Last updated: June 2, 2025
In the sun-kissed landscape of Callancas, Peru, understanding the UV Index is essential for safeguarding your skin's health. With UV levels reaching a peak of 13 during midday, awareness of these fluctuations can significantly reduce the risk of sunburn and long-term skin damage. Callancas's BSk climate presents unique challenges, as sunny days can quickly escalate UV exposure risks, especially from 10 AM to 2 PM when the sun's rays are most potent. Staying informed about the UV Index not only helps you plan your outdoor activities but also ensures that you take necessary precautions to enjoy the Peruvian sun safely.
Throughout the day, the UV Index exhibits a significant fluctuation, peaking during the midday hours. Starting from a low of 1 at 7:00 AM, it gradually rises to 2 by 8:00 AM and then makes a notable leap to 5 by 9:00 AM. The intensity reaches its maximum at 12:00 PM with a striking 13, highlighting the importance of sun protection during this period. As the afternoon progresses, the index begins to decline, dropping to 9 at 2:00 PM and further to 6 by 3:00 PM. The UV rays become milder as the sun sets, ending the day with 1 at 5:00 PM and fading to 0 by 6:00 PM. This pattern underscores the need to be mindful of UV exposure, especially during those peak hours when the sun’s rays are most intense.
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 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | 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 |
Throughout the year, the UV Index remains consistently extreme, with the highest values recorded from January to April and again in October. These peak months, particularly February and March with an index of 18, present the highest risk for skin damage, with a burn time of just 10 minutes. Although May and June witness a slight decrease in UV levels, visitors and residents should remain vigilant, as the index still ranges from 13 to 15. The September and November months also show considerable UV levels at 17, emphasizing the need for sun protection year-round. It is advisable for everyone to take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of UV exposure.
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 |
Callancas | 17 | 18 | 18 | 18 | 15 | 13 | 14 | 14 | 17 | 18 | 17 | 16 |