Last updated: June 2, 2025
Understanding the UV Index in San Sebastian, Philippines is crucial for protecting your skin and overall health. With the region’s tropical climate, residents and visitors alike face varying levels of ultraviolet radiation throughout the day, peaking at an intense 14 around noon. Awareness of UV levels helps prevent sunburn and long-term skin damage, making it essential to plan outdoor activities accordingly. Given the high UV exposure risks, especially between 10 AM and 2 PM, staying informed can significantly enhance your sun safety practices while enjoying the beautiful sunshine in this vibrant coastal town.
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 |
| San Sebastian | 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 |