Last updated: July 2, 2025
As residents or visitors to Obispo Trejo, Argentina, understanding the UV Index is crucial for protecting your skin and overall health in this Cfa climate zone. With peak UV levels typically reaching values of 5 during midday hours, it’s essential to be aware of the sun's potential for causing quick sunburns and long-term skin damage. By keeping track of UV levels, you can make informed decisions about sun protection, ensuring you enjoy the region's sunshine while safeguarding your skin’s health. Don't underestimate the power of the sun—stay informed and stay safe!
The UV Index begins the day at a minimum of 0 at 07:00, indicating a safe environment for outdoor activities. As the sun rises, the index slowly climbs, reaching 1 by 08:00 and then stabilizing at 1 through 09:00. The sun gains strength as it approaches noon, peaking at 4 at 12:00 and maintaining a high of 5 between 13:00 and 14:00—perfect for sun-seekers to enjoy outdoor fun. However, by the late afternoon, protection becomes crucial as the index dips to 4 at 15:00 and steadily declines to 1 by 17:00. Finally, the sun sets, bringing the UV Index back to 0 by 19:00, marking a safe conclusion to the day’s sun exposure. Always be mindful of the UV levels to stay safe and enjoy the beautiful outdoors!
| 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 | 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 displays significant seasonal changes, with January, February, March, October, November, and December representing high-risk months with extreme UV exposure (UV Index 14 to 12), where the recommended burn time is just 10 minutes. Conversely, April and September reach very high levels (UV Index 9), allowing for slightly longer exposure at 15 minutes. During the height of summer, May through July, UV exposure decreases from high to moderate categories (UV Index 6 to 4), with burn times extending to 25 and 30 minutes, respectively. For those visiting or residing in regions prone to high UV radiation, it is crucial to take precautions, especially during the extreme months, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade whenever possible to minimize 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 |
| Obispo Trejo | 14 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 12 | 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 |