Last updated: July 2, 2025
Understanding the UV Index in San Mariano, Philippines is crucial for safeguarding your skin and overall health. With the region's tropical climate, characterized by high temperatures and abundant sunshine, awareness of UV levels can help prevent sunburn and reduce the risk of long-term skin damage. The UV Index in San Mariano often reaches peaks of 15 during midday hours, highlighting the significant exposure risks. By staying informed about these levels, residents and visitors can take proactive measures to protect themselves from harmful UV radiation while enjoying the vibrant Filipino outdoors.
The UV Index for the day presents a clear peak in intensity around midday. It starts at a mild 2 at 7:00 AM, gradually escalating to a moderate 4 by 8:00 AM. By 9:00 AM, the index surges to a significant 8, hitting a striking 11 at 10:00 AM. As the sun reaches its zenith, it peaks at an impressive 15 at 12:00 PM. Fortunately, the intensity starts to decline after midday; it drops to 10 by 2:00 PM and further decreases to 6 by 3:00 PM. The UV Index continues its downward trend, falling to 1 by 5:00 PM and lingering there until it finally settles at 0 by 7:00 PM. It's crucial to take appropriate sun protection measures, especially during those peak hours!
| 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 | 14 | extreme | 10 min |
| 12:00 | 15 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | 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 |
During the year, the UV Index experiences significant seasonal changes, with the highest readings occurring from March to October, marking a period of extreme exposure. The high-risk months are particularly concentrated from April to July, where the UV Index peaks at 15. Visitors and residents are strongly advised to take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible, especially during the peak sun hours. While UV levels drop notably in December to a level classified as very high, it’s essential to remain cautious year-round, as even lower indices can still pose health risks. Always stay informed and prioritize skin protection to mitigate the harmful effects of UV radiation.
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 Mariano | 11 | 13 | 14 | 15 | 14 | 14 | 15 | 14 | 14 | 13 | 11 | 9 |
| 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 |