Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Sumbergayam, Indonesia, a region characterized by its warm and tropical Aw climate. With peak UV levels reaching as high as 13 around midday, awareness of sunlight intensity is key to protecting yourself from sunburn and long-term skin damage. Keeping track of these levels not only promotes skin health but also enables you to enjoy outdoor activities safely. Whether you’re exploring local attractions or simply enjoying the sun, understanding the UV Index empowers you to make informed decisions about sun protection and maximizes your time in this beautiful locale.
At dawn, the UV Index starts off low at 2 by 07:00, but as the sun climbs higher, it quickly gains intensity. By 09:00, it peaks at a striking 8, reaching a maximum of 13 at 11:00, indicating a significant risk for sun exposure. The afternoon sees a gradual decline, starting from 12 at noon to 10 by 13:00, before dropping to 6 at 14:00. As the sun begins to set, the index continues to plummet, dipping down to 1 by 16:00 and 17:00, and finally resting at 0 by 18:00 and beyond. It’s a day to enjoy the sun wisely, with the midday hours being the most critical for UV protection!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | 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, UV Index levels remain consistently high, underscoring the need for heightened sun safety awareness. The highest UV indices are recorded in February (16) and October (16), while other months also see extreme levels, ranging from 13 to 15. Notably, every month presents a burn time of just 10 minutes, emphasizing that even brief exposure can lead to skin damage. Residents and visitors are strongly advised to take precautions during these high-risk months, such as wearing sunscreen, protective clothing, and seeking shade, especially when outdoors. Remember, the sun's rays can be harmful even on cloudy days, so maintain vigilance year-round.
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 |
| Sumbergayam | 14 | 16 | 15 | 14 | 13 | 11 | 12 | 14 | 15 | 16 | 15 | 15 |