Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in El Rosario, Peru, given the region's tropical climate and high altitude. With UV levels peaking at 12 around noon, awareness of these fluctuations can significantly aid in sunburn prevention and promote better skin health. Knowing when the sun's rays are most intense allows you to take the necessary precautions, ensuring safe outdoor activities while minimizing the risk of harmful UV exposure. As you navigate the warm and sunny days in this picturesque locale, keep an eye on the UV Index to protect yourself and enjoy the beauty of El Rosario safely.
As the day unfolds, the UV Index begins to rise steadily, peaking at 12 around noon, indicating a high risk of harm from unprotected sun exposure. Starting from a mild 1 at 07:00, it climbs to 2 by 08:00, then surges to a significant 9 by 10:00. The intensity continues to escalate, reaching its maximum at 11 by 11:00, just before noon. After a slight dip to 8 by 14:00, the UV Index begins its gradual decline, dropping to 2 by 16:00, and finally resting at 0 by 18:00—a clear indication that the sun's rays are no longer a concern. To protect your skin, it's crucial to seek shade and apply sunscreen during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels remain consistently high, with an extreme exposure category reported monthly. The highest UV Index readings of 19 occur consistently from January to March, identifying this period as high-risk for harmful sun exposure. Following these months, the UV Index slightly decreases, yet remains elevated with values around 15 to 18 until November. Visitors and residents are advised to adopt protective measures year-round, including wearing UV-blocking sunglasses, applying broad-spectrum sunscreen regularly, and seeking shade, especially during midday hours to avoid sunburn in as little as 10 minutes.
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 |
El Rosario | 19 | 19 | 19 | 18 | 15 | 12 | 13 | 15 | 17 | 18 | 18 | 18 |