Last updated: June 2, 2025
Understanding the UV Index in San Isidro, Philippines is crucial for safeguarding your skin against harmful ultraviolet rays. With the climate categorized as Af, residents and visitors alike experience intense sun exposure—especially during peak hours when UV levels soar to as high as 14. Being aware of the UV Index allows you to take proactive measures to protect yourself from sunburn and long-term skin damage, ensuring your outdoor activities are both safe and enjoyable. Regularly checking UV levels can help you plan your day effectively, minimizing the risks associated with sun exposure in this tropical paradise.
The UV Index throughout the day presents a dynamic pattern of sun exposure. Starting at a mellow 2 at 7:00 AM, the index climbs steadily, reaching a moderate 4 by 8:00 AM. By 9:00 AM, it spikes to 8, signaling the need for sun protection. The peak occurs at 12:00 PM, hitting a scorching 14, making this the critical time for safety measures. The intensity gradually declines after 1:00 PM, as the UV Index dips to 12, followed by a notable drop to 5 by 3:00 PM. As the day winds down, the UV levels settle back to a low 1 by 5:00 PM, finally resting at 0 after sunset at 7:00 PM. Awareness of these fluctuations allows for safer outdoor activities and greater enjoyment of the sun.
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 | 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 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index in this region remains at an extreme level, with a consistent burn time of only 10 minutes across all months. January through March witnesses the highest UV readings, peaking at 15 in both March and April. The high-risk months for sun exposure are from February to September, where the UV Index reaches 13 or above. Despite a slight decrease to 11 in the final months, the risk remains significant. Visitors and residents are strongly advised to take precautions such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, particularly during peak hours to avoid harmful effects from 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 Isidro | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 13 | 11 | 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 |