Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Belang, Indonesia, where the tropical climate can lead to significant sun exposure. With UV levels peaking at an alarming 11 during midday, being aware of these indices can play a vital role in preventing sunburn and protecting skin health. Monitoring UV levels not only helps you enjoy outdoor activities safely but also aids in reducing long-term skin damage. In Belang, where sunny days are the norm, understanding these risks is essential for maintaining a vibrant and healthy lifestyle under the sun.
At dawn, the UV Index starts at a low 1 at 7:00 AM, making it safe for outdoor activities. As the sun climbs higher, the intensity increases dramatically, peaking at 12:00 PM with a maximum UV Index of 11, indicating a need for protective measures. The afternoon sees a gradual decline; the index drops to 9 by 1:00 PM and continues downward to a more manageable 3 by 3:00 PM. As the day wanes, the UV Index dwindles to a low 1 by 4:00 PM and finally dips to 0 after 6:00 PM. This data highlights an important reminder: plan outdoor activities during the mid-morning to early afternoon while taking precautions when the UV Index is high.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | 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, the UV Index remains consistently high, categorized as extreme, with minimal fluctuation in burn time—averaging just 10 minutes of unprotected sun exposure before sunburn occurs. The high-risk months for UV exposure span from January to March, where the index reaches a peak of 16, and persists notably throughout the year, especially in September and November with values of 15. Residents and visitors are strongly advised to take necessary precautions during these months, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible, as even short periods of exposure can lead to serious 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 |
Belang | 15 | 16 | 16 | 14 | 12 | 11 | 12 | 13 | 15 | 15 | 15 | 14 |