Last updated: July 2, 2025
In the sun-drenched Cempa Pasar, Indonesia, awareness of the UV Index is crucial for safeguarding your skin and overall health. Given the region's tropical climate and high UV exposure, particularly during midday hours, understanding UV levels can enable you to take proactive measures against sunburn and long-term skin damage. With peaks reaching a staggering UV Index of 12 around noon, residents and visitors alike should prioritize sun safety by seeking shade, wearing protective clothing, and applying sunscreen. By staying informed about UV risks, you can enjoy the beautiful sunshine while protecting yourself and loved ones from harmful rays.
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 |
| Cempa Pasar | 15 | 16 | 16 | 16 | 14 | 12 | 12 | 14 | 15 | 15 | 14 | 14 |