Last updated: May 3, 2025
In San Gregorio, Philippines, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Understanding UV levels is essential not only for preventing painful sunburn but also for maintaining long-term skin health. With a tropical climate characterized by high UV exposure, especially during midday peaks, the UV Index can reach dangerously high levels, sometimes soaring to 13 between noon and 1 PM. By staying informed about local UV conditions, residents and visitors alike can take proactive measures to protect themselves from the sun’s intense rays.
The UV Index for today presents a dynamic range, peaking significantly during the midday hours. Starting at a mild 2 at 07:00, the index climbs steadily to a moderate 4 by 08:00. However, as the sun rises higher, it surges to a striking 11 at 10:00, reaching its zenith with a critical 13 by 11:00 and holding steady until 12:00. As the afternoon sets in, the index begins a descent, tapering off to 12 at 13:00, then dropping to 9 by 14:00. The late afternoon brings further relief, with readings declining to 6 at 15:00, and continuing downwards to 1 by 17:00. As the sun retreats, the index falls to 0 by 19:00, marking a dramatic end to the day's UV exposure. Remember to protect your skin during those peak hours to enjoy the sunshine safely!
| 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 | 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 | 6 | high | 25 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 UV Index displays significant seasonal variation, with the highest values occurring from March to October, where the index remains consistently high at 13 to 15, indicating an extreme exposure category with a burn time of 10 minutes. January to February begins the year with slightly lower but still extreme indices of 11 to 13, while December sees a marginal decrease to 10, classified as very high with a longer burn time of 15 minutes. The worst months for UV exposure are March and April, peaking at 15. To ensure safety, visitors and residents should take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, particularly from late morning to mid-afternoon when the sun's rays are most intense.
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 |
| San Gregorio | 11 | 13 | 15 | 15 | 13 | 14 | 14 | 14 | 14 | 13 | 11 | 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 |