Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Santa Teresa, Peru, where high altitudes and tropical climate can elevate sun exposure risks. This picturesque region experiences significant UV levels, particularly during midday, making it essential to be aware of the daily fluctuations—ranging from low in the early morning to a peak of 13 around noon. By tracking these UV levels, you can take proactive steps to prevent sunburn and protect your skin health, ensuring your time in the sun is safe and enjoyable. With Santa Teresa’s climate typically marked by sunny days, being informed about the UV Index can help you bask in the beauty of the outdoors without compromising your well-being.
The UV Index rises dramatically as the day unfolds, peaking sharply at 11:00 AM and remaining high at 12:00 PM, both registering 13. Early risers will note a gentle start, with a maximum of 1 at 7:00 AM and a modest 3 at 8:00 AM. However, by 9:00 AM, the buzz of midday sun kicks in, reaching 7. The intensity reaches its apex at 10:00 AM with a striking 10, warning everyone to take precautions. As the afternoon approaches, the index begins a steady decline, dropping to 8 by 2:00 PM, and further down to a mere 1 by 5:00 PM. By 6:00 PM, the UV danger dissipates completely, hitting 0 and marking the end of the sun's harshness for the day. Be mindful of these fluctuations to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 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 remains overwhelmingly high throughout the year, peaking at 19 in January, February, November, and consistently remaining in the extreme exposure category each month. This indicates a dangerously short burn time of just 10 minutes across all months, making sun protection essential for both visitors and residents. The highest risk months include January to April and November, when UV rays are more intense. It is crucial for everyone to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak hours to mitigate harmful exposure. Always stay vigilant about UV levels to ensure your safety while enjoying outdoor activities.
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 |
| Santa Teresa | 19 | 19 | 18 | 17 | 14 | 11 | 13 | 14 | 16 | 18 | 19 | 18 |