Last updated: June 2, 2025
In the sun-kissed paradise of Biliran, Philippines, understanding the UV Index is crucial for protecting your skin while enjoying the great outdoors. With maximum readings hitting as high as 13 during midday hours, awareness of UV levels can greatly aid in sunburn prevention and long-term skin health. Biliran's tropical climate poses unique challenges, as the intensity of UV radiation can vary significantly throughout the day. By staying informed about UV risks, residents and visitors alike can take proactive measures to safeguard their skin against harmful effects while basking in the beauty of this stunning region.
The UV Index for the day reveals a clear peak in intensity between 10:00 AM and 1:00 PM, where values soar to a striking 13. Early risers will notice a modest 2 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. As the sun climbs higher, 9:00 AM sees a significant jump to 8, followed by an aggressive leap to 11 at 10:00 AM. The zenith is reached at 11:00 AM and 12:00 PM, both recording a 13, prompting caution for those outdoors. After this peak, the intensity starts to wane, dropping to 12 by 1:00 PM and continuing its descent to 5 by 3:00 PM. By 4:00 PM, the index falls to 2, indicating a much safer level for outdoor activities, and by evening, a 0 signifies that UV exposure is no longer a concern from 6:00 PM onward. Make sure to plan your day wisely around these UV fluctuations!
| 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 | 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 |
The UV Index exhibits a consistent pattern of extreme levels throughout the year, with highest values observed in March and April, reaching 16, while the lowest occurs in December at 11. High-risk months for UV exposure are from March to May, where the index peaks, indicating a burn time of just 10 minutes. Residents and visitors are strongly advised to take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of skin damage from prolonged sun exposure. Throughout the year, vigilance is essential, as the UV Index remains high, warranting continuous awareness and protective measures.
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 |
| Biliran | 12 | 13 | 15 | 16 | 14 | 14 | 13 | 14 | 14 | 13 | 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 |