Last updated: July 2, 2025
In Galunggalung, Indonesia, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you prevent sunburn, reduce the risk of skin cancer, and maintain long-term skin health. With a tropical climate that can lead to intense sun exposure, especially during midday hours when the UV Index peaks at 12, being aware of these fluctuations is essential for outdoor activities. By checking the UV Index before heading out, you can take the necessary precautions to enjoy the sun safely while safeguarding your skin against its harmful effects.
As the sun rises, the UV Index (UVI) gradually increases, starting at a mild 1 at 07:00. By 08:00, it climbs to 2, indicating it's time to start thinking about sun protection. The intensity peaks dramatically at 12:00, reaching a striking 12, which signifies a high risk of harm from unprotected sun exposure. This peak continues slightly into the early afternoon, with 11 at 13:00 and 9 at 14:00. However, the UVI quickly decreases, dipping to 5 by 15:00 and dropping further to 1 by 17:00. Finally, by the evening hours, it descends to 0 by 18:00, signaling a safe time to enjoy outdoor activities without the worry of harmful UV radiation. Stay sun-smart!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index displays extremely high levels of ultraviolet radiation throughout the year, consistently remaining between 14 and 16 from January to April and September to December. The months of January, February, March, and April experience the highest UV indexes, making them crucial high-risk months for sun exposure, with a burn time as short as 10 minutes in these periods. Visitors and residents should take precautionary measures such as wearing protective clothing, using sunscreen, and seeking shade, especially during peak hours, to reduce their risk of skin damage. As the UV Index begins to dip slightly in June and July, it still remains within the extreme category, warranting continued vigilance. Therefore, it is essential for everyone to stay informed and prioritize sun safety all 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 |
| Galunggalung | 15 | 16 | 16 | 15 | 14 | 12 | 12 | 14 | 15 | 15 | 14 | 14 |