Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents of Oliva, Argentina, where the subtropical climate brings ample sunshine throughout the year. Understanding UV levels can significantly enhance your sun safety practices, helping to prevent painful sunburns and long-term skin damage. In Oliva, UV exposure risks can peak during midday hours, with indices reaching up to 5. By staying informed about the UV Index, you can take proactive measures to protect your skin and enjoy the beautiful Argentine outdoors safely.
The UV Index began its day at 0 from 7:00 AM until 8:00 AM, providing a safe environment for early risers. As the sun climbed, a gentle increase was noticed, reaching 1 by 9:00 AM. The index picked up pace, surging to 2 at 10:00 AM, and climbing steadily to 3 by 11:00 AM. The peak of the day occurred at 12:00 PM, with a UV Index of 4, indicating moderate risk for unprotected skin. This was followed by a slight decline, as the index dropped to 5 by 1:00 PM, before falling back to 4 at 2:00 PM. The afternoon saw a gradual decrease, with readings at 3 at 3:00 PM, 2 at 4:00 PM, and tapering off to 1 from 5:00 PM until the sun set at 7:00 PM, where it returned to 0. Overall, a day that started safe became moderately risky during peak hours under the strong midday sun!
| 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 | 4 | moderate | 30 min |
| 15:00 | 3 | 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 exhibits significant seasonal fluctuations, with extreme levels in the winter months of January (14), February (13), March (12), and the latter part of the year, including October (11), November (14), and December (14), where the burn time is a mere 10 minutes. High-risk months for UV exposure notably include January, February, March, October, and November, all categorized as extreme risk. As we transition into spring and summer, the UV Index decreases slightly, with April at 8 (very high) and May at 6 (high), while UV levels remain moderate in June and July (4 and 5, respectively). By late summer and early fall, September experiences a spike back to 9 (very high). Visitors and residents should take precautionary measures during high-risk months by wearing protective clothing, applying sunscreen regularly, and limiting sun exposure during peak hours to safeguard against harmful UV radiation.
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 |
| Oliva | 14 | 13 | 12 | 8 | 6 | 4 | 5 | 6 | 9 | 11 | 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 |