Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Manggar, Indonesia, where the tropical climate brings abundant sunshine year-round. With peak UV levels reaching as high as 12, awareness of these readings can be vital in preventing sunburn and protecting skin health. Knowing when to seek shade or apply sunscreen can make a significant difference in reducing long-term skin damage. As you enjoy the stunning beaches and outdoor activities in Manggar, it's essential to stay informed about the UV risks associated with the area's high levels of daily sun exposure, particularly during peak hours between 10 AM and 2 PM. Stay safe and keep your skin protected while soaking in the sun!
The UV Index throughout the day reveals a dynamic sun intensity pattern that peaks at 12 between 11:00 and 12:00, indicating a high risk for unprotected skin. Early risers are greeted with a mild 1 at 07:00, gradually increasing to 3 by 08:00. By 09:00, it surges to 6, suggesting that sun protection is becoming increasingly important. The intensity remains elevated at 9 by 10:00 and holds steady at 12 during the late morning hours. As the afternoon progresses, the UV Index starts to dip, falling to 11 at 13:00 and then declining to 8 by 14:00. Late afternoon sees a significant drop, with values dropping to 4 at 15:00, and tapering off to 2 by 16:00. Finally, the UV Index returns to a safe 1 at 17:00, before falling to 0 as the sun sets, emphasizing the importance of being sun-smart during peak hours.
| 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 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 4 | 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, UV Index levels remain consistently high, categorizing the exposure as extreme. Notably, from February to April, the UV Index peaks at 16, indicating a significant risk of skin damage with a burn time of just 10 minutes. As summer approaches, the index slightly declines to 12-13 in June through August but remains in the extreme category. In the fall, the UV Index rises again to 15 in September and October before tapering off slightly in November and December. Given this information, it is crucial for both visitors and residents to take protective measures against UV exposure, especially during the high-risk months of February through April. It is recommended to utilize sunscreen, wear protective clothing, and seek shade whenever possible to minimize the risk of skin damage 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 |
| Manggar | 14 | 16 | 16 | 14 | 14 | 12 | 12 | 13 | 15 | 15 | 14 | 13 |