Last updated: June 2, 2025
In the stunning region of Calca, Peru, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its high-altitude climate and clear skies, Calca often sees elevated UV levels, particularly between 10 AM and 2 PM, when the index peaks at 12. Awareness of these UV levels helps residents and visitors alike protect themselves against the harmful effects of sun exposure, ensuring safe outdoor enjoyment while safeguarding against skin damage. Whether you're exploring the breathtaking landscapes or simply soaking up the sun, staying informed about the UV Index is essential for smart sun safety in Calca.
As the day unfolds, the UV Index begins to rise steadily, peaking at 12 around noon, indicating a high risk of harm from unprotected sun exposure. Starting from a mild 1 at 07:00, it climbs to 2 by 08:00, then surges to a significant 9 by 10:00. The intensity continues to escalate, reaching its maximum at 11 by 11:00, just before noon. After a slight dip to 8 by 14:00, the UV Index begins its gradual decline, dropping to 2 by 16:00, and finally resting at 0 by 18:00—a clear indication that the sun's rays are no longer a concern. To protect your skin, it's crucial to seek shade and apply sunscreen 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 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | 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 exhibits remarkably high levels throughout the entire year, consistently falling within the extreme exposure category. From January to April, the UV Index remains at 19, posing the highest risk for skin damage with a rapid burn time of just 10 minutes. May sees a slight decrease to 14, while June to August fluctuates between 12 and 14. However, September marks a resurgence with a UV Index of 16, and October and November follow closely behind at 18. December slightly drops to 17. Given these persistently high UV levels, it is crucial for both visitors and residents to take strict precautions during all months, including wearing protective clothing, applying broad-spectrum sunscreen, and limiting direct sun exposure, especially during peak hours.
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 |
Calca | 19 | 19 | 19 | 17 | 14 | 12 | 13 | 14 | 16 | 18 | 18 | 17 |