Last updated: July 2, 2025
In Varillal, Peru, being aware of the UV Index is essential for maintaining skin health and preventing sunburn. As residents enjoy the warm, sunny climate typical of the Af climate zone, understanding daily UV levels can greatly impact personal well-being. With peak UV values soaring to 11 between 11:00 AM and 1:00 PM, it's crucial to take necessary precautions during these hours. By staying informed about UV exposure risks, you can protect your skin and enjoy the beautiful Peruvian sun safely.
The UV Index today shows a striking progression through the hours. Starting the day with a mild 1 at 07:00, it quickly ramps up to 3 by 08:00, indicating that sun exposure is starting to become relevant. By 09:00, it reaches 5, marking the beginning of a more intense sun experience. The 10:00 hour brings a sharp increase to 8, while 11:00 and 12:00 peak at an impressive 11—signifying a very high risk of harm from unprotected sun exposure. As the afternoon continues, the index gradually dips, dropping to 10 at 13:00, then sliding to 8 by 14:00, before decreasing further to 4 at 15:00. The sun’s intensity wanes into the evening, falling to 2 at 16:00, and finally reaching 1 by 17:00. By 18:00 and beyond, the UV Index falls to 0, offering a reprieve from the sun’s rays as the day concludes. Always remember to stay protected 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | 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 |
Throughout the year, UV Index levels remain consistently extreme, with values peaking at 16 from January to April. This indicates a high risk of harm from unprotected sun exposure, with a burn time of just 10 minutes in all months. May through August sees a slight decline in the UV Index, ranging from 11 to 13, yet still warrants caution. As summer wanes into September and October, the UV Index fluctuates between 13 and 14, maintaining the high-risk category. November and December continue this trend, underscoring that the potential for skin damage remains significant year-round. Residents and visitors are strongly advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during these high UV months.
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 |
| Varillal | 15 | 16 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |