Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tafi del Valle, Argentina, as it directly impacts your skin health and sunburn prevention. With a climate categorized as Cwb, Tafi del Valle experiences a unique combination of altitude and sun exposure, leading to higher UV levels, especially during midday. Knowledge of daily UV fluctuations can help you take necessary precautions, ensuring that outdoor activities are not only enjoyable but also safe. For instance, during peak hours, the UV Index can soar to 7, indicating a significant risk of harm from unprotected sun exposure. Stay informed and protect your skin for a healthier, sun-safe experience in this beautiful valley!
As the sun rises, the UV Index begins its gradual ascent, starting at a cool 0 by 7:00 AM. By 8:00 AM, it tickles the digits at 1, and then remains steady through the morning with 1 at 9:00 AM. The real heat kicks in around 10:00 AM with a jump to 2, and by 11:00 AM, we see it reach 4. The noon sun unleashes its power with a peak UV Index of 6 at 12:00 PM, followed by an impressive maximum of 7 at 1:00 PM—perfect for sun worshippers but a cautionary point for sun-sensitive individuals. As the afternoon unfolds, the UV Index dips to 6 at 2:00 PM and gradually cools down to 5 by 3:00 PM. The evening hours bring a gentle decline, with values decreasing to 3 at 4:00 PM, 2 at 5:00 PM, and back to 1 by 6:00 PM, before settling back at 0 by 7:00 PM. Clearly, this data underscores the importance of sun safety during midday hours, offering a lesson in protection while enjoying the sunshine!
| 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 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, with extreme levels persisting from January to April, where it consistently reaches values between 14 and 16, necessitating a burn time of just 10 minutes. As temperatures rise, the index begins to decline, dropping to a very high category in May and August (with indexes of 8) and transitioning to high levels during June and July (indexes of 6 and 7, respectively), allowing for a longer burn time of 25 minutes. However, September and October see a resurgence to extreme levels (indexes of 11 and 14), coupled with a return to a 10-minute burn time. Notably, November and December also maintain extreme UV conditions, reiterating the need for caution with a 10-minute burn time. Visitors and residents are advised to take proactive measures during high-risk months (January through April and September through November) by wearing protective clothing, applying sunscreen frequently, and minimizing direct sun exposure during peak hours to mitigate the risks associated with high 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 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |
| Tafi del Valle | 16 | 15 | 14 | 11 | 8 | 6 | 7 | 8 | 11 | 14 | 16 | 16 |