Last updated: May 3, 2025
In Puerto Esperanza, Argentina, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet rays. With the region's Cfa climate bringing warm summers and a considerable amount of sunshine, daily UV exposure can pose significant risks, including sunburn and long-term skin health issues. Typically, the UV levels peak around midday, reaching a high of 7 at noon and early afternoon, making it essential for residents and visitors alike to stay informed and take precautions. By being aware of UV Index fluctuations throughout the day, you can enjoy the beautiful weather while safeguarding your skin from potential damage.
Throughout the day, the UV Index showcases a dynamic pattern of intensity. Starting at a gentle 1 by 07:00, the index gradually rises, reaching a moderate 2 by 09:00. As the sun climbs higher, a notable increase occurs, peaking at an elevated 7 from 12:00 to 13:00, marking the day's most intense UV exposure. The index then begins its descent, dipping to 4 by 15:00 and further down to 2 by 16:00. As evening approaches, the UV risk diminishes, with values dropping to 0 at 18:00 and remaining low for the rest of the evening. It's essential to stay protected during those peak midday hours when UV exposure can be at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV index levels fluctuate significantly, with the highest risks occurring during the winter and early spring months. January, February, and March exhibit an extreme UV index of 15, necessitating protective measures for as little as 10 minutes of sun exposure. Following this, April sees a slight decrease to a very high index of 10, with an increased burn time of 15 minutes. Peak high-risk months include October and November, where the UV index reaches 14, also requiring vigilance. As summer approaches, the index decreases, peaking in June at 5 (moderate). However, July and August return to high levels of 6 and 8, respectively. September also maintains a very high index of 10. Visitors and residents are strongly advised to remain cautious, especially during high-index months, wearing sunscreen, protective clothing, and seeking shade to mitigate 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 |
| 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 |
| Puerto Esperanza | 15 | 15 | 12 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 14 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |