Last updated: June 2, 2025
In Sembalunlawang, Indonesia, being aware of the UV Index is essential for protecting your skin and maintaining overall health. Understanding the daily UV levels helps locals and visitors alike prevent sunburn and long-term skin damage, especially during peak hours when values soar to a maximum of 11 around noon. With Sembalunlawang's warm Aw climate, which typically features intense sunlight, it's crucial to stay informed about UV exposure risks. By keeping an eye on the UV Index, you empower yourself to enjoy the beautiful outdoors while safeguarding your skin from harmful rays.
The UV Index today reveals a dynamic pattern of sun exposure throughout the day. Starting at a gentle 1 at 07:00, it quickly ramps up as the sun rises higher, reaching a significant 4 by 09:00. The UV intensity peaks at a striking 11 around 12:00, signaling a critical risk for unprotected skin. As the afternoon progresses, the index gradually declines, settling at 2 by 16:00. By the evening, the risk diminishes to 0 by 18:00, making it a perfect time for an evening stroll. Stay protected during the peak hours! Remember to apply sunscreen and wear protective clothing to enjoy the sun safely.
| 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 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 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 |
Throughout the year, the UV Index remains alarmingly high, consistently categorized as extreme from January to December. January through April exhibit some of the most intense UV levels, peaking at 16 in both February and March, which indicates a burn time of only 10 minutes. Even during May to August, with slightly lower indices ranging from 11 to 13, the risk remains significant due to the persistent exposure category. As the year progresses into September and October, the UV Index returns to 15, signaling continued high risk, before tapering off in November and December at the same level. Given this data, it is crucial for visitors and residents to prioritize sun safety. Always wear sunscreen, protective clothing, and limit sun exposure, especially during the high-risk months of winter and spring when the UV levels are at their peak. Staying vigilant is essential to reduce the risk of skin damage throughout the year.
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 |
| Sembalunlawang | 15 | 16 | 16 | 15 | 13 | 11 | 12 | 13 | 15 | 15 | 15 | 15 |