Last updated: June 2, 2025
In Compostela, Philippines, understanding the UV Index is crucial for protecting your skin and overall health under the tropical sun. With peak UV levels regularly reaching as high as 13 around midday, it's essential to be aware of the risks of sunburn and long-term skin damage. The Af climate here means prolonged exposure to sunlight, especially during the intensified hours between 10 AM and 2 PM, where UV radiation is at its strongest. By staying informed about the UV Index, residents and visitors can take appropriate precautions to enjoy the outdoors safely while safeguarding their skin's health.
The UV index throughout the day presents an intriguing journey of exposure, peaking at 13 from 11:00 AM to 12:00 PM—the sun's most intense moment. Starting from a modest 2 at 7:00 AM, the index swiftly escalates, hitting 4 by 8:00 AM and soaring to a substantial 11 at 10:00 AM. Just one hour later, it reaches its zenith, radiating at 13, before gradually descending as the afternoon wanes. By 3:00 PM, it's a more manageable 5, eventually dwindling down to 0 by 7:00 PM, signaling a safe retreat from the sun's rays. This dynamic UV pattern serves as a reminder to stay vigilant under the sun, especially during its peak hours when protective measures are essential.
| 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 | 11 | 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, the UV Index remains consistently high, indicating an extreme exposure category from January to March, when it peaks at 16. As we transition into spring and summer, from April to July, the index slightly decreases but maintains a range of 13 to 16. The high-risk months for UV exposure are March and April, where the index hits its maximum. August to October sees a stable index of 14, ensuring that caution is always necessary. Despite reduced numbers in the latter part of the year, the UV Index remains elevated through to November. Visitors and residents are advised to always take precautions—such as wearing sunscreen and protective clothing—throughout the year, with extra vigilance during the highest months to prevent skin damage.
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 |
| Compostela | 12 | 14 | 16 | 16 | 14 | 13 | 13 | 14 | 14 | 14 | 12 | 11 |
| 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 |