Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Olivos, Argentina, where the warm, temperate climate often leads to heightened sun exposure. With UV levels peaking at 4 around midday, being aware of these fluctuations is essential for preventing sunburn and protecting long-term skin health. The typical weather conditions in Olivos can lead to significant UV exposure risks, especially during the summer months. By staying informed about the UV Index, locals can make smarter decisions regarding sun protection, ensuring they enjoy the outdoors safely and responsibly.
The UV Index throughout the day shows a gentle morning rise, starting at 0 at 07:00, then climbing to 1 by 08:00 and staying steady until it reaches 2 at 10:00. Midday brings the peak intensity, with the index soaring to 4 from 12:00 to 14:00, indicating a significant need for sun protection. As the afternoon wears on, the UV levels gradually decline, tapering back down to 1 by 16:00, before dropping to 0 after 18:00. This daily pattern highlights the importance of being mindful of UV exposure, especially between noon and early afternoon when the sun’s rays are at their strongest.
| 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 | 4 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 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 |
Throughout the year, UV Index levels display significant seasonal changes, with extreme risk months occurring from January to March and again in November and December, where the UV Index peaks at 14 and burn time is as short as 10 minutes. The month of March is notably severe with a UV Index of 11, still categorized as extreme, making it crucial for both visitors and residents to take protective measures. As spring transitions into summer, the UV Index decreases to moderate levels in May through July, allowing for longer safe exposure times of up to 30 minutes. However, caution is still warranted as both August and September experience a rebound with high and very high levels, respectively, necessitating vigilance during outdoor activities. To summarize, it is advisable for everyone to apply sunscreen, wear protective clothing, and seek shade during peak UV times, especially in the high-risk months of January through March and November through December.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Olivos | 14 | 13 | 11 | 7 | 5 | 4 | 4 | 6 | 8 | 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 |