Last updated: June 2, 2025
Understanding the UV Index in Subtanjalla, Peru is crucial for maintaining your skin health and preventing sunburns, especially given the region's arid climate characterized by its BWk classification. The UV levels can soar throughout the day, peaking at a significant 10 around noon, which makes awareness even more essential. By familiarizing yourself with these values, you can take the necessary precautions to protect yourself against the harmful effects of sun exposure. In Subtanjalla, where sunlight is abundant, being informed about UV risks can help you enjoy the outdoors safely while avoiding skin damage.
The UV Index throughout the day presents a compelling narrative of sun exposure, peaking at a staggering 10 at 12:00 PM, indicating a need for caution. As the sun rises, the UV Index gradually climbs from 1 at 7:00 AM to a notable 4 by 9:00 AM. The ascent continues, reaching 9 by 11:00 AM, before hitting its maximum at noon. However, as the afternoon progresses, the intensity wanes, with readings dropping to 7 by 2:00 PM and eventually falling to 1 by 5:00 PM. As twilight approaches, the Index dips to 0 after 6:00 PM, promising safe evening conditions. Engaging with the sun requires awareness; ensure you're protected during those peak hours!
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | 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 exhibits significant seasonal variation, with extremely high levels persisting throughout the year. From January to March, the UV Index remains at 16, indicating an extreme risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. In April and May, while the Index decreases slightly to 14 and 12, respectively, the risk remains within the extreme category, still demanding vigilance. The summer months see a marginal drop in June to 10 (very high) before rising back to high levels in July and August. September returns to an Index of 14, and the levels peak again in November at 17. Given this data, it is crucial for visitors and residents to take appropriate sun safety measures, especially during these high-risk months. Always wear sunscreen, protective clothing, and seek shade whenever possible, particularly during midday hours, to minimize risk of harmful 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 |
| Subtanjalla | 16 | 16 | 16 | 14 | 12 | 10 | 11 | 12 | 14 | 16 | 17 | 16 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |