Last updated: May 3, 2025
In Londres, Argentina, staying informed about the UV Index is essential for protecting your skin from harmful ultraviolet rays. Understanding UV levels is crucial for effective sunburn prevention and maintaining long-term skin health, especially as sun exposure can lead to serious complications over time. With a BSk climate, Londres experiences varying UV levels throughout the day, peaking at an index of 8 around 1 PM. This highlights the importance of taking precautions, such as wearing sunscreen and protective clothing, particularly during the warmer months when the sun’s intensity poses significant skin health risks.
The UV Index throughout the day presents an interesting journey of sun intensity. Starting with a low reading of 0 at 07:00, the index gradually rises, reaching 1 by 08:00 and 09:00. By 10:00, it inches up to 2, but it’s at 11:00 that the sun truly begins to shine, peaking at a significant 5. The day’s maximum intensity occurs at 13:00, with a high of 8, reminding us to be cautious under the midday sun. As the afternoon progresses, the UV levels start to decline, dropping to 6 at 15:00, then tapering off to 4 by 16:00. The evening brings welcome relief, with readings of 2 at 17:00 and 1 at 18:00, finally returning to 0 by 19:00, signaling the day's end. Remember to protect yourself during those peak hours!
| 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 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | 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 exposure varies significantly, peaking during the winter months and transitioning to lower levels in the summer. January, February, March, and April consistently show an extreme UV Index of 16-14, requiring only 10 minutes before burning occurs. The months of November and December also reflect extreme levels with indices at 16 and 17, respectively. Conversely, May to July display a slight decline, with very high and high ratings, where burn times extend to 15-25 minutes. September sees a return to extreme conditions at an 11 on the UV index. Visitors and residents should remain vigilant during high-risk months, particularly during winter with extreme levels, by wearing protective clothing, applying sunscreen frequently, and minimizing midday sun exposure. Staying informed about local UV conditions will help ensure a safe outdoor experience year-round.
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 |
| Londres | 16 | 16 | 14 | 11 | 8 | 6 | 7 | 8 | 11 | 14 | 16 | 17 |