Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of Balokan, Indonesia, where the tropical climate can lead to elevated sun exposure. With UV levels peaking at 12 around midday, awareness of these levels is critical for preventing sunburn and protecting skin health. By recognizing the UV Index, you can better plan your outdoor activities and take necessary precautions, especially during the hottest hours. In Balokan's typical climate, where prolonged sun exposure is common, knowing how to manage UV risks can help keep your skin safe and healthy.
As the day begins, the UV Index starts at a mild 2 at 7:00 AM, but it quickly escalates as the sun rises. By 10:00 AM, it peaks at a striking 10, indicating a high risk of harm from unprotected sun exposure. The intensity continues to dominate until 12:00 PM, when it slightly dips to 11 but remains a major concern. As afternoon approaches, the UV Index gradually descends from 9 at 1:00 PM to 6 by 2:00 PM, before more noticeable declines occur, settling at 3 by 3:00 PM. The evening brings a steady reduction, with readings plummeting to 1 by 4:00 PM and 5:00 PM, and finally dropping to zero after 6:00 PM. It's a vivid reminder that during peak hours, taking precautions against sun exposure is essential for skin health!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | 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 notably high, with several months categorized as extreme exposure risk. From January to April, the UV Index consistently peaks at 15, with a dangerously short burn time of just 10 minutes. Even as the index drops to 12 in May and July, it still poses a significant risk. June marks a slight decrease to 10 (very high), but as summer progresses into August, the index climbs back to 14. The trend continues into September and October, where the index reaches a staggering 16, with a critical 10-minute burn time. Visitors and residents alike should take precautions from January through October, particularly during these high-risk months, by wearing protective clothing, sunscreen, and seeking shade during peak hours to minimize potential sun 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 |
| Balokan | 15 | 15 | 15 | 14 | 12 | 10 | 12 | 14 | 15 | 16 | 15 | 15 |