Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Buta Ranquil, Argentina, where the sun can be both a source of warmth and a potential health hazard. As a town nestled in the Csb climate zone, residents and visitors alike should be aware of the varying UV levels throughout the day to protect themselves from sunburn and long-term skin damage. Particularly during midday hours, when the UV Index peaks at levels 4 to 5, it’s essential to take precautions to maintain skin health. With these regional insights, you can enjoy the sunny days that Buta Ranquil has to offer while keeping your skin safe from harmful UV radiation.
The UV Index throughout the day reveals a typically gradual rise in intensity. Starting from 0 at 07:00 and 08:00, the index begins to climb, reaching 1 by 09:00 and 10:00. The midday sun peaks at 12:00, with a UV Index of 4, before hitting its maximum of 5 at 13:00 and 14:00. As the afternoon progresses, the UV levels begin to taper off—falling to 4 at 15:00, then gradually decreasing to 2 by 17:00. The sun's intensity continues to wane, returning to 1 at 18:00 before settling back to 0 by 19:00. This data highlights the importance of sun protection during the midday hours, especially between 12:00 and 14:00, when UV exposure is at its highest.
| 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 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | 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 |
Throughout the year, UV exposure varies significantly, with the highest risk months occurring from January to March, and again in November and December. During these periods, the UV Index reaches extreme levels, peaking at 16, indicating a burn time of only 10 minutes. In April, the index drops slightly to 8 (very high), but it is crucial to remain vigilant as it escalates again in August and September. By June and July, the UV levels become moderate, allowing for a longer burn time of 30 minutes. However, caution is still advised, especially during high-risk months. Visitors and residents should prioritize sun safety by using sunscreen, wearing protective clothing, and seeking shade during peak hours, particularly in extreme and very high exposure categories.
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 |
| Buta Ranquil | 16 | 14 | 11 | 8 | 7 | 4 | 5 | 8 | 10 | 11 | 15 | 16 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |