Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tengah Satu, Indonesia, where the tropical climate often brings high levels of ultraviolet radiation. Being aware of UV levels not only helps prevent sunburn but also plays a vital role in promoting long-term skin health. With UV index readings reaching a striking maximum of 12 around midday, it's essential to stay informed and protect your skin during peak exposure times. As a location with a distinctive Aw climate, Tengah Satu offers beautiful sunshine, but it also comes with significant UV exposure risks that demand attention for safe outdoor activities.
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 |
The UV Index exhibits significant fluctuations throughout the year, with the highest values recorded from January to April (ranging from 15 to 16) and again in September to November, indicating an extreme exposure category with very short burn times of just 10 minutes. June presents a slight decline to a very high category of 10, followed by a rise to 12 in July and 13 in August, emphasizing the importance of protective measures during these months as well. Visitors and residents should be particularly vigilant during the high-risk months of January through April and from September to December, ensuring they apply sunscreen, wear protective clothing, and seek shade when necessary to prevent 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 |
Tengah Satu | 15 | 16 | 16 | 15 | 13 | 10 | 12 | 13 | 15 | 15 | 15 | 15 |