Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Marilao, Philippines, where the tropical climate brings with it heightened sun exposure risks. With UV levels peaking at a staggering 14 around noon, awareness of these measurements is essential for protecting skin health and preventing painful sunburns. Knowing when UV levels are at their highest helps you plan outdoor activities safely and ensures you can enjoy the sun while minimizing the risk of skin damage. As you navigate this vibrant town, remember that being informed about daily UV Index fluctuations can make all the difference in enjoying Marilao's beautiful weather without compromising your health.
The UV Index for the day showcases a dynamic rise and fall, peaking in the early afternoon. From a gentle 2 at 7:00 AM, the index escalates to 11 by 10:00 AM, reaching its zenith of 14 at 12:00 PM. This is the point to be cautious; between 11:00 AM and 1:00 PM with values of 13 and 12 respectively, the midday sun is at its strongest. As the afternoon progresses, the UV Index declines, dropping to 9 at 2:00 PM, and continuing to diminish to 6 by 3:00 PM. The evening brings a welcome relief, with readings falling to 1 by both 5:00 PM and 6:00 PM, and finally settling at 0 as the day fades into night. Be sure to protect your skin 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 | 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 | 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 January to September, where it consistently ranks as extreme with an index ranging from 11 to 15 and a rapid burn time of only 10 minutes. The months of March and April boast the peak UV Index of 15, indicating the highest risk for sunburn. Following this, the months of November and December show a slight decrease to a very high category with an index of 10 and a longer burn time of 15 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months, particularly from January through September, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of harmful UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marilao | 11 | 13 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 13 | 10 | 10 |
| 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 |
| 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 |