Last updated: June 2, 2025
In Ascension, Peru, being aware of the UV Index is crucial for protecting your skin from the sun's harmful rays. Understanding UV levels helps you prevent sunburn and promotes overall skin health, especially in a region where intense sunlight is a daily reality. With a tropical climate (ET) that exposes residents and visitors to high UV levels, particularly between 10 AM and 1 PM when the index can soar to 13, it's essential to take precautions. Stay informed and enjoy the sun safely as you navigate the beautiful landscapes of Ascension!
The UV Index reveals a striking pattern throughout the day, peaking dramatically around noon. Starting from a gentle 1 at 07:00, the index climbs steadily, hitting 3 by 08:00 before surging to 10 at 10:00 and reaching its maximum of 13 at 12:00. This midday high suggests the need for strong sun protection as the intensity begins to wane in the afternoon, dropping to 9 at 14:00 and further declining to a moderate 5 by 15:00. As the sun sets, the UV Index drops sharply to 2 at 16:00 and returns to its morning levels with a 1 at 17:00 and 0 from 18:00 onward. For sun-enthusiasts and safety-conscious individuals alike, the data paints a clear picture: the hours around midday demand the utmost vigilance against UV exposure!
| 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 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | 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 Index levels remain consistently high, categorizing exposure as extreme. January through April sees the highest values, peaking at 23, indicating a 10-minute burn time for unprotected skin. Even as we move into May to August, while the index decreases to a minimum of 13, the risk remains significant, with 10 minutes still representing the time frame for potential burns. September and October return to 20, with November and December slightly lower at 21. Given this data, it is crucial for both visitors and residents to take stringent sun protection measures year-round, particularly during the high-risk months from January to April, and to remain vigilant even in the late fall and winter months. Wearing sunscreen, protective clothing, and seeking shade are all essential steps to ensure outdoor 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 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |
| Ascencion | 23 | 23 | 22 | 20 | 15 | 13 | 14 | 16 | 18 | 20 | 21 | 21 |