Last updated: June 2, 2025
Understanding the UV Index in Sumbermanjing Wetan, Indonesia is crucial for safeguarding your health under the tropical sun. With peak UV levels often reaching intense heights—like a maximum of 10 around noon—being aware of these indices can help you prevent sunburn and protect your skin from long-term damage. Given the region's Aw climate, characterized by warm and sunny weather, the risk of overexposure is significant, making it essential for residents and visitors alike to stay informed about daily UV fluctuations. By keeping an eye on the UV Index, you can enjoy the beauty of Sumbermanjing Wetan while prioritizing your skin's health.
As the sun rises, the UV Index starts off gently at 1 at 07:00, indicating minimal risk. However, as the day unfolds, it quickly climbs to 4 by 08:00 and reaches 6 by 09:00, signaling increasing sun intensity. The heat peaks at 11:00 and 12:00 with a maximum UV Index of 10, marking a high risk for harm from unprotected sun exposure. Fortunately, the intensity begins to wane in the afternoon, dropping to 8 at 13:00, then decreasing further to 5 at 14:00. By 15:00, it falls to 3, before tapering off to 1 by 16:00, and finally, the UV Index settles at 0 after 18:00, marking the end of a sun-filled day. Remember to protect your skin during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 5 | moderate | 30 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 |
The UV Index readings throughout the year indicate consistently high to extreme levels of ultraviolet radiation, particularly during the winter months from January to March and again from September to November. Visitors and residents should be especially cautious during these high-risk periods, as the burn time is minimal at just 10 minutes in many months. April to August sees a slight reduction in UV intensity, but the burn time remains critical, especially in June and July with 15 minutes. Therefore, it is crucial for everyone to adhere to protective measures such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize 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 |
| Sumbermanjing Wetan | 15 | 15 | 15 | 14 | 12 | 10 | 11 | 14 | 15 | 15 | 15 | 15 |