Last updated: June 2, 2025
In Guatrache, Argentina, awareness of the UV Index is essential for safeguarding your skin from harmful ultraviolet rays. Understanding UV levels not only helps prevent sunburn but also plays a crucial role in maintaining overall skin health, especially in a semi-arid climate (BSk) like Guatrache, where UV exposure can be significant. With daily peaks reaching levels of 3 around midday, it’s vital for residents and visitors alike to be informed and prepared for sun safety to enjoy the outdoors while minimizing risks.
The UV Index throughout the day exhibits a notable progression, starting from a comfortable 0 at 07:00 and 08:00, indicating minimal sun exposure risk. As the day unfolds, the index gently rises to 1 by 09:00 and stays steady at 1 until 10:00. A surge occurs around midday, with the UV Index reaching a moderate 2 at 11:00 and peaking at 3 from 12:00 to 14:00, signaling a heightened need for sun protection. In the afternoon, the index gradually declines, dropping back to 2 by 15:00 and tapering down to 1 by 16:00, before returning to a safe 0 by 18:00, then remaining at 0 into the evening. This daily UV pattern highlights the importance of being sun-smart during peak hours.
| 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 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 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 demonstrates significant seasonal changes, with January and December marking the highest levels at 14, categorized as extreme and requiring just 10 minutes for potential skin burn. February and November follow closely with a UV Index of 13. March sees a notable drop to 10, remaining in the very high category with a burn time of 15 minutes. As spring approaches, April and September exhibit high levels of UV radiation at 7, with longer burn times of 25 minutes. The summer months of May, June, July, and August present moderate risks, with UV indices ranging from 4 to 5 and burn times extending to 30 minutes. As temperatures drop in October, the index climbs back to 10, reminding us of the transitioning risks. Given these fluctuations, visitors and residents are advised to prioritize sun protection, particularly from November through March, and to stay aware of changing UV levels throughout the year to safeguard their skin against harmful effects.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Guatrache | 14 | 13 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 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 |