Last updated: July 2, 2025
In Dos de Mayo, Peru, being aware of the UV Index is crucial for protecting your skin against harmful ultraviolet radiation. Understanding UV levels not only helps in preventing painful sunburn but also promotes long-term skin health, reducing the risk of skin damage and related illnesses. With its Aw climate, Dos de Mayo experiences intense sunlight, particularly between late morning and early afternoon when UV levels peak, reaching a high of 12 at noon. Staying informed about these fluctuations is essential for enjoying outdoor activities safely and ensuring your skin remains safe from excessive exposure.
As the sun rises, the UV Index starts at a minimal 1 at 7:00 AM, gradually increasing to 2 by 8:00 AM. The intensity quickly intensifies, peaking at midday with a scorching 12 around noon. From 11:00 AM to 1:00 PM, the index remains dangerously high at 11 but begins to decline thereafter. By 3:00 PM, it falls to 6, continuing its descent to 3 by 4:00 PM. As the day winds down, the UV Index drops to 1 at 5:00 PM and finally settles at 0 after 6:00 PM, emphasizing the importance of sun protection during the peak hours from 10:00 AM to 2:00 PM.
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 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index exhibits consistently extreme levels throughout the year, peaking at 17 from January to April and remaining notably high during May to September, with values between 12 and 17. The highest risk months are January through April, where the burn time is as low as 10 minutes; visitors and residents are strongly advised to take precautions against sun exposure during these months. Even in the following months, such as May to October, the UV Index remains elevated, necessitating the regular use of sunscreen, protective clothing, and seeking shade. To ensure your safety, always stay vigilant about UV levels, especially during 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 |
Dos de Mayo | 16 | 17 | 17 | 17 | 14 | 12 | 12 | 13 | 15 | 16 | 15 | 15 |
Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |