Last updated: May 3, 2025
In Bulihan, Philippines, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With a tropical climate characterized by intense sunlight, residents and visitors alike must be aware of the fluctuating UV levels throughout the day. For instance, during peak hours between 10 AM and 1 PM, you may encounter UV Index values soaring as high as 13, signifying a severe risk of harm from unprotected sun exposure. By checking the UV Index regularly, you can take proactive measures to protect your skin and enjoy all that Bulihan has to offer while minimizing the risks associated with excessive sunlight.
The UV Index throughout the day showcases a dynamic rise and fall, reflecting the sun's intensity. Starting at a mild 2 by 7:00 AM, it gains momentum, reaching a moderate 4 at 8:00 AM. By 9:00 AM, the UV Index peaks to a 7, and then surges to a striking 10 by 10:00 AM. The midday sun is relentless, pushing the index to a maximum of 13 at both 11:00 AM and 12:00 PM. As the afternoon unfolds, there is a gradual decline; it drops to 12 at 1:00 PM, further decreasing to 9 by 2:00 PM. The late afternoon sees the UV Index easing to 5 at 3:00 PM, before trailing off into the evening with a gentle 3 at 4:00 PM. As twilight approaches, the index tapers down to 1 by 5:00 PM and remains at this level until 7:00 PM, finally hitting 0 by 8:00 PM. Stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 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 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The seasonal UV index shows significant variation, with the highest values occurring from January through September, where the UV index consistently peaks at 14 in March, April, August, and September, indicating an extreme exposure category and a burn time of just 10 minutes. Visitors and residents should be particularly cautious during the high-risk months of February through September, where UV exposure is categorized as extreme. Even in November and December, the UV index remains significantly high, classified as very high, with an increased burn time of 15 minutes. It is crucial for everyone to take protective measures such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of 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 |
| Bulihan | 11 | 13 | 14 | 14 | 13 | 13 | 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 |