Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Umachiri, Peru, a region known for its unique climate in the ET (Tundra) zone. Awareness of UV levels helps in sunburn prevention and maintaining overall skin health, especially considering the peaks in UV exposure that can reach as high as 13 around noon. With temperatures often clear and sunny, the risk of skin damage increases during midday hours from 10:00 AM to 2:00 PM, making it essential for everyone to stay informed and protected against harmful UV radiation while enjoying the beauty of this vibrant Peruvian locale.
The UV Index throughout the day showcases a dramatic rise and fall, peaking at 12 around 12:00 PM. The morning starts gently, with a maximum of 3 at 08:00 AM, but by 10:00 AM, it escalates to 10, indicating a significant increase in sun intensity. This reaches its zenith at 12:00 PM, where a UV Index of 13 emphasizes the need for sun protection. The intensity begins to taper off after this peak, dropping to 4 by 15:00 PM and further declining to 1 by 17:00 PM. As the evening approaches, the UV Index effectively returns to 0 after 18:00 PM, signaling the end of sun exposure risk for the day. Be mindful of these fluctuations and prioritize sun safety 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 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | 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 |
Throughout the year, UV indexes remain notably high, with the highest readings occurring from January to April, where values peak at 21 and are categorized as extreme. March marks a slight decline to 20, while April drops to 17. As summer approaches, the index degrades gradually, hitting 11 in June before slightly rising again in July at 13 and peaking in August at 15. This trend continues into September and October, with indexes reaching 17 and 18 respectively, before climbing marginally to 19 in both November and December. Given these readings, visitors and residents should take precautionary measures, especially during high-risk months (January to April), by limiting sun exposure to no more than 10 minutes without protection. Wearing sunscreen, protective clothing, and sunglasses is crucial throughout the year, particularly in these peak months, to minimize the risk of sunburn and long-term skin damage.
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 |
| Umachiri | 21 | 21 | 20 | 17 | 14 | 11 | 13 | 15 | 17 | 18 | 19 | 19 |