Last updated: July 2, 2025
Understanding the UV Index in Hila, Indonesia is essential for ensuring skin health and preventing sunburn. With the tropical climate characteristic of the region, residents and visitors alike face significant UV exposure risks, especially during the midday hours when the index peaks at a striking 12. By monitoring UV levels, you can take proactive steps to protect yourself from harmful rays, ensuring your time under the sun is both enjoyable and safe. Awareness of these fluctuations throughout the day—where UV levels rise from 1 in the early morning to as high as 12 around noon—empowers you to make informed decisions about sun protection strategies.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00 before gradually climbing to a moderate 2 by 08:00. The real intensity kicks in as the clock strikes 10:00, when the index reaches a noteworthy 7. By 11:00, it peaks at an extreme 10, and just after noon, it hits the highest point of the day at an impressive 12. This intense UV exposure continues until 13:00, where it remains steady at 12. As the afternoon progresses, the index starts to decline, dropping to 10 at 14:00, then tapering off to 7 by 15:00. The UV Index continues to decrease, reaching 4 at 16:00 and returning to a low of 1 by the evening, with the sun slipping below the horizon at 19:00, leaving a safe UV reading of 0.
| 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 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index data reveals significant seasonal changes, with extreme levels persisting throughout the year. From January to April, the UV Index consistently peaks at 16, representing the highest risk months for sun exposure, where a burn can occur in just 10 minutes. Although slightly lowering in May and June to 13 and 12 respectively, these months still pose a high risk. It remains crucial for residents and visitors to take precautions, particularly from October to April, when the Index fluctuates between 14 and 15. To safeguard against skin damage, it is advisable to wear protective clothing, apply broad-spectrum sunscreen, and seek shade whenever possible. Staying informed about these high-risk periods will help ensure safe outdoor activities 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 |
| Hila | 15 | 16 | 16 | 16 | 13 | 12 | 12 | 14 | 15 | 15 | 15 | 14 |