Last updated: June 2, 2025
In Casian, Philippines, understanding the UV Index is crucial for safeguarding your skin and overall health. With peak UV levels soaring as high as 14 during midday, being aware of these fluctuations helps in preventing sunburn and long-term skin damage. Given Casian's tropical climate, residents and visitors face heightened exposure risks that can quickly lead to adverse effects. By monitoring the UV Index regularly, you can take proactive measures to enjoy the sun while protecting your skin, ensuring your outdoor activities remain both fun and safe!
The UV Index throughout the day paints a compelling picture of the sun's intensity. Starting from a gentle 1 at 7:00 AM, the index gradually escalates, reaching a vibrant 4 by 8:00 AM. As the sun climbs higher, it peaks dramatically at 14 between 12:00 PM and 1:00 PM, signaling some of the day's most intense sun exposure. Following this zenith, the numbers gracefully descend, reflecting a steady decline with a mild 3 by 4:00 PM and dropping to a safe 1 by 5:00 PM. Finally, the evening wraps up with a soothing 0 by 7:00 PM, providing a gentle end to a sun-drenched day. This data highlights the importance of sun protection, especially during the midday hours when UV exposure can be at its highest!
| 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 | 14 | 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 |
Throughout the year, the UV Index remains notably high, with several months classified under the extreme exposure category. From January to March, the UV Index reaches its peak at 15, particularly in March and April, emphasizing the importance of minimizing sun exposure during these months. May and June witness a slight decline, yet the index remains at 14, signifying that caution is still necessary. Notably, the summer months of July and August retain an index of 14 to 15, continuing the trend of high UV levels, which persists into September. As October approaches, there’s a marginal decrease to 14, before dropping to 12 in November and 11 in December. Visitors and residents alike should take proactive measures to protect themselves from UV radiation, especially during the high-risk months of March through September, ensuring the application of sunscreen, wearing protective clothing, and seeking shade whenever possible.
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 |
| Casian | 12 | 14 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 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 |