Last updated: May 3, 2025
Understanding the UV Index is essential for residents of Calbayog City, Philippines, where the sun's rays can be particularly intense due to its tropical climate. Being aware of UV levels helps prevent sunburn and protects skin health, especially during peak hours when the index reaches a maximum of 14 around noon. By recognizing these risks, locals and visitors alike can take appropriate precautions to enjoy outdoor activities safely. Remember, UV exposure is highest between 10:00 AM and 2:00 PM, making it crucial to stay informed and shield your skin from potential harm while soaking up the beautiful scenery of Calbayog!
The UV Index peaks dramatically during the midday hours, illustrating the sun's intensity in compelling detail. Starting at a modest 2 by 07:00, it swiftly ascends as the day unfolds. By 08:00, it jumps to 5, and then reaches a significant 8 at 09:00. The sun is at its fiercest between 10:00 and 12:00, with the index soaring to 14, an indication to take extra precautions! As 13:00 rolls around, the UV level dips slightly to 12, only to further decrease to 9 by 14:00. Post-midday, the sun's strength wanes; it dramatically drops to 5 by 15:00 and decreases to 1 by 17:00, finally settling at 0 by 19:00. Such data highlights the importance of sun protection during the peak hours when the UV intensity is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 12 | extreme | 10 min |
| 11:00 | 14 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal changes, remaining consistently high throughout the year with extreme levels every month. January through April show the highest indices, peaking at 16 in April, while May to August maintain a steady 14. With the UV Index exceeding 13, the high-risk months for sun exposure are February through September. Visitors and residents should take precautionary measures, including wearing protective clothing, applying sunscreen with a high SPF, and seeking shade during peak hours to minimize the risk of sunburn, which can occur in just 10 minutes of exposure. Remember, UV safety is essential year-round, given the extreme exposure category.
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 |
| Calbayog City | 12 | 13 | 15 | 16 | 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 |