Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Lembongan Kawan, Indonesia, especially given its tropical Aw climate, which can lead to heightened sun exposure. Monitoring UV levels not only helps prevent painful sunburns but also promotes long-term skin health, reducing the risk of serious conditions like skin cancer. With peak UV readings reaching 12 around midday, awareness of these levels is essential for making informed decisions about sun protection and outdoor activities. Stay informed and enjoy the sun safely in this beautiful island paradise!
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 |
| Lembongan Kawan | 15 | 15 | 15 | 15 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 14 |