Last updated: May 3, 2025
In Arena Baja, Peru, being aware of the UV Index is crucial for safeguarding your skin against the harmful effects of ultraviolet radiation. With peak UV levels reaching a striking 11 around midday, understanding these fluctuations not only helps in preventing sunburn, but also plays a vital role in promoting long-term skin health. The region's BWh climate often brings clear skies and intense sun exposure, making it essential for residents and visitors alike to stay informed about daily UV levels to enjoy the sun safely. Whether you're lounging on the beach or exploring the local scenery, knowing how to protect yourself from the sun's rays can make all the difference.
The UV Index today peaked dramatically in the late morning, starting from a low of 1 at 07:00 and climbing to an impressive 11 by 12:00. This intense exposure reached its zenith at 11:00, where precautions were essential as the Index hit 10. As the afternoon progressed, the UV levels began to gradually decline, dropping to 4 by 15:00 and further down to a modest 2 by 16:00. By the evening, the sun had softened, bringing the UV Index back to 1 at 17:00, and ultimately fading to 0 by 18:00, when the day's light had nearly vanished. Make sure to stay protected during peak hours to enjoy the sunshine safely!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 experiences significant seasonal variation, with some months posing a higher risk for sun exposure. From January to March, the UV Index remains at a striking 15, classified as extreme, indicating a burn time of just 10 minutes. April sees a slight decrease to 13, but still retains an extreme risk level. The index dips to 11 in May, then further reduces to 9 in June and 10 in July, categorizing these months as very high risk, with a burn time of 15 minutes. As summer closes out, August jumps back to an extreme index of 11, while September and October fluctuate between 13 and 14, both remaining in the extreme category with a burn time of 10 minutes. November returns to 15, and December settles at 14, both of which also represent extreme levels of UV exposure. Visitors and residents should be particularly cautious from January to March and again in November, ensuring to take preventive measures against sunburn, such as wearing protective clothing, using high-SPF sunscreen, and seeking shade 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 |
| Arena Baja | 15 | 15 | 15 | 13 | 11 | 9 | 10 | 11 | 13 | 14 | 15 | 14 |
| 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 |