Last updated: May 3, 2025
In Arauco, Argentina, understanding the UV Index is crucial for safeguarding your skin against the sun's harmful rays. With the region's semi-arid climate (BSh), residents and visitors experience significant UV exposure, peaking between noon and 2 PM when levels can reach as high as 7. Being aware of UV levels helps prevent sunburn and promotes long-term skin health, making it essential to check this daily indicator, especially during hotter months. By learning to navigate the UV Index, you can enjoy the beautiful Argentine sun while protecting yourself from its potential risks.
The UV Index data for the day unfolds a dynamic story of solar intensity. Starting at a maximum of 0 at 07:00, the index gradually creeps up to 1 by 08:00 and remains at that level until 09:00. As the sun climbs higher, it peaks at a significant 7 during the noon hours of 13:00 and 14:00, indicating a high risk of harm from unprotected sun exposure. The afternoon brings a slight decrease, with the index dropping to 5 by 15:00 and continuing to decline throughout the evening. By 19:00, it settles back to 0, signaling that the sun's strength has diminished. Overall, this hourly snapshot underscores the importance of sun protection during peak hours, especially between 11:00 and 14:00 when the UV Index is at its highest.
| 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 | 7 | 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 changes, peaking in the winter months and experiencing a gradual decline through the summer. January to March displays an extreme exposure category, with a UV Index of 16, 15, and 13 respectively, resulting in a burn time of just 10 minutes; similarly, October and November also return to a UV Index of 16 and 15, posing similar risks. April and September mark a shift to a very high category with values of 10, while May sees a high index of 7, corresponding to a burn time of 25 minutes. The summer months of June and July feature a moderate to high index, reducing overall risk but still warranting caution with burn times between 25 to 30 minutes. To ensure safety, residents and visitors should be particularly vigilant during the extreme months of January, February, March, October, and November, utilizing protective measures such as sunscreen, hats, and sunglasses, especially when UV levels are at their highest.
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 |
| Arauco | 16 | 15 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 16 |