Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in San Juan, Philippines, where the tropical climate brings intense sunlight, especially during midday hours. With UV levels often soaring to a maximum of 14 between 11:00 AM and 12:00 PM, it's vital to be aware of the risks associated with sun exposure, including sunburn and long-term skin health issues. By staying informed about local UV levels, you can take proactive measures to protect your skin and enjoy the beautiful sunny days that San Juan has to offer while minimizing the dangers of overexposure.
The UV Index reveals a dramatic rise in sunlight intensity throughout the morning, peaking at an impressive 14 between 11:00 AM and 12:00 PM. This indicates a time when sun protection is vital, especially as it climbs swiftly from 2 at 07:00 AM to reach 8 by 09:00 AM, illustrating the day’s rapid increase in UV exposure. As the afternoon progresses, the index starts to decline, dropping to 5 at 3:00 PM before diminishing further to 1 by 5:00 PM and finally reaching 0 after 6:00 PM. Thus, the midday hours present the highest risk, calling for caution and proper sun safety measures!
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 | 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 extreme levels throughout the year, with a notable peak in March and April when it reaches a maximum of 16. High-risk months for UV exposure are from February to October, consistently maintaining an index of 12 or above, indicating a burn time of just 10 minutes. Residents and visitors are strongly advised to take protective measures, including wearing sunscreen, protective clothing, and seeking shade, especially during these high-risk months to minimize the risk of skin damage. Awareness of the UV Index is essential for enjoying outdoor activities safely all 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 |
San Juan | 13 | 14 | 16 | 16 | 14 | 13 | 14 | 15 | 15 | 14 | 12 | 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 |