Last updated: August 1, 2025
In San Juan de Iris, Peru, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels can help you prevent sunburn, reduce the risk of skin cancer, and maintain optimal skin health, especially during the intense midday sun. With a BSk climate characterized by high-altitude exposure, residents and visitors alike face significant UV risks, peaking at an alarming 14 between noon and 1 PM. By staying informed about UV levels, you can enjoy the beautiful sunshine while protecting your skin from harmful effects.
As the day unfolds, the UV Index makes a notable journey. Beginning at a modest 1 at 07:00, the intensity ramps up swiftly. By 09:00, it hits 5, but the real peak arrives at 12:00 with a powerful 14, signaling the need for sun protection. The sun reaches its zenith at 11:00 with a 12, and a slight decline occurs as we move into the afternoon, dropping to 10 by 14:00. Gradually, the UV levels retreat, falling to 6 at 15:00, and further down to 3 by 16:00. Finally, relief comes as the sun begins to set, with the index sinking to 1 at 17:00 and 0 by 18:00, marking the end of a day filled with vibrant solar energy.
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 | 10 | very high | 15 min |
11:00 | 14 | extreme | 10 min |
12:00 | 15 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index exhibits extreme levels of exposure year-round, with values frequently peaking between 19 and 20. The highest risk months are January, February, March, and November when the UV Index consistently reaches 20, indicating a burn time of just 10 minutes. Even during the summer months, such as June to August, the UV Index remains notably high, ranging from 13 to 15. Therefore, it is crucial for both visitors and residents to take necessary precautions throughout the year, especially in the peak UV months. Wearing sunscreen, protective clothing, and limiting sun exposure during peak hours are essential steps to safeguard against harmful UV radiation.
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 |
San Juan de Iris | 20 | 19 | 20 | 18 | 14 | 13 | 14 | 15 | 17 | 18 | 20 | 18 |