Last updated: July 2, 2025
In Matangai, Indonesia, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is vital not only for preventing painful sunburns but also for reducing the long-term risk of skin damage and related health issues. With a tropical Af climate, Matangai experiences significant sunlight throughout the year, posing unique UV exposure risks during peak hours. Typically, the UV Index rises rapidly from mid-morning to midday, reaching dangerous levels—like 12 at noon—making it essential for residents and visitors alike to stay informed and take protective measures.
The UV Index shows a dynamic pattern throughout the day, starting at a gentle 2 at 7:00 AM and gradually rising to a peak of 12 by 12:00 PM. This indicates a high risk of harm from unprotected sun exposure, especially during the midday hours when the sun is strongest. As the afternoon progresses, the index begins to decline, dropping to 6 by 2:00 PM and then further to 3 by 3:00 PM. By 4:00 PM, it decreases to a minimal level of 1, eventually settling at 0 by 6:00 PM and beyond. For those planning outdoor activities, it's crucial to protect your skin during those peak UV hours from 10:00 AM to 1:00 PM!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 9 | 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, indicating an extreme exposure category for most months. From January to April, the UV Index peaks at 15 or 16, with a burn time of only 10 minutes, making these the highest risk months for sunburn. While May shows a slight decrease to 14, June through August maintain an Index of 12 to 13, still classifying them as extreme. In September, the Index increases back to 14, continuing the trend of high risk that ends with October through December, which hover around 14 to 15. For both residents and visitors, it is crucial to take appropriate sun protection measures, including wearing sunscreen, protective clothing, and seeking shade, particularly during peak hours, as even brief exposure can result in significant 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 |
Matangai | 15 | 15 | 16 | 15 | 14 | 12 | 12 | 13 | 14 | 15 | 14 | 14 |