn times extend to 15-25 minutes. September sees a return to extreme conditions at an 11 on the UV index. Visitors and residents should remain vigilant during high-risk months, particularly during winter with extreme levels, by wearing protective clothing, applying sunscreen frequently, and minimizing midday sun exposure. Staying informed about local UV conditions will help ensure a safe outdoor experience year-round.
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 |
| La Puerta de San Jose | 16 | 16 | 14 | 11 | 8 | 6 | 7 | 8 | 11 | 14 | 16 | 17 |