Last updated: May 3, 2025
In Chosica, Peru, understanding the UV Index is crucial for everyone looking to safeguard their skin health while enjoying the beautiful, sun-drenched climate of this BSk zone. With peak UV levels reaching a striking 11 between 11:00 AM and 1:00 PM, awareness of the UV Index can help residents and visitors alike prevent sunburn and long-term skin damage. Given the region's high altitude and proximity to the equator, Chosica experiences unique risks that make it essential to monitor UV exposure regularly. Stay informed and protect yourself with simple precautions to enjoy the sun safely!
At 7:00 AM, the UV Index begins its climb with a gentle 1, slowly rising to 2 by 8:00 AM. As the sun gains strength, it peaks at an impressive 11 between 11:00 AM and 12:00 PM, marking the height of midday intensity. Just after noon, the index slightly dips to 10 at 1:00 PM, then gradually falls through the afternoon—dropping to 4 by 3:00 PM. As the day wanes, the UV Index continues its descent, reaching 2 at 4:00 PM, and finally settling to 1 at 5:00 PM. By 6:00 PM, it's a safe 0, with no UV exposure anticipated for the evening. This pattern highlights the essential need for sun protection during midday hours when the UV levels are at their 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 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 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 |
| Chosica | 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 |