Last updated: July 2, 2025
In Upper San Mateo, Philippines, staying informed about the UV Index is vital for protecting your skin against harmful ultraviolet radiation. Understanding UV levels is essential not only for preventing painful sunburns but also for safeguarding long-term skin health. With a tropical climate known for its warm temperatures and intense sun exposure, residents must be aware of the peaks in UV Index, particularly between 10 AM and 2 PM, when levels can soar to a critical 14. By monitoring these daily fluctuations, you can take proactive measures to enjoy the outdoors safely while minimizing your risk of skin damage.
The UV Index throughout the day reveals a clear pattern of intensity peaking around midday. Starting at a modest 2 at 7:00 AM, the index rises steadily, reaching a notable 11 by 10:00 AM. The highest reading, 14, occurs at 12:00 PM, indicating a significant risk for sun exposure. The intensity begins to decline post-lunch, dropping to 9 by 2:00 PM, and continues to decrease, falling to 5 at 3:00 PM. By evening, the UV Index plummets to 1 at 5:00 PM and settles at 0 by 6:00 PM. This pattern emphasizes the importance of sun protection during the midday hours when UV levels are at their peak.
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 | 14 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | 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 experiences minimal fluctuation throughout the year, remaining in the extreme exposure category with values consistently ranging between 11 and 16. The months of February and March peak with a UV Index of 15 and 16, respectively, indicating high-risk periods for sunburn, with a burn time of just 10 minutes across all months. Visitors and residents should be particularly cautious during these high UV months and adopt protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours. It's crucial to remain vigilant even in slightly lower UV Index months like December and November, as the risk of skin damage remains significant year-round.
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 |
Upper San Mateo | 13 | 15 | 16 | 16 | 14 | 13 | 14 | 14 | 15 | 14 | 13 | 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 |