Last updated: July 2, 2025
Understanding the UV Index is crucial for everyone in Harapan Jaya, Indonesia, where the tropical climate brings heightened exposure to the sun's harmful rays. With UV levels soaring as high as 13 during midday, being aware of these readings is essential for preventing sunburn and protecting your skin health. A solid grasp of UV exposure risks not only helps in making informed choices about outdoor activities but also promotes long-term wellness in this vibrant region. Stay safe and enjoy the beautiful sunshine while keeping an eye on the UV Index to safeguard your skin against its potential dangers.
The UV Index data reveals a dramatic rise in intensity as the day progresses. Starting off at a low 1 at 07:00, the index steadily climbs, reaching a peak of 13 at 12:00. This indicates a high risk of harm from unprotected sun exposure during midday. As the afternoon unfolds, the index begins to taper off, dropping to 5 by 15:00, and falling further to 1 by 17:00. By evening, the UV Index diminishes to 0, signaling a safe period for outdoor activities without the worry of harmful UV rays. Stay protected during those peak hours, especially between 11:00 and 13:00!
| 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 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | 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 |
The UV Index exhibits extreme levels year-round, with particularly high values from February to April, peaking at 16. January through May consistently show a UV Index of 14-16, indicating a high-risk period for sun exposure and resulting in a burn time of just 10 minutes across all months. Although the UV Index slightly declines during the summer, values remain elevated at 13-14 until November. As a result, both visitors and residents should prioritize sun protection throughout the year, especially during these high-risk months. Recommended precautions include wearing sunscreen, protective clothing, and seeking shade when outdoors to minimize the risk of skin 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 |
| Harapan Jaya | 14 | 15 | 16 | 16 | 14 | 13 | 13 | 14 | 14 | 14 | 13 | 12 |