Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Tancacha, Argentina, where the subtropical climate brings warm temperatures and ample sunshine. Being aware of UV levels not only helps prevent sunburn but also plays a vital role in protecting your skin health over time. During peak hours—particularly between 11:00 AM and 1:00 PM—UV levels can reach 5, indicating a moderate risk for harm from unprotected sun exposure. With this knowledge, you can better enjoy your time outdoors while safeguarding your skin against potential damage. Stay informed and embrace the sun wisely!
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 |
Throughout the year, ultraviolet (UV) exposure experiences significant fluctuations, with high-risk months occurring from January to March and then again in October to December, where the UV Index reaches extreme levels of 14 to 11 and the burn time is as low as 10 minutes. The spring and fall months, particularly April and September, transition into very high exposure categories, where the burn times increase to 15 minutes. By May to July, the UV Index drops to high and moderate levels, extending burn times to 25-30 minutes, yet caution is still advised during these months. Visitors and residents alike should be vigilant, especially during the extreme months, by protecting their skin with sunblock, wearing protective clothing, and seeking shade during peak sunlight hours to mitigate the risks of 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 |
| Tancacha | 14 | 13 | 11 | 8 | 6 | 4 | 5 | 6 | 8 | 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 |