Last updated: June 2, 2025
In Karangnenggang, Indonesia, understanding the UV Index is crucial for protecting your skin from harmful sun exposure. With the tropical climate classified as Af, residents and visitors alike often face heightened UV levels, particularly during midday when readings soar to a staggering 11. Awareness of these UV levels is essential—not only for preventing painful sunburns but also for maintaining long-term skin health. By keeping a close eye on the UV Index, you can enjoy the beautiful sun-drenched days of Karangnenggang while safeguarding your skin from potential harm.
As the sun rises, the UV Index starts off low at 1 at 7:00 AM, slowly increasing to 3 by 8:00 AM. By 9:00 AM, it reaches 5, suggesting that the rays are becoming more intense. The peak arrives at 12:00 PM, where a high of 11 is recorded, indicating a very high risk of harm from unprotected sun exposure. The afternoon still holds lingering rays, with values descending gradually from 9 at 1:00 PM to 4 by 3:00 PM. As the sun begins to set, the index drops sharply to 2 at 4:00 PM, and ultimately to 0 after 6:00 PM. Remember, during the peak hours, especially between 10:00 AM and 2:00 PM, protecting your skin is essential!
| 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 | 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 UV Index experiences notable seasonal changes, remaining consistently high throughout the year. January to April sees a UV Index ranging from 15 to 16, classified as extreme, indicating a burn time of just 10 minutes. As we move into May and June, the index slightly decreases to 13 and 11, respectively, but still falls within the extreme category. July and August maintain this moderate level, before increasing again to 15 in September and October. Notably, November also returns to a UV Index of 15, tapering off slightly in December with an index of 14. The high-risk months for UV exposure are from January to October, where the potential for sunburn is critically high. Visitors and residents are advised to take precautionary measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and minimizing sun exposure during peak hours to protect against harmful UV radiation.
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 |
| Karangnenggang | 15 | 16 | 16 | 15 | 13 | 11 | 11 | 13 | 15 | 15 | 15 | 14 |