Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Liwan, Philippines, where the sun's rays can be particularly intense due to the tropical climate. With peak UV levels reaching as high as 14 around noon, being aware of these numbers is essential for sunburn prevention and maintaining long-term skin health. The risk of overexposure increases significantly during the mid-morning to early afternoon hours, making it vital for locals and visitors alike to monitor UV levels daily. By recognizing these patterns, you can protect yourself and enjoy the beautiful sun-soaked days in Liwan safely.
The UV Index trend throughout the day reveals a striking peak during midday hours, urging caution for outdoor enthusiasts. Starting modestly at 2 at 07:00, the index rapidly climbs, reaching a significant 14 by 12:00, making this the most critical time for sun exposure. Even as the clock ticks towards the afternoon, the UV levels remain high, peaking at 13 at 11:00 and 12:00, before gradually declining to 5 by 15:00. As the day winds down, the index drops to 3 at 16:00, then tapering off to 1 by the evening hours. For those venturing outside, it's essential to protect your skin between 10:00 AM and 2:00 PM, when the sun's rays are most intense.
| 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 | 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 fluctuations, particularly peaking in the summer months. From January to October, the UV Index remains in the extreme category, with values soaring to 15 in both April and August, indicating high-risk months for sun exposure. Residents and visitors are advised to take extreme precautions, such as limiting sun exposure to 10 minutes during these months, wearing protective clothing, and applying broad-spectrum sunscreen. In contrast, November and December show a slight decrease, with the UV Index dropping to 10 and 9 respectively, transitioning to a very high exposure category, allowing for longer exposure times of 15 minutes but still necessitating caution. Overall, it's crucial for everyone to remain vigilant about sun safety year-round, especially in peak UV months.
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 |
| Liwan | 11 | 12 | 14 | 15 | 14 | 14 | 14 | 15 | 14 | 13 | 10 | 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 |