Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Calbiga, Philippines, where the tropical climate can lead to significant sun exposure year-round. With UV levels peaking between 11:00 AM and 1:00 PM, reaching up to an alarming 14, it’s essential to stay informed to prevent sunburn and protect your skin health. High UV radiation can cause immediate and long-term skin damage, making awareness not just a health tip but a necessity. As a sun-soaked region, Calbiga presents unique challenges regarding UV exposure, so knowing when to seek shade or apply sunscreen can ensure you enjoy the sun safely.
As the day unfolds, the UV Index begins a steady climb, starting from a manageable 2 at 07:00. By 08:00, it jumps to 5, indicating a moderate risk of harm from unprotected sun exposure. The real intensity hits between 10:00 and 12:00, peaking at a staggering 14 at noon, urging caution as this signifies a high risk for skin damage without protection. While the intensity gradually decreases after this peak, it remains notable at 12 by 13:00. The afternoon sees a substantial drop, with readings of 8 at 14:00 before plummeting to 2 by 16:00. As evening approaches, the UV Index dwindles further, with values reaching a comfortable 0 by 19:00, signaling that the sun's hazardous rays have finally retreated for the day.
| 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 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 8 | 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 |
Throughout the year, UV Index values in this area remain consistently high, indicating an extreme exposure category that necessitates caution. January through April display the most intense UV levels, peaking at 16 in both March and April, which along with February, marks the highest-risk months. However, even during the summer months from May to July, the UV Index maintains dangerously elevated levels around 14-16, requiring vigilant sun protection. Returning to the fall and winter months, while values slightly decline to 12 in November and 11 in December, the risk remains significant. Therefore, it is crucial for visitors and residents alike to prioritize sun safety by using adequate sunscreen, wearing protective clothing, and seeking shade, particularly during midday hours when the sun’s intensity is at its peak, regardless of the month.
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 |
| Calbiga | 12 | 13 | 16 | 16 | 14 | 14 | 13 | 14 | 14 | 14 | 12 | 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 |