Last updated: June 2, 2025
In Magdalena, Peru, understanding the UV Index is crucial for safeguarding your skin and overall health against the sun's harmful rays. The UV levels can vary significantly throughout the day, peaking at a striking 11-13 between 11 AM and 1 PM, making sunburn prevention vital for both residents and visitors. With a Cfb climate, characterized by mild temperatures and ample sun exposure, it's essential to stay informed about UV risks to protect yourself from long-term skin damage. Staying aware of the UV Index not only helps in enjoying the outdoors safely but also promotes healthier skin for a vibrant lifestyle in this beautiful region.
At dawn, the UV Index starts subtly, peaking at 1 by 7:00 AM, but as the sun rises higher, so does the intensity of UV radiation. By 9:00 AM, it jumps to 5, and reaches its zenith around 12:00 PM with an impressive 13—a critical time to seek shade or apply sunscreen. The intensity slightly wanes in the early afternoon, showing 12 at 1:00 PM, then gradually decreases to 9 by 2:00 PM and further down to 3 at 4:00 PM. As the evening sets in, the UV Index drops dramatically, falling to 0 by 6:00 PM. This hourly data highlights the importance of protecting yourself during the midday hours when UV exposure is at its highest.
| 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 | 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, UV Index values remain critically high, particularly from January to May, where levels peak at 18 and maintain an extreme exposure category, making these months particularly high-risk for sunburn, with a burn time of just 10 minutes. As the months progress into the summer, UV levels slightly decrease, but they still indicate a significant risk, especially in July and August, with indices ranging from 13 to 14. The trend remains consistent from September through December, where UV Index values hover between 16 to 17, continuing to represent an extreme risk. Visitors and residents should take essential precautions year-round, such as wearing protective clothing, applying high-SPF sunscreen regularly, and seeking shade during peak sun hours to minimize health risks associated with prolonged sun 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 |
| Magdalena | 17 | 18 | 18 | 18 | 15 | 13 | 13 | 14 | 16 | 17 | 16 | 16 |