Last updated: June 2, 2025
In Ancasti, Argentina, staying informed about the UV Index is essential for safeguarding your skin health against harmful sun exposure. With the region's climate classified as BSh, residents and visitors alike can experience varying UV levels throughout the day, peaking at a UV Index of 5 around midday. Understanding these levels matters greatly, as exposure to high UV rays can lead to painful sunburns and long-term skin damage. By keeping an eye on the UV Index, you can take the necessary precautions to enjoy the sun safely, ensuring a healthier outdoor experience in this vibrant part of Argentina.
The UV Index today starts off low, with maximum readings of 0 until 09:00, making it a safe time for morning activities. As the sun rises higher, the index gradually increases, peaking at 5 between 13:00 and 14:00. This indicates a moderate risk of harm from unprotected sun exposure during the late morning and early afternoon. Fortunately, as the day progresses into the afternoon and evening, the UV levels start to decline, dropping back to 1 by 17:00 and returning to 0 by 19:00. For those planning outdoor activities, it’s best to enjoy the midday sun while being mindful of the increasing UV risk!
| 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 | 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 |
Throughout the year, the UV Index exhibits significant seasonal variation, with high-risk months occurring from January to March and then again in October to December, where the index peaks at 15, categorized as extreme, indicating a burn time of just 10 minutes. In April, the index drops slightly to 10 (very high) with a burn time of 15 minutes, and by May, it lowers to 6 (high), allowing for longer exposure of 25 minutes. The trend continues into the summer months of June and July with a moderate index of 5, extending safe exposure times to 30 minutes. As fall approaches, August sees a return to high risk with a 7, followed by a sharp increase back to very high in September at 10. To protect against skin damage, it is crucial for both visitors and residents to adopt preventative measures during these peak months, such as wearing protective clothing, utilizing broad-spectrum sunscreen, and seeking shade during the sun's peak hours.
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 |
| Ancasti | 15 | 14 | 13 | 10 | 6 | 5 | 5 | 7 | 10 | 13 | 15 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |