Last updated: July 2, 2025
Understanding the UV Index is essential for the residents and visitors of Sebasang, Indonesia, where the tropical climate leads to significant sun exposure year-round. With peak UV levels reaching a striking 12 around noon, being aware of these fluctuations is crucial for preventing sunburn and maintaining healthy skin. Unprotected exposure can dramatically increase the risk of skin damage, making it vital to check UV levels throughout the day. As Sebasang experiences a predominantly warm and sunny climate, taking proactive measures against harmful ultraviolet radiation not only protects your skin but also enhances your overall well-being. Stay informed and enjoy the sun safely!
The UV Index throughout the day presented a dynamic shift, beginning at a low 1 by 7:00 AM, gradually escalating to its peak of 12 at noon. The intensity reached 10 at 11:00 AM, warning sun-seekers to take precautions as midday approached. As the afternoon progressed, values began to decline, with the index tapering off to 5 by 3:00 PM and further dropping to 1 by 5:00 PM. Finally, as the sun set, the index fell to a safe 0 by 7:00 PM. For those planning outdoor activities, it was crucial to stay vigilant around midday when UV exposure was at its highest, ensuring a healthy balance between fun in the sun and skin protection.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | 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 |
The seasonal UV changes reveal consistently high to extreme UV levels throughout the year, with notable peaks from January to April where the UV Index remains between 15 and 16, necessitating only 10 minutes of sun exposure before burning begins. The months of July and August also pose significant risk, with UV indices at 12 and 13 respectively, while June sees a slight decrease to 10, extending burn time to 15 minutes. As we transition into the autumn months, the UV Index remains high at 15 in September and October, only slightly decreasing in November. Thus, it is imperative for both visitors and residents to take precautions during this high-risk period, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak sun hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Surabaya UVI | 13 | 15 | 14 | 12 | 12 | 10 | 11 | 12 | 14 | 13 | 13 | 13 |
| Bekasi UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Jakarta UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
| Sebasang | 15 | 16 | 16 | 15 | 13 | 10 | 12 | 13 | 15 | 15 | 14 | 15 |