Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Alpachiri, Argentina, as it plays a vital role in safeguarding skin health and preventing sunburn. With a climate classification of Cfa, the region experiences significant UV exposure, particularly during the midday hours when levels can reach a maximum of 3. Awareness of these UV levels empowers locals to make informed decisions about sun protection, ensuring enjoyable outdoor activities while minimizing the risk of harmful skin effects. By keeping an eye on the UV Index, residents can embrace the sun safely and protect their skin from its potential dangers.
The UV Index throughout the day exhibits a notable progression, starting from a comfortable 0 at 07:00 and 08:00, indicating minimal sun exposure risk. As the day unfolds, the index gently rises to 1 by 09:00 and stays steady at 1 until 10:00. A surge occurs around midday, with the UV Index reaching a moderate 2 at 11:00 and peaking at 3 from 12:00 to 14:00, signaling a heightened need for sun protection. In the afternoon, the index gradually declines, dropping back to 2 by 15:00 and tapering down to 1 by 16:00, before returning to a safe 0 by 18:00, then remaining at 0 into the evening. This daily UV pattern highlights the importance of being sun-smart during peak hours.
| 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 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 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 |
The UV Index demonstrates significant seasonal changes, with January and December marking the highest levels at 14, categorized as extreme and requiring just 10 minutes for potential skin burn. February and November follow closely with a UV Index of 13. March sees a notable drop to 10, remaining in the very high category with a burn time of 15 minutes. As spring approaches, April and September exhibit high levels of UV radiation at 7, with longer burn times of 25 minutes. The summer months of May, June, July, and August present moderate risks, with UV indices ranging from 4 to 5 and burn times extending to 30 minutes. As temperatures drop in October, the index climbs back to 10, reminding us of the transitioning risks. Given these fluctuations, visitors and residents are advised to prioritize sun protection, particularly from November through March, and to stay aware of changing UV levels throughout the year to safeguard their skin against harmful effects.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alpachiri | 14 | 13 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 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 |