Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of San Antonio, Philippines, where the sun shines brightly nearly all year round. With peak UV levels soaring to a striking 13 during midday, being aware of these levels is key to preventing sunburn and protecting your skin health. The tropical climate of San Antonio means that UV exposure risks are particularly high, making it essential for individuals and families to stay informed. By monitoring the UV Index, you can take proactive steps to safeguard yourself from harmful rays and enjoy the outdoors safely!
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 Antonio | 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 |