Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Wangunjaya, Indonesia, where the tropical climate brings intense sun exposure. Being aware of UV levels can make all the difference in preventing sunburn and safeguarding skin health, especially during the peak hours when the index soars to 12 between 11:00 AM and 1:00 PM. With a daily pattern showing fluctuating but often high UV readings, it's essential for the community to stay informed about these risks to enjoy outdoor activities safely. Whether you’re planning a day at the beach or just a stroll in the sun, understanding the UV Index can help you protect yourself from harmful effects while embracing the beauty of Wangunjaya’s stunning landscapes.
The UV Index throughout the day exhibits a dramatic rise as the sun reaches its apex. Starting at a minimal 1 at 07:00, the index climbs gradually, hitting 3 by 08:00. The real heat arrives at 09:00, when it surges to 6, peaking at a striking 12 from 11:00 to 12:00—an indication to seek shade and protect your skin. As the afternoon progresses, the index begins to descend, dropping to 10 at 13:00, then gradually decreasing to 4 by 15:00. By late afternoon, the UV intensity diminishes, with values falling to 2 at 16:00, and becoming negligible, hitting 1 by 17:00 before fading into the night with a 0 at 18:00 and beyond. Stay informed and shield yourself from those midday rays!
| 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 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 remains high throughout the year, consistently ranking as extreme across all months. Notably, the high-risk months are from January to April, where the UV Index peaks at 16. While the index slightly decreases from May to July, it remains significant, with values no lower than 11. As summer transitions into fall, the UV levels remain concerning, particularly in August and September. Residents and visitors are strongly advised to take precautions against UV exposure, such as using sunscreen, wearing protective clothing, and seeking shade, especially during these high-risk months, as the burn time averages only 10 minutes year-round. Stay safe and protect your skin!
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 |
| Wangunjaya | 15 | 16 | 16 | 15 | 13 | 11 | 11 | 13 | 14 | 15 | 15 | 14 |