Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Tulin, Peru, where the climate is classified as BWk—dry and typically sunny. With UV levels often rising to a peak of 10 around midday, awareness of sun exposure is vital to prevent sunburn and protect skin health. As you navigate your day in Tulin's bright, high-altitude sunlight, recognizing the fluctuations in UV intensity—especially during peak hours—can play an essential role in safeguarding your well-being and enjoying the outdoors safely.
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 |
Throughout the year, UV Index readings indicate significant variability in exposure levels, particularly highlighting high-risk months. From January to April, the UV Index consistently reaches 16 (extreme), allowing for a burn time of merely 10 minutes. May experiences a slight decrease to an index of 11 (still extreme), shifting burn time to 10 minutes. Entering peak summer, June and July show a reduced index of 9 and 10 respectively (very high), allowing for an increased burn time of 15 minutes. However, as fall approaches, months like August and September again see figures hitting 12 and 14 (extreme), narrowing burn time back to 10 minutes. The year concludes with high readings from October to December (16), underscoring that winter months are not to be underestimated. Visitors and residents are strongly advised to take precautions year-round—especially during high-risk months like January through April, August, and November—by wearing sunscreen, protective clothing, and sunglasses, and seeking shade when necessary to mitigate 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 |
| Tulin | 16 | 16 | 15 | 14 | 11 | 9 | 10 | 12 | 14 | 15 | 16 | 16 |
| Arequipa UVI | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |