Last updated: July 2, 2025
In Semamung, Indonesia, being aware of the UV Index is crucial for safeguarding your skin against damage from harmful ultraviolet rays. Understanding UV levels helps you prevent sunburn and promote long-term skin health, especially in this tropical climate where UV exposure can soar to dangerous heights. During the day, the UV Index can reach a maximum of 12 around noon, indicating extreme risk for harm from unprotected sun exposure. With most days characterized by clear conditions, it's essential for residents and visitors alike to stay informed and take necessary precautions to protect themselves from the sun's intensity.
The UV Index throughout the day presented a dynamic shift, beginning at a low 1 by 7:00 AM, gradually escalating to its peak of 12 at noon. The intensity reached 10 at 11:00 AM, warning sun-seekers to take precautions as midday approached. As the afternoon progressed, values began to decline, with the index tapering off to 5 by 3:00 PM and further dropping to 1 by 5:00 PM. Finally, as the sun set, the index fell to a safe 0 by 7:00 PM. For those planning outdoor activities, it was crucial to stay vigilant around midday when UV exposure was at its highest, ensuring a healthy balance between fun in the sun and skin protection.
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 | 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 |