Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Handeng, Indonesia, where high UV levels can pose serious risks to skin health. As the region experiences a tropical climate, the sun's rays can be particularly intense, especially during midday when UV Index levels peak at 12—indicating an extreme risk of harm from unprotected sun exposure. By staying informed about daily UV trends, you can take proactive steps to prevent sunburn and reduce the risk of long-term skin damage. With the right precautions, you can enjoy the outdoors while keeping your skin safe from the powerful Indonesian sun.
The UV Index throughout the day reveals a dynamic sun intensity pattern that peaks at 12 between 11:00 and 12:00, indicating a high risk for unprotected skin. Early risers are greeted with a mild 1 at 07:00, gradually increasing to 3 by 08:00. By 09:00, it surges to 6, suggesting that sun protection is becoming increasingly important. The intensity remains elevated at 9 by 10:00 and holds steady at 12 during the late morning hours. As the afternoon progresses, the UV Index starts to dip, falling to 11 at 13:00 and then declining to 8 by 14:00. Late afternoon sees a significant drop, with values dropping to 4 at 15:00, and tapering off to 2 by 16:00. Finally, the UV Index returns to a safe 1 at 17:00, before falling to 0 as the sun sets, emphasizing the importance of being sun-smart during peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 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 displays a consistently extreme exposure category throughout the year, with values peaking at 16 during February, March, and September. January through April and September also experience high UV levels, making these months particularly risky for sun exposure, as the burn time is just 10 minutes across all months. Residents and visitors should take precautionary measures during these high-risk months including wearing sunscreen, protective clothing, and seeking shade to minimize UV exposure. Even in the slightly lower UV months of May through August, caution is still advised, as exposure can still lead to skin damage within a short time. Stay vigilant and protect your skin year-round!
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 |
| Handeng | 15 | 16 | 16 | 15 | 13 | 11 | 12 | 14 | 16 | 15 | 15 | 14 |