Last updated: June 2, 2025
Understanding the UV Index in San Luis, Philippines is crucial for ensuring your skin health and preventing sunburn, especially in this tropical climate known for its intense sunlight. With UV levels peaking around noon, often reaching as high as 14, awareness of these levels can help residents and visitors alike safeguard their skin from harmful exposure. By monitoring the UV Index, you can take proactive measures—like seeking shade or applying sunscreen—during the hottest hours of the day, mitigating risks associated with excessive sun exposure. Stay informed and protect your skin while enjoying the beautiful rays in San Luis!
The UV Index showcases a dramatic rise and fall throughout the day, offering insights into sun exposure. Starting at 7:00 AM with a mild index of 2, the sun's strength quickly escalates, peaking at 14 between 12:00 PM and 1:00 PM—the prime time for those seeking a tan or outdoor activity. At 10:00 AM, a noteworthy peak of 11 demands caution for sun-sensitive individuals. As afternoon approaches, the index decreases significantly, slipping to 5 at 3:00 PM, then further dropping to a mere 1 by 5:00 PM and fading to 0 after 6:00 PM. This data highlights the critical hours for protection against UV exposure, especially from 10 AM to 2 PM, where the sun is at its most intense.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | 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, there are significant fluctuations in UV Index levels, with particularly high-risk months occurring from January to September. During this period, the UV Index remains consistently between 12 and 16, classified as extreme exposure levels that allow for a rapid burn time of just 10 minutes. Visitors and residents should take careful precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during peak sunlight hours. As the year progresses into October through December, the UV Index decreases slightly, yet remains at considerable levels (12-14), warranting ongoing sun protection measures. Always prioritize skin safety, regardless of the season.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Caloocan City UVI | 11 | 13 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 13 | 10 | 10 |
| Quezon City UVI | 11 | 13 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 13 | 10 | 10 |
| Manila UVI | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 13 | 10 | 10 |
| Budta UVI | 13 | 15 | 16 | 16 | 14 | 13 | 14 | 14 | 15 | 14 | 13 | 11 |
| Davao UVI | 13 | 15 | 16 | 15 | 15 | 13 | 14 | 14 | 15 | 14 | 13 | 11 |
| San Luis | 13 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 14 | 13 | 12 |