Last updated: May 3, 2025
Understanding the UV Index in Gelagah, Indonesia is essential for protecting your skin and overall health. This region experiences a tropical climate that often leads to elevated UV levels, especially during midday hours. With UV Index values peaking at 12 around noon, awareness is crucial to prevent sunburn and long-term skin damage. By staying informed about the daily UV levels, residents and visitors can take proactive measures—such as applying sunscreen and seeking shade—to enjoy Gelagah’s beautiful outdoors safely while prioritizing their well-being.
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 experiences significant fluctuations throughout the year, with notably high values and extreme exposure categories from January to April, and again from July to October. The high-risk months include January through April and July to September, where the UV Index consistently reaches extreme levels of 15, necessitating very short burn times of just 10 minutes. Even during June, with a UV Index of 10, awareness is crucial, as it falls into the very high category with a slightly longer burn time of 15 minutes. Residents and visitors should take proactive measures during these periods to protect their skin, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade whenever possible. As a general rule, stay vigilant with UV safety practices year-round due to the persistently high UV levels observed even in the cooler months.
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 |
| Gelagah | 15 | 15 | 15 | 15 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 14 |