Last updated: June 2, 2025
Understanding the UV Index in Nanga Bulik, Indonesia, is crucial for protecting your skin and maximizing your time outdoors. With UV levels frequently peaking at a high of 11 during midday, awareness is essential in preventing sunburn and maintaining skin health. The tropical Af climate of Nanga Bulik brings plenty of sunshine, but it also poses significant risks of UV exposure, especially during the hours between 10 AM and 1 PM. Stay informed about the UV Index to safeguard your skin while enjoying the beautiful surroundings!
As the sun rises and begins to assert its strength, the UV Index increases rapidly throughout the morning. At 7:00 AM, it starts at a modest 2, but by 9:00 AM, it leaps to a notable 7. The peak intensity hits high noon, with 11 at both 11:00 AM and 12:00 PM, indicating a critical time for sun safety. After that, the index begins to drop, falling to 6 by 2:00 PM and further declining toward the evening, finally reaching 0 by 7:00 PM. This data starkly illustrates the importance of sun protection during the midday hours when UV exposure is at its most dangerous.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index remains consistently high throughout the year, with extreme exposure levels noted from January to May and again in September and November. The highest indices are recorded in February and March at 16, indicating that these months pose the greatest risk for UV exposure. Visitors and residents are strongly advised to take precautionary measures from 10 AM to 4 PM, ensuring they apply broad-spectrum sunscreen, wear protective clothing, and seek shade whenever possible. Even in June through August, while slightly lower at around 12 to 13, the risk remains significant, emphasizing the need for continued vigilance. To protect against skin damage and maximize enjoyment of outdoor activities, staying informed and prepared is essential 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 |
| Nanga Bulik | 15 | 16 | 16 | 14 | 14 | 12 | 12 | 13 | 15 | 15 | 14 | 13 |