Last updated: July 2, 2025
In Lembar, Indonesia, understanding the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. As a tropical region characterized by its warm climate, Lembar experiences varying UV levels that can lead to sunburns and long-term skin health issues if precautions aren't taken. The UV Index peaks during midday, reaching levels as high as 11 at noon—indicating extreme risk for unprotected skin. By being aware of these UV measurements, residents and visitors can better plan their outdoor activities and implement necessary sun protection strategies, ensuring a safe and enjoyable experience in this beautiful location.
The UV Index throughout the day offers a clear picture of sun intensity and potential risk for skin exposure. Starting off at a mild level of 1 at 07:00, the index gradually climbs, reaching 2 by 08:00. By 09:00, it jumps to 4, signifying a need for sun protection as it approaches midday. The peak arrives at 11:00 with a striking 10, followed closely by 11 at both 12:00 and 13:00, indicating the highest risk for harmful UV rays. As the afternoon progresses, the UV Index dips, falling to 9 at 14:00 and eventually to a more manageable 5 by 15:00. The evening brings relief, as it decreases further to 3 at 16:00, and to 1 by 17:00. Finally, as the sun sets, the index drops to 0 by 19:00, marking the end of a day defined by varying levels of UV exposure. It's a vivid reminder of the sun's intensity and the importance of appropriate sun safety measures during peak hours!
| 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 | 11 | 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 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index in this region exhibits extremely high levels, particularly from January to April, with a consistent index of 15 and a burn time of only 10 minutes. July and August see slight variations, but maintain an extreme category with indices of 11 and 13, respectively. The months of July to September also present high risk, especially with an index of 15 in September. Visitors and residents are strongly advised to take precautions during these months due to the high UV exposure, including wearing protective clothing, using sunscreen, and seeking shade to minimize skin damage. Consistently high levels in October and November reinforce the need for ongoing sun safety measures throughout the year.
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 |
| Lembar | 15 | 15 | 15 | 15 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 15 |