Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Ajoyani, Peru, where the high altitude and ET climate contribute to increased UV exposure. Knowing how to interpret UV levels can significantly aid in preventing sunburn and maintaining long-term skin health. With UV Index values peaking between 11:00 AM and 1:00 PM, reaching a maximum of 14, the risks of prolonged sun exposure are elevated. Therefore, it’s essential to stay informed and take preventive measures to protect your skin while enjoying the stunning landscapes of Ajoyani.
The UV Index paints a vivid picture of the sun's intensity throughout the day. Beginning at 7:00 AM, the index is a modest 1, perfect for a morning stroll. As the clock ticks to 8:00 AM, it rises to 4, signaling a bit more caution for those venturing outdoors. By 9:00 AM, the UV Index escalates to 7, and from 10:00 AM onwards, it peaks dramatically at 14 at midday, emphasizing the necessity for sun protection. The lunchtime sun reaches its zenith with a 13 at 11:00 AM and begins to wane as we head into the early afternoon, with values dropping to 8 by 2:00 PM. As the day transitions towards evening, the index returns to a safe 1 by 4:00 PM, eventually tapering off to 0 from 6:00 PM onwards, allowing for a serene sunset without the sun's harsh rays. Enjoy the sunshine wisely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 4 | 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 levels demonstrate significant seasonal variation, predominantly remaining in the extreme exposure category. January through April sees an exceptionally high UV Index, ranging from 20 to 21, indicating that 10 minutes of unprotected exposure may lead to sunburn. Following this, the UV Index slightly declines but remains considerable from May to August, peaking at 15 in August. However, September through November brings back higher readings, peaking again in December at 23. Given this data, visitors and residents should exercise caution, particularly from January to April and again in December, when UV levels are at their highest. It is crucial to protect oneself with adequate sunblock, wear protective clothing, and seek shade to minimize the risk of skin damage during these months of elevated UV exposure.
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 |
| Ajoyani | 21 | 20 | 21 | 20 | 14 | 12 | 13 | 15 | 19 | 20 | 20 | 23 |