Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Progreso, Peru, where the sun's rays can carry significant risks throughout the day. With peak UV levels reaching as high as 14 during midday, awareness of these readings can help prevent sunburn and protect long-term skin health. Progreso's Cfc climate fosters warm, sunny days, making it essential to monitor UV exposure to ensure safe outdoor activities. Stay informed to enjoy the sun responsibly!
The UV Index paints a vivid picture of the day's sun exposure, starting gently at 1 by 07:00. As the morning unfolds, it climbs to 3 by 08:00, then escalates rapidly, peaking at 14 around 12:00. This midday surge, marked by 11 at 10:00 and a staggering 13 at 11:00, indicates a high risk of harm from unprotected sun exposure. As the afternoon approaches, the index begins to decrease, dropping to 8 by 14:00 and later to 4 at 15:00. By 16:00, it scales down to 2, and the shadows deepen as the sun sets, with the UV Index finally resting at 0 by 18:00 and 19:00. It’s a reminder to take precautions during the peak hours to protect oneself from excessive UV exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 4 | 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 remarkably high, with extreme exposure categories dominating each month. The highest risk months occur during the winter months of January through April, where the UV Index hovers between 20 and 21, presenting a burn time of only 10 minutes. As the year progresses into summer and early fall, while UV levels slightly decrease, the risk remains significant with a consistent index between 11 and 17. Residents and visitors are strongly advised to take precautions throughout the year, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during peak hours, to mitigate the risks associated with extreme UV exposure.
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 |
| Progreso | 21 | 20 | 20 | 17 | 14 | 11 | 13 | 15 | 17 | 18 | 19 | 20 |