Last updated: August 1, 2025
In the sunny town of Sibigo, Indonesia, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the daily UV levels helps residents and visitors alike prevent sunburn and long-term skin damage. With a tropical climate that brings intense sunlight, especially between 10 AM and 2 PM when the UV Index can reach as high as 12, it's essential to stay informed about these fluctuations. By monitoring the UV Index, you can take appropriate precautions to enjoy the beautiful Indonesian sun safely!
The UV Index data for the day reveals a dramatic rise in sun exposure as the hours progress. Starting at a gentle 1 at 07:00, it swiftly climbs to 2 by 08:00. By 09:00, the index reaches a moderate 4, but it’s from 10:00 onwards that the sun’s strength truly shines, peaking at an intense 12 during the noon hours of 12:00 and 13:00. This memorable midday height signifies the critical time for protection against harmful UV rays. The afternoon sees a slight drop, with values decreasing to 11 at 14:00 and then tapering down to 7 at 15:00. As the sun begins its descent, the UVI returns to safer levels, falling to 4 by 16:00, and dwindling to 1 at 18:00 before settling at 0 by 19:00. As such, it’s crucial to stay vigilant and protect your skin during peak UV hours!
| 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 | 8 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index displays significant seasonal variations throughout the year, with particularly high values during the first half, peaking at 16 in March. High-risk months for sun exposure are January to April, where the UV Index consistently ranges from 14 to 16, indicating an extreme exposure category with a very short burn time of just 10 minutes. Even in May and August, the UV Index remains notably high at 15 and 14, respectively. Visitors and residents should take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade often. From June to November, while the UV Index decreases slightly, it still remains in the extreme category, necessitating continued vigilance. Overall, everyone should remain aware of UV levels year-round and protect themselves accordingly.
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 |
| Sibigo | 14 | 15 | 16 | 15 | 15 | 12 | 12 | 14 | 14 | 15 | 13 | 12 |