Last updated: June 2, 2025
In Minas de Marcona, Peru, being aware of the UV Index is crucial for maintaining skin health and preventing painful sunburns. Understanding UV levels helps residents and visitors alike make informed decisions about sun exposure, especially during the peak hours when the UV Index reaches a maximum of 9 around noon. With the region's dry BWk climate, the risks of overexposure are heightened, making it essential to know when to seek shade and apply sunscreen. Stay informed and protect yourself from the harmful effects of UV radiation in this sun-soaked locale!
The UV Index data for today reveals a steady climb in ultraviolet exposure as the sun rises. Starting at a mild 1 at 07:00, the index escalates to 2 by 08:00, before witnessing a significant jump to 4 at 09:00. The peak occurs around 12:00, where it reaches 9—a strong signal to take protective measures against sun damage. After this midday high, the UV Index begins to drop, descending to 6 at 14:00, before dwindling further to 3 by 15:00. The evening hours bring a dramatic decline, with 1 at 16:00 and tapering off to 0 by 19:00. This data highlights the importance of sun safety during peak hours, particularly between 11:00 and 13:00.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV index levels show significant seasonal variation, with extreme exposure categories prevalent from January to April and again in August and November. The highest-risk months for UV exposure are January, February, and November — all with a UV index of 15 and a burn time of just 10 minutes. From March to April, the index remains high but slightly decreases to 14 and 13, respectively. Visitors and residents are strongly advised to take precautions during these critical months, including wearing protective clothing, seeking shade, and applying high SPF sunscreen to reduce the risk of sunburn and long-term skin damage. In contrast, from May through July, while the UV index remains high, exposure risks lessen slightly, with burn times extending to 15 minutes. However, vigilance is still necessary, especially during peak sunlight 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 |
| Minas de Marcona | 15 | 15 | 14 | 13 | 10 | 9 | 9 | 11 | 13 | 14 | 15 | 15 |
| 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 |