Last updated: June 2, 2025
In San Regis, Peru, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its Af climate, residents and visitors experience strong sun exposure, especially during the midday hours when the UV levels can reach a staggering 12—a critical number that underscores the importance of sun safety practices. By staying informed about daily UV fluctuations, you can take proactive measures to protect your skin, ensuring that your time under the sun is both enjoyable and safe. Being aware of the UV levels helps you make informed decisions about sun protection, whether it’s applying sunscreen, wearing protective clothing, or seeking shade during peak hours.
The UV Index throughout the day paints a vivid picture of sun intensity, peaking dramatically around noon. Beginning with a gentle start at 1 at 07:00, the index climbs steadily, reaching 3 by 08:00 and hitting 5 at 09:00. The sun asserts its power by 10:00, blasting to 9, and continues to soar to a scorching maximum of 12 at 12:00. As the afternoon progresses, the readings begin to decline, dropping to 10 at 13:00, then to 8 at 14:00. By 15:00, the index has already dipped to 4, transitioning to 2 by 16:00. As daylight wanes, the UV Index gently fades to 1 by 17:00 and finally retreats to 0 by 18:00, offering a gentle reminder to seek shade during those peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | 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 experiences its highest values from January to April, peaking at 17 in March, which signifies extreme exposure risks for skin and eyes. The burn time during these months is a mere 10 minutes, making it crucial for visitors and residents to take protective measures, such as wearing sunscreen, sunglasses, and protective clothing. Although the UV Index slightly decreases during the summer months, it remains in the extreme category from May to August, maintaining a burn time of 10 minutes. September, October, and November see a slight decline, yet the UV Index still holds at levels that require caution. Therefore, throughout the year, but particularly from January to April, it is essential for everyone to stay informed and proactive in sun protection strategies to mitigate the risks associated with high 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 |
| San Regis | 15 | 16 | 17 | 16 | 13 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |