Last updated: July 2, 2025
In Puerto Casma, Peru, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps prevent sunburn but also plays a vital role in long-term skin wellness. With its BWh climate, Puerto Casma experiences varying UV exposure throughout the day, peaking at a significant 10 between noon and 1 PM. This means that even a short time outdoors during peak hours can lead to skin damage. By being aware of the UV Index, residents and visitors can take proactive measures to protect themselves, ensuring enjoyable days under the sun in this beautiful coastal town.
The UV Index throughout the day paints a vivid picture of sun intensity. Early risers will feel minimal exposure, with a low of 1 at 07:00, gently climbing to 2 by 08:00. As the sun reaches its peak, the index skyrockets to a staggering 10 during the lunch hours at 12:00 and 13:00, indicating very high UV levels that demand protection. Following this zenith, the numbers begin to dwindle, descending to 8 at 14:00 and tapering off to 5 by 15:00. As evening settles in, the UV Index gracefully declines to 1 by 17:00 and finally drops to 0 at 19:00, marking the end of a sunlit day. Stay safe and enjoy the sunshine, but don’t forget those essential sun care practices during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with January through April showcasing extreme conditions, peaking at 15 in March. The highest risk months are identified from January to April and October to November, all maintaining an extreme exposure category with a burn time as short as 10 minutes. The UV Index slightly decreases in June and July to a very high level of 10, allowing for a longer burn time of 15 minutes. Visitors and residents should consider these fluctuations when planning outdoor activities, ensuring they use adequate sunscreen, wear protective clothing, and seek shade during peak hours, especially in the high-risk months. Remaining vigilant about sun safety is crucial year-round to mitigate the risks of 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 |
| Puerto Casma | 14 | 14 | 15 | 13 | 12 | 10 | 10 | 11 | 13 | 14 | 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 |