Last updated: May 3, 2025
In San Ignacio, Philippines, being aware of the UV Index is crucial for ensuring your skin health and preventing painful sunburns. With a tropical climate that often sees high UV levels, understanding the daily fluctuations in UV exposure can help you enjoy the sun safely. Typically, UV readings peak dramatically, particularly between 10:00 AM and 12:00 PM, reaching a staggering 15—a level indicating a very high risk of harm from unprotected sun exposure. By keeping tabs on these levels, residents and visitors alike can take proactive steps to protect their skin while enjoying the vibrant outdoor life that San Ignacio has to offer.
The UV index for the day showcases a dramatic rise as the sun ascends, peaking at a maximum of 15 between 11:00 and 12:00. Early risers will find a mild index of 2 at 07:00, but by 09:00, it escalates to 9, urging caution for those venturing outdoors. The midday hours reveal the highest activity on the UV scale, recording 13 at 10:00 and reaching its zenith with 15 at 11:00. As the afternoon progresses, the index begins to wane, dipping to 12 by 13:00, and dropping to 4 by 15:00. Later, the evening brings relief, with values of 2 at 16:00, followed by a gentle descent to 1 at 17:00 and ultimately falling to 0 by 19:00, signaling a complete end to UV exposure for the day. It's a reminder to enjoy the sun safely, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 9 | very high | 15 min |
| 10:00 | 13 | extreme | 10 min |
| 11:00 | 15 | extreme | 10 min |
| 12:00 | 15 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 4 | 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 demonstrates significant seasonal changes, remaining predominantly in the extreme exposure category throughout the year. Notably, the highest UV levels are recorded from February to April, peaking at 16, indicating a critical window for sun exposure. While the UV Index gradually decreases in the latter half of the year, it remains elevated, particularly in the summer months of July and August with values of 14 and 15 respectively. Visitors and residents should exercise caution during these high-risk months, especially between February and April, as a burn time of just 10 minutes can lead to severe skin damage. It is advisable to use adequate sun protection such as sunscreen, hats, and sunglasses when engaging in outdoor activities during these periods.
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 |
| 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 |
| San Ignacio | 14 | 15 | 16 | 16 | 15 | 14 | 14 | 15 | 15 | 15 | 13 | 12 |