Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Letung, Indonesia, where the warm, tropical climate often leads to heightened sun exposure. As the UV levels can rise dramatically throughout the day—peaking at a staggering 13 around noon—being aware of these fluctuations is essential for sunburn prevention and maintaining long-term skin health. With moderate to high UV risks typical for this region, it’s vital to protect yourself with proper precautions, ensuring your time under the Indonesian sun stays enjoyable and safe.
The UV Index data reveals a clear peak of sun intensity throughout the day. At 12:00 PM, the UV Index reaches its maximum level of 13, indicating the highest risk of harm from unprotected sun exposure. The morning starts off mild, with a UV Index of 1 at 07:00 and gradually escalates to 6 by 09:00, making it essential to wear sunscreen. As the clock strikes 11:00 AM, the intensity hits 12, urging everyone to seek shade. The afternoon sees a decline, dipping to 5 at 15:00 and falling further to 1 by 17:00, before gently fading into the evening with no UV risk from 18:00 onward. Plan outdoor activities wisely, especially between 10:00 AM and 2:00 PM, to ensure safety under the sun!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains consistently high, reflecting an extreme exposure category with a burn time of just 10 minutes across all months. February and March see peak UV levels at 15 and 16, respectively, indicating they are among the highest risk months for sunburn and UV-related skin damage. Even during the cooler months, such as November and December, the UV Index stays relatively elevated at 13 and 12. Therefore, it is crucial for both visitors and residents to take protective measures year-round, including wearing sunscreen, protective clothing, and seeking shade to minimize direct sun exposure, especially during midday hours.
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 |
Letung | 13 | 15 | 16 | 16 | 14 | 13 | 13 | 14 | 14 | 14 | 13 | 12 |