Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in the Marcara District of Peru, where the high altitude and vibrant ET climate amplify sun exposure. Being aware of UV levels is essential not just for sunburn prevention but also for long-term skin health. During peak hours, from 10:00 AM to 2:00 PM, UV Index readings can soar to 14, posing significant risks for skin damage. With Marcara's intense sunlight, it’s vital to protect yourself by staying informed and taking appropriate precautions to enjoy the outdoors safely.
The UV Index today experiences a dramatic rise as the sun reaches its zenith. Starting at a modest 1 at 7 AM, it climbs steadily, hitting 2 by 8 AM and reaching 5 by 9 AM. By 10 AM, the index soars to 9, indicating a need for sun protection. The peak occurs at 12 PM and 1 PM, where it reaches an intense 14, prompting caution for those outdoors. As the afternoon progresses, the index begins to decline, dropping to 11 at 2 PM, then 7 at 3 PM, before falling sharply to 3 by 4 PM. By the evening, the UV risk diminishes to a safe 1 at 5 PM, and finally, it settles at a negligible 0 by 6 PM, inviting the day to a close. Embrace the sun wisely during its 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 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 7 | 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 data reveals extreme levels of UV exposure prevalent throughout the year, with consistently high values from January to April, peaking at 19. The months of February and March maintain this peak, indicating that these are particularly high-risk months for sunburn, with a burn time of just 10 minutes across all months. Starting in May, the UV Index sees a slight decrease, but it remains a concern, particularly in September and October, where it still reaches 17 to 18. Residents and visitors are urged to take precautionary measures year-round, including using sunscreen, wearing protective clothing, and limiting sun exposure to avoid skin damage. Stay vigilant, especially during the peak months of February and March.
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 |
| Marcara District | 19 | 19 | 19 | 18 | 15 | 13 | 14 | 15 | 17 | 18 | 18 | 17 |