Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Parmonangan, Indonesia, where the tropical climate can lead to high levels of ultraviolet radiation. Awareness of UV levels is vital in preventing sunburn and protecting skin health, especially during peak hours when the index can soar to 13—a level that poses a significant risk. With daily exposure peaking around midday, it's important to take precautions to safeguard yourself and your loved ones from the harmful effects of the sun. By staying informed about the UV Index, you can enjoy the sunny days of Parmonangan while minimizing the risks associated with overexposure to UV rays.
The UV Index reveals a dynamic pattern throughout the day, starting off modestly at 1 by 07:00, then steadily climbing as the sun rises. By 09:00, it reaches 4, marking the beginning of the peak solar intensity. The intensity escalates rapidly, peaking at a striking 13 between 12:00 and 13:00, indicating that sun protection becomes essential during these hours. As afternoon transitions to evening, the UV Index begins to decline, dipping to 7 by 15:00 and falling to 1 by 17:00. Finally, it dwindles to 0 by 19:00, showcasing a dramatic drop in solar exposure as the day ends. Plan your sun protection wisely to enjoy the day's brightness safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index values indicate an extreme risk of harm from unprotected sun exposure, particularly between January and October. The highest UV Index is recorded in March and April at 16, signaling these months as critical periods for potential sunburn, with a burn time of merely 10 minutes. While May to August maintains a consistent UV Index around 13 to 15, caution is still essential as these months also pose high risk. As the year progresses, September to November experiences slightly reduced levels, yet the UV Index remains at extreme levels around 14 to 15, reinforcing the need for protective measures. Residents and visitors are strongly advised to use sunscreen, wear protective clothing, and seek shade during peak sunlight hours to minimize 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 |
| Parmonangan | 14 | 15 | 16 | 16 | 15 | 13 | 13 | 14 | 15 | 15 | 14 | 13 |