Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Rappang, Indonesia, where sun exposure can significantly impact skin health. With tropical climates that bring high UV levels, knowing how to read the UV Index can help prevent harmful effects such as sunburn and long-term skin damage. During peak hours, especially around midday, the UV Index often reaches levels as high as 12, signaling a severe risk. By staying informed about these daily fluctuations, you can enjoy the sunshine while keeping your skin safe and healthy.
The UV Index paints a vivid picture of the sun’s intensity throughout the day. Starting low at 07:00 with a mere 1, the index quickly rises, reaching 2 by 08:00. By 09:00, it escalates to 5, signaling stronger rays ahead. The real peak hits at 12:00, where it skyrockets to a blistering 12—a critical warning for sun exposure. This high intensity remains nearly unchanged until 13:00 with 11 before gradually tapering off. By 15:00, it dips to 5, and as the sun begins its descent, the index drops sharply to 1 by 17:00. Finally, the day concludes with no threat at 18:00 and 19:00, showing that the evening brings a welcome respite from the sun’s fierce grip. Stay protected during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | 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 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits notably high levels, remaining in the extreme exposure category from January to April and fluctuating slightly but still at high levels from May to November. The highest UV levels occur from January to April, with an index of 16, marking these months as particularly high-risk for skin damage. Visitors and residents are strongly advised to take precautions during these months, including seeking shade, wearing protective clothing, and applying sunscreen frequently, as burn time is as quick as 10 minutes across all months. Even during the summer and early fall, with UV levels around 12 to 15, vigilance is crucial to prevent harmful UV exposure. Taking proactive measures year-round will ensure safety and reduce the risk of UV-related health issues.
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 |
Rappang | 15 | 16 | 16 | 16 | 14 | 12 | 12 | 14 | 15 | 15 | 14 | 14 |