Last updated: July 2, 2025
Understanding the UV Index is vital for residents and visitors in Nicasio, Peru, where the unique climate can expose individuals to varying levels of UV radiation throughout the day. Awareness of UV levels is crucial for preventing sunburn and promoting long-term skin health, as harmful rays can lead to serious skin damage. With Nicasio's Cfb climate typically yielding significant midday sun exposure—peaking at a high UV Index of 12 from 11 AM to 1 PM—being informed about UV risks can help everyone enjoy outdoor activities safely while protecting their skin.
The UV Index throughout the day reveals a dynamic sun intensity pattern that peaks at 12 between 11:00 and 12:00, indicating a high risk for unprotected skin. Early risers are greeted with a mild 1 at 07:00, gradually increasing to 3 by 08:00. By 09:00, it surges to 6, suggesting that sun protection is becoming increasingly important. The intensity remains elevated at 9 by 10:00 and holds steady at 12 during the late morning hours. As the afternoon progresses, the UV Index starts to dip, falling to 11 at 13:00 and then declining to 8 by 14:00. Late afternoon sees a significant drop, with values dropping to 4 at 15:00, and tapering off to 2 by 16:00. Finally, the UV Index returns to a safe 1 at 17:00, before falling to 0 as the sun sets, emphasizing the importance of being sun-smart during peak hours.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | 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 |
The UV Index remains consistently high throughout the year, peaking in the early months. January through March see particularly extreme levels, with UV Index values reaching 20 and a minimal burn time of just 10 minutes. Even as the temperature warms, levels remain elevated; April to June maintain UV Index ratings between 11 and 17, still categorized as extreme. Visitors and residents should prioritize sun safety during these high-risk months, especially from January to April, when sun exposure poses the greatest risk for skin damage. It is advisable to use sunscreen, wear protective clothing, and seek shade to minimize UV exposure, as these precautions are crucial year-round to guard against harmful effects.
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 |
Nicasio | 19 | 20 | 20 | 17 | 13 | 11 | 12 | 14 | 16 | 18 | 19 | 19 |