Last updated: July 2, 2025
Understanding the UV Index in Marca, Peru, is vital for protecting your skin and maintaining overall health. With its ET climate zone, Marca experiences significant UV exposure, particularly during midday hours when indices soar to a peak of 13. Being aware of UV levels helps prevent sunburn and long-term skin damage, ensuring safety during outdoor activities. As the sun rises, so do the risks—starting with a mild UV Index of 1 at 7:00 AM, escalating to dangerous levels by 12:00 PM. Stay informed and take proactive measures to enjoy the beautiful Peruvian landscape while safeguarding your skin!
The UV Index today is a testament to the sun's intensity as it peaks during the midday hours. Starting with a gentle maximum of 1 at 7:00 AM, the index rises steadily, reaching 2 by 8:00 AM. As the sun climbs higher, the UV levels become more intense, hitting 5 by 9:00 AM. The real heat is felt at 11:00 AM when the index surges to 12, and it reaches its pinnacle at 12:00 PM and 1:00 PM with a blistering 13. After this, the UV Index begins to decline, dropping to 10 at 2:00 PM and settling to a more moderate level of 6 by 3:00 PM. As the sun begins to set, the index falls sharply once again, landing at 1 by 5:00 PM, and hitting 0 by 6:00 PM, indicating a safe time to enjoy the outdoors without sun protection. Overall, it's crucial to take appropriate sun safety measures during the peak hours to protect your skin from harmful UV rays.
| 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 | 12 | extreme | 10 min |
| 12:00 | 13 | 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 |
During the year, the UV Index remains consistently high, reflecting extreme exposure risk throughout most months. Notably, the high-risk months span from January to April, where the UV Index peaks at 18, indicating a burn time of just 10 minutes. As the year progresses into May through August, the index slightly decreases but remains high, with UV levels around 12 to 14. The risk resurges in September to November, maintaining elevated values of 16 to 17. Visitors and residents are strongly advised to take precautionary measures year-round, including wearing protective clothing, applying sunscreen regularly, and seeking shade, especially during peak sun hours, 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 |
| Marca | 18 | 18 | 18 | 17 | 14 | 12 | 13 | 14 | 16 | 17 | 17 | 17 |