Last updated: June 2, 2025
In Semamung, Indonesia, understanding the UV Index is crucial for maintaining skin health and preventing sunburn, especially in its tropical Aw climate, where UV exposure can be intense. With peak UV levels soaring to 10 during midday hours, the risk of skin damage amplifies significantly, making awareness essential for residents and visitors alike. By keeping an eye on the daily UV index, you can take proactive measures to protect yourself and enjoy the beautiful Indonesian sun safely. Whether you're lounging on the beach or exploring the vibrant surroundings, knowing the UV levels can help you make informed decisions about sun protection.
The UV Index starts off low in the early morning hours, with a maximum of 1 at 7:00 AM. As the day progresses, the sun's intensity increases, peaking sharply at 12:00 PM and 1:00 PM with a staggering 10. From this zenith, the UV levels gradually decline, dropping to 7 by 2:00 PM and subsequently falling to 0 by 7:00 PM. The sun's journey clearly highlights the need for sun protection during the midday hours when UV exposure is most intense, making it essential to be vigilant from 10:00 AM to 2:00 PM.
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 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 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 seasonal UV changes reveal consistently high to extreme UV levels throughout the year, with notable peaks from January to April where the UV Index remains between 15 and 16, necessitating only 10 minutes of sun exposure before burning begins. The months of July and August also pose significant risk, with UV indices at 12 and 13 respectively, while June sees a slight decrease to 10, extending burn time to 15 minutes. As we transition into the autumn months, the UV Index remains high at 15 in September and October, only slightly decreasing in November. Thus, it is imperative for both visitors and residents to take precautions during this high-risk period, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak sun hours.
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 |
Semamung | 15 | 16 | 16 | 15 | 13 | 10 | 12 | 13 | 15 | 15 | 14 | 15 |