Last updated: May 3, 2025
Understanding the UV Index in Alto Peru is essential for safeguarding your skin and overall health. With UV levels peaking during midday hours, becoming aware of these fluctuations can help you take proactive measures against sunburn and long-term skin damage. Given Alto Peru's Aw climate, known for its warm temperatures and high altitude, ultraviolet radiation can be particularly intense. By staying informed about the UV Index, especially when it reaches levels as high as 15 at noon, residents and visitors can enjoy the sun safely while minimizing the risks associated with excessive exposure.
The UV Index rises significantly throughout the morning, peaking at a scorching 15 by 12:00 PM, making it imperative to protect your skin during midday hours. From a modest 1 at 07:00 AM, it escalates to a formidable 10 by 10:00 AM and reaches its zenith with a 13 by 11:00 AM. Fortunately, this intensity begins to wane in the afternoon, dropping to 6 by 15:00 PM and falling further to a gentle 1 by evening. As the sun sets, the UV Index decreases dramatically, hitting 0 by 18:00 PM. Don't let the early hours mislead you; from late morning to early afternoon, it's crucial to stay shaded and use sunscreen to enjoy a safe day outdoors!
| 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 | 13 | extreme | 10 min |
| 12:00 | 15 | extreme | 10 min |
| 13:00 | 13 | 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 experiences significant fluctuations throughout the year, with the highest readings occurring from January to March, where the index reaches a peak of 18 in March. This period is classified as extreme, with a burn time of just 10 minutes, indicating a critical need for protection against sun exposure. Notably, April sees a slight drop to 17, while May dips further to 15. As summer arrives, the UV Index remains notably high at 12 in June and July, before rising again to 13 in August. With September and October reflecting similar levels to earlier months at 16, the risk persists into the late autumn months. November and December maintain a UV Index of 15, underscoring the importance of vigilance year-round. Visitors and residents are advised to prioritize sun safety, utilizing sunscreen, protective clothing, and seeking shade, especially during peak months to minimize the risk of skin damage.
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 |
| Alto Peru | 16 | 17 | 18 | 17 | 15 | 12 | 12 | 13 | 16 | 16 | 15 | 15 |