Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors of Pusi, Peru, where the climate typically falls into the Cwb zone, characterized by cool and dry conditions. Understanding UV levels is essential for effective sunburn prevention and long-term skin health, as excessive exposure can lead to serious dermatological issues. In Pusi, UV exposure can peak drastically, reaching levels as high as 11 around midday, significantly increasing the risk of harmful effects. Being informed and proactive about UV radiation is key to enjoying the beautiful, sunny days in this vibrant region while protecting your skin.
Starting off the day, the UV Index begins at a mild 1 at 07:00, ideal for morning strolls. As the sun climbs higher, the intensity picks up, reaching 3 by 08:00 and surging to a notable 6 by 09:00. The peak occurs around 12:00 when the UV Index hits a strong 11, signaling the need for sun protection. After midday, the index gradually declines, falling to 9 by 13:00, then dipping to 6 at 14:00. As the afternoon wanes, levels continue to drop, hitting 3 at 15:00, before dropping back to 1 by 16:00 and finally settling to 0 after 18:00. This pattern highlights the importance of sun safety during the peak hours from 11:00 to 13:00.
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | 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, the UV Index remains extremely high, particularly from January to November, with values consistently around 19 to 18, indicating a high risk of harm from unprotected sun exposure. March sees a slight dip at 18, while June and July reduce slightly to 11 and 12, respectively, but still warranted caution. May and August present minor variations, with indices of 13 and 14. As we transition to September, the UV Index returns to 16, and November marks a peak at 19 again. Given these conditions, it is crucial for visitors and residents to take proactive measures to protect themselves from sun exposure during these high-risk months. This includes wearing protective clothing, applying sunscreen frequently, and seeking shade whenever possible, particularly during the midday hours. Remember, a burn time of just 10 minutes underscores the urgency of sun safety in this region year-round.
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 |
| Pusi | 19 | 19 | 18 | 16 | 13 | 11 | 12 | 14 | 16 | 18 | 19 | 18 |