Last updated: June 2, 2025
Understanding the UV Index in Santa Rosa, Peru is crucial for safeguarding your skin and overall health. With the region's climate classified as ET (tropical highland), the sun can pose significant risks, especially during peak hours. The UV levels here can soar to 11 around midday, indicating a very high risk of harm from unprotected sun exposure. By staying informed about UV index fluctuations, you can take proactive steps to prevent sunburn and long-term skin damage, ensuring a safe outdoor experience in this beautiful yet sun-drenched location. Whether you're enjoying the vibrant outdoors or exploring local attractions, a little awareness about UV levels can go a long way!
At 07:00, the UV Index starts low at 1, gradually climbing to 3 by 08:00. As the sun rises higher, the intensity surges, peaking at a striking 11 by 11:00 and remaining at that level until 12:00. The afternoon sees a slight decrease, with the index slipping to 10 by 13:00 and then further to 7 at 14:00. By mid-afternoon, the UV Index does a dramatic drop to 4 at 15:00, and by 16:00, it falls back to 1. The sun begins to set, leading to a complete reduction, bringing UV levels down to 0 by 19:00. This data illustrates a typical day of high UV exposure during the midday hours, highlighting the importance of sun protection at peak times.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 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 experiences consistently high levels throughout the year, with the most extreme exposure occurring from January to April, where the index remains above 22. March shows the peak at 22, transitioning to slightly lower but still dangerous levels from May onward, peaking at 15 in August. The months of January to April should be considered high-risk for skin damage, as even a mere 10 minutes of exposure can result in burns. Residents and visitors are strongly advised to take precautions during these months, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during peak sunlight hours. Consistent awareness of the UV Index is essential, even in the later months, as values remain significant through November with a 19 index.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Callao UVI | 14 | 14 | 14 | 12 | 10 | 9 | 10 | 11 | 12 | 13 | 14 | 13 |
| Lima UVI | 14 | 14 | 14 | 12 | 10 | 9 | 10 | 11 | 12 | 13 | 14 | 13 |
| Trujillo UVI | 15 | 15 | 15 | 14 | 12 | 11 | 11 | 11 | 13 | 14 | 14 | 14 |
| Chiclayo UVI | 14 | 15 | 15 | 14 | 13 | 11 | 11 | 12 | 15 | 14 | 14 | 13 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |
| Santa Rosa | 23 | 23 | 22 | 18 | 14 | 11 | 13 | 15 | 18 | 19 | 19 | 21 |