Last updated: June 2, 2025
In Chaclacayo, Peru, understanding the UV Index is crucial for ensuring your skin's health and preventing sunburn. With a climate characterized by dry, warm conditions typical of the BSk zone, residents and visitors alike must be aware of the varying UV levels throughout the day. As peaks reach an intense 10 between noon and 1 PM, the risk of harmful UV exposure increases significantly. By staying informed of the UV Index, you can protect yourself from its adverse effects while enjoying the vibrant outdoors in this beautiful region.
The UV Index throughout the day presents a compelling narrative of sun exposure, peaking at a staggering 10 at 12:00 PM, indicating a need for caution. As the sun rises, the UV Index gradually climbs from 1 at 7:00 AM to a notable 4 by 9:00 AM. The ascent continues, reaching 9 by 11:00 AM, before hitting its maximum at noon. However, as the afternoon progresses, the intensity wanes, with readings dropping to 7 by 2:00 PM and eventually falling to 1 by 5:00 PM. As twilight approaches, the Index dips to 0 after 6:00 PM, promising safe evening conditions. Engaging with the sun requires awareness; ensure you're protected during those 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 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 |
The UV index shows extreme levels from January to April, with a consistent reading of 15 and a rapid burn time of just 10 minutes. This high-risk period continues into May, where it remains extreme at 11. A slight decrease is observed in June, where the UV index drops to 10, categorized as very high, allowing for a marginally longer burn time of 15 minutes. The index rises again through July (11), August (12), and September (14), marking these months as particularly hazardous for skin exposure. Entering October through December, the UV index returns to 15 with an extreme exposure category, emphasizing the need for vigilance year-round. Given these readings, it is crucial for both visitors and residents to take precautionary measures, such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours, especially between late morning and early afternoon.
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 |
| Chaclacayo | 15 | 15 | 15 | 14 | 11 | 10 | 11 | 12 | 14 | 15 | 15 | 15 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |