Last updated: May 3, 2025
In Tumbaya, Argentina, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding the varying levels of ultraviolet radiation throughout the day can significantly aid in preventing sunburn and reducing long-term skin damage. With a climate classified as Cwb, Tumbaya experiences notable UV exposure risks, particularly during the midday hours when the UV Index peaks at 10 around 1 PM. By staying informed about UV levels, residents and visitors alike can enjoy the stunning outdoors while effectively protecting themselves from harmful effects.
As the day unfolds, the UV Index rises dramatically, reaching its peak at 1 PM with a score of 10, indicating a very high risk of harm from unprotected sun exposure. Early hours see a gentle start, with readings of 0 at 7 AM and gradually climbing to 3 by 10 AM. By 11 AM, the intensity increases to 6, warning us to take precautions. The sun's strength continues to escalate until it starts to decline in the afternoon; by 3 PM, it drops to 7, followed by a gradual decrease to 2 at 5 PM, and a return to safer levels of 1 by 6 PM. Thankfully, as daylight wanes, the UV Index returns to 0 by 7 PM, bringing a welcome reprieve for those who enjoy evening activities outdoors.
| 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 | 3 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variation, with the highest UV exposure occurring in the winter and early spring months. January, February, and March consistently show extreme UV levels at 18 and 16, requiring careful sun protection with a burn time of only 10 minutes. Following this period, April experiences a slight decline to 13 but remains in the extreme category, while May and June drop to 10 and 8 with very high exposure—though burn times increase slightly to 15 minutes. During the summer, July and August continue to pose risks with UV indexes of 9 and 11. September, October, and November again shift to extreme levels, peaking at 19 in December. Visitors and residents should be particularly vigilant from January through March and again in October and November, utilizing sunscreen, protective clothing, and limiting sun exposure, especially during peak hours to prevent harmful UV-related health issues.
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 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |
| Tumbaya | 18 | 18 | 16 | 13 | 10 | 8 | 9 | 11 | 14 | 17 | 18 | 19 |