Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Sibulan, Philippines, where the tropical climate can lead to significant sun exposure. With UV levels reaching a peak of 13 during midday hours, being aware of these levels is essential for effective sunburn prevention and maintaining long-term skin health. Given Sibulan's typical conditions, where sunny days are abundant, understanding UV risks empowers individuals to make informed choices about sun safety—whether it's seeking shade, wearing protective clothing, or applying sunscreen. Let's explore the UV Index to help safeguard your skin against potential damage while enjoying the beautiful Philippines!
At dawn, the UV Index begins its climb, starting at a gentle 2 at 07:00. By 08:00, it rises to 4, signaling the start of a sunny day. However, the sun's intensity becomes more pronounced as the clock strikes 09:00, with the index hitting 8. The peak occurs between 10:00 and 12:00, where it surges to a blistering 13, urging sun-seekers to take precautions. As the afternoon progresses, the index gradually lowers to 9 at 14:00, and further descends to 5 by 15:00. By 16:00, it drops significantly to 2, and rolls down to 1 by 17:00. Finally, as twilight approaches, the UV Index hits 0 at 18:00, concluding a day that swung from mild to intense sun exposure—illustrating the importance of sun protection during peak hours.
| 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 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | 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 |
The UV Index shows extreme levels consistently high throughout the year, peaking at 16 in both March and April. The highest readings in the early months signify a particularly high-risk period, suggesting that January through April are crucial months for sun safety. Visitors and residents should be aware that the burn time remains a brief 10 minutes, meaning protective measures such as sunscreen, clothing, and shade are essential regardless of the month. The UV levels remain high in late summer through fall, with a gradual decline in November and December. Therefore, it’s important to practice sun safety year-round, especially during these high-risk months to minimize harmful UV exposure.
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 |
| Sibulan | 13 | 14 | 16 | 16 | 14 | 14 | 14 | 15 | 15 | 14 | 12 | 11 |
| Davao UVI | 13 | 15 | 16 | 15 | 15 | 13 | 14 | 14 | 15 | 14 | 13 | 11 |