Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Calauag, Philippines, where the tropical climate brings both sun-soaked days and heightened risk of UV exposure. With peak UV Index values reaching as high as 14 during midday, awareness of UV levels is essential to prevent sunburn and protect skin health. By grasping how these levels fluctuate throughout the day—rising significantly from 8 AM to 12 PM—you can take proactive measures to enjoy the sun safely, ensuring that your outdoor activities don’t compromise your well-being. Stay informed and keep your skin safe under the vibrant Calauag sun!
The UV Index throughout the day paints a vivid picture of sun intensity and potential exposure risks. At 7:00 AM, it starts at a mild 2, making it safe for early outdoor activities. However, by 9:00 AM, it ramps up to 8, signaling increased caution. The peak hits at 11:00 AM and 12:00 PM, both soaring to 14, indicating high UV levels that demand protective measures. As the afternoon progresses, the index gradually declines—down to 5 by 3:00 PM and falling to a comfortable 1 by 5:00 PM. Surprisingly, by 7:00 PM, it drops to 0, giving way to safer evening outdoor conditions. Those planning to bask in the sun should be vigilant between 10:00 AM and 2:00 PM, when the sun's rays are at their fiercest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | 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 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels in this region show significant seasonal changes, particularly peaking from March to August with values ranging from 13 to 15, indicating an extreme exposure category and a swift burn time of just 10 minutes. The high-risk months for UV exposure are thus March, April, August, and September, which consistently maintain a high index of 14 or more. Residents and visitors are advised to take precautionary measures during these months, such as wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade whenever possible to minimize the risk of skin damage. In contrast, while December sees a slightly lower UV Index of 10, it still presents a very high risk, underscoring the importance of sun protection even in the winter months.
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 |
| Calauag | 11 | 13 | 15 | 15 | 13 | 14 | 14 | 15 | 14 | 13 | 11 | 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 |