Last updated: July 2, 2025
Understanding the UV Index in San Juan de Cacazu, Peru is essential for protecting your skin in this vibrant region. With a climate characterized by ample sunshine, knowledge of UV levels can significantly aid in preventing sunburn and safeguarding long-term skin health. During the peak hours, particularly between 11:00 AM and 1:00 PM, the UV Index reaches alarming highs of 10 to 11, indicating a very high risk of harm from unprotected sun exposure. As residents and visitors alike enjoy the beautiful outdoors, being aware of the UV Index helps everyone make informed choices, ensuring treasured moments under the sun don’t lead to painful consequences.
The UV Index throughout the day showcases a dramatic rise as the sun climbs higher. Starting from a gentle 1 at 7:00 AM, it quickly escalates, reaching 10 by 11:00 AM and peaking at 11 from noon to 1:00 PM, indicating very high levels of UV radiation. As the afternoon progresses, the index gracefully declines, dropping to 5 by 3:00 PM, before settling back to a 2 by 4:00 PM. Finally, the day concludes with a return to lower levels, with the UV Index at 0 by 6:00 PM. Stay safe and protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | 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 |
The UV Index data reveals that extreme exposure levels persist throughout the year, with a consistent index of 17 from January to March, indicating that these months are notably high-risk for UV exposure. April to June witnesses a slight decrease, yet still maintains an extreme category, while subsequent months like July and August remain at an index of 11 to 13, maintaining caution. September and October see fluctuating values between 14 and 16, before November ramps up again to 17. It is crucial for visitors and residents to take protective measures year-round, especially during these high-risk months, by using sunscreen, wearing protective clothing, and seeking shade to minimize the risk of skin damage. Remember, with a burn time of just 10 minutes, vigilance is essential in sunny conditions.
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 Juan de Cacazu | 17 | 17 | 17 | 16 | 13 | 11 | 11 | 13 | 14 | 16 | 17 | 16 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |