Last updated: June 2, 2025
Understanding the UV Index in Halteu, Indonesia is crucial for protecting yourself against the sun’s harmful rays. With a tropical climate characterized by high UV exposure, awareness of the daily UV levels can significantly impact your skin health and help prevent sunburn. During peak hours, notably from 10:00 AM to 2:00 PM, the UV Index can soar as high as 11, indicating extreme risk of harm from unprotected sun exposure. By staying informed about the UV Index, you can take proactive measures to safeguard your well-being and enjoy the beautiful Indonesian sun safely.
As the day unfolds, the UV Index demonstrates a striking rise in intensity. At 07:00, it starts at a modest 1, but quickly escalates, reaching 3 by 08:00. The peak arrives at 12:00, where the index soars to a blazing 11, signaling the need for sun protection. As the afternoon progresses, it begins to decline, dropping to 9 at 13:00 and then tapering off to 6 by 14:00. Gradually, the UV levels fall further to 3 at 15:00, before easing to a safe 1 by 17:00. By the evening, the UV Index diminishes entirely, hitting 0 by 18:00 and remaining at that level through to 19:00. This ebb and flow of UV exposure underscores the importance of vigilance during peak sunlight hours.
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 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 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV index exhibits consistently extreme levels throughout the year, with readings staying between 11 and 16. Notably, the highest UV index months are February (16) and March (15), while the lower end is seen in June and July (11). Visitors and residents should be particularly cautious during January through April and September through November, where the UV index remains high, leading to a burn time of just 10 minutes. It is vital to protect your skin by wearing sunscreen, protective clothing, and seeking shade during peak sun hours, regardless of the month, to mitigate the risks associated with prolonged exposure.
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 |
| Halteu | 14 | 16 | 15 | 14 | 13 | 11 | 11 | 13 | 14 | 15 | 15 | 14 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |