Last updated: May 3, 2025
In Lebao, Indonesia, understanding the UV Index is essential for protecting your skin and overall health. With peak UV levels reaching as high as 12 around midday, awareness of these fluctuations can help prevent sunburn and long-term skin damage. Given the region's tropical Aw climate, residents and visitors alike face heightened UV exposure risks, especially during the sun's strongest hours. By keeping an eye on the UV Index, you can enjoy the beautiful Indonesian sun while safeguarding your skin.
As the sun rises, the UV Index begins at a low 1 at 07:00, gradually climbing to a moderate 3 by 08:00. The intensity peaks sharply at 10:00, reaching a maximum of 12 at 11:00 and 12:00, indicating a time when sun exposure can be especially harmful without protection. As the afternoon follows, UV levels drop to 10 at 13:00, then steadily decline to 7 at 14:00 and taper off to 4 by 15:00. In the late afternoon and evening, the index continues to diminish, falling to 2 at 16:00, and finally to 1 by 17:00, before resting at 0 from 18:00 onward. This hourly data highlights the importance of seeking shade and wearing sunscreen during the peak UV hours of the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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, the UV Index remains consistently high, categorized as extreme, with minimal fluctuation in burn time—averaging just 10 minutes of unprotected sun exposure before sunburn occurs. The high-risk months for UV exposure span from January to March, where the index reaches a peak of 16, and persists notably throughout the year, especially in September and November with values of 15. Residents and visitors are strongly advised to take necessary precautions during these months, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible, as even short periods of exposure can lead to serious skin damage.
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 |
| Lebao | 15 | 16 | 16 | 14 | 12 | 11 | 12 | 13 | 15 | 15 | 15 | 14 |