Last updated: June 2, 2025
In Cosos, Peru, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding daily UV levels can help you take protective measures, especially during peak hours when the sun is strongest. With a BWk climate, Cosos experiences significant UV exposure, particularly between 11:00 AM and 1:00 PM, when the index reaches a maximum of 10. Being informed about these levels empowers residents and visitors alike to enjoy the beautiful sunny days while safeguarding their skin against harmful effects.
The UV Index throughout the day shows a dynamic pattern of sun exposure. Starting at a low of 1 at 07:00, it gently rises to 2 by 08:00. As the morning progresses, the intensity increases more noticeably, peaking at a striking 10 at 12:00, marking the highest level of sun strength. From there, the index begins its descent, falling to 8 at 13:00 and tapering off to 6 by 14:00. The afternoon witnesses a further decline, with values dropping to 3 at 15:00 and easing to 1 by 17:00. As the sun sets, the index finally drops to 0 at 18:00 and remains insignificant through the evening hours. This data highlights the importance of protecting your skin during peak hours, especially from 10:00 to 14:00, when the UV exposure is at its highest.
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 | 7 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 6 | high | 25 min |
15:00 | 3 | moderate | 30 min |
16:00 | 1 | 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 values remain notably high, with the most extreme levels occurring from January to April and again in July and August. The highest risk months for sun exposure are January, February, March, and October, where the UV Index reaches 18, suggesting an exposure category of extreme and a dangerous burn time of just 10 minutes. During these months, it is crucial for visitors and residents to take precautions by seeking shade, wearing protective clothing, and using sunscreen with a high SPF. Even in the summer months, while the UV Index decreases slightly, vigilance is still necessary as the index remains high to very high. Long-term exposure can lead to skin damage, so staying informed about daily UV forecasts is essential for safety.
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 |
Cosos | 18 | 17 | 17 | 14 | 12 | 10 | 11 | 13 | 15 | 17 | 17 | 17 |
Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |