Last updated: July 2, 2025
In Sempe Atas, Indonesia, awareness of the UV Index is crucial for safeguarding your skin and maintaining overall health. Understanding the varying levels of UV radiation throughout the day helps you prevent sunburn and long-term skin damage. With a tropical Aw climate, Sempe Atas experiences intense UV exposure, peaking at 12 by noon, making it vital to stay informed about daily UV levels. Whether you’re working outdoors or enjoying leisure time in the sun, knowing how to protect yourself from harmful rays can lead to a healthier, happier life.
The UV Index displays a dramatic increase as the day progresses, starting at a mild 1 at 7:00 AM and rising steadily through the morning. By 10:00 AM, it reaches 7, signaling the need for sun protection. The index peaks at an intense 12 at noon, indicating very high UV exposure, and remains elevated at 11 until 1:00 PM. As the afternoon rolls in, the index gradually declines, dropping to 5 by 3:00 PM and further decreasing to 3 at 4:00 PM. By 6:00 PM, the UV risk diminishes to 0, reminding us that with the setting sun, the threat of UV radiation fades away. It’s a vital reminder to stay sun safe during those peak hours!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 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 in the region exhibit significant seasonal variations. From January to April, the UV Index remains high, consistently between 15 and 16, indicating an extreme exposure category with a quick burn time of just 10 minutes. This trend continues into the summer months of July and August, where the index reaches similar extreme levels. However, June marks a slight dip to 10, categorizing it as very high but still demanding cautious sun exposure. As fall approaches, the UV Index peaks again in September at 16, before stabilizing in the lower extremes of 15 for the last few months of the year. Given the consistently high risk, especially from January through April and again from July to September, it is crucial for both visitors and residents to take precautions such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours to minimize the risk of UV-related harm.
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 |
| Sempe Atas | 15 | 16 | 16 | 15 | 13 | 10 | 12 | 13 | 16 | 15 | 15 | 15 |