Last updated: July 2, 2025
In Tanza, Philippines, staying informed about the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Understanding UV levels is essential for sunburn prevention and maintaining overall skin health, particularly in a tropical climate like Tanza's, where the risk of overexposure is elevated. With peak UV Index values soaring as high as 13 during midday, residents and visitors alike should prioritize sun safety to enjoy outdoor activities while minimizing the risk of skin damage. Embrace the sun responsibly by staying mindful of these levels throughout the day!
The UV Index throughout the day follows a striking pattern, peaking sharply at 11:00 AM and 12:00 PM with a maximum value of 13. As the day begins, the UV levels are quite low, starting at 1 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. As 9:00 AM rolls around, the intensity escalates to 7, and by 10:00 AM, it reaches a strong 10. The intensity of UV radiation continues to soar, urging caution as it peaks at the midday hours. Following the zenith, the UV index gently descends, dropping to 9 at 2:00 PM and tapering downwards to 6 by 3:00 PM, before winding down to a mere 1 by 5:00 PM and 0 by 7:00 PM. This highlights the importance of sun protection during the peak hours, particularly between 11:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tanza | 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 |