Last updated: May 3, 2025
In Gunungbatubesar, Indonesia, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. The region's tropical climate, characterized by high humidity and ample sun exposure, can elevate UV levels, particularly between 10:00 AM and 12:00 PM when they peak at a striking 14. Understanding these UV levels empowers residents and visitors alike to take necessary precautions against harmful rays, ensuring enjoyable outdoor experiences without compromising skin safety. Stay informed and protect yourself from UV-related health risks in this beautiful corner of Indonesia!
Starting off the day, the UV Index begins at a mild 1 at 07:00, rising steadily as the sun climbs higher. By 08:00, it increases to 2, and by 09:00, it reaches 6, a clear indication that sun protection is becoming more necessary. The peak occurs at 12:00, where it soars to an intense 14, making midday the time to be most cautious. The index gradually descends after 1 PM, dropping to 10 at 14:00, and continuing to decline with readings of 6 at 15:00 and 3 by 16:00. As the evening approaches, the UV Index reduces to 1 by 17:00 and finally settles at 0 by 19:00, signaling a safe return to outdoor activities without sun protection. Stay aware of these fluctuations to protect your skin throughout the day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 6 | high | 25 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 remains consistently extreme, with the highest values recorded from February to March, peaking at 17. January through April also sees very high UV exposure, maintaining an index between 15 and 16. Although the index dips slightly to 12 in June and July, it remains at 14 for several months afterward, making October another high-risk month. Given these sustained levels of UV radiation, it is crucial for visitors and residents to take protective measures year-round, such as wearing sunscreen, protective clothing, and sunglasses, especially during peak hours. Remember, with a burn time of just 10 minutes, even brief sun exposure can lead to serious skin damage.
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 |
| Gunungbatubesar | 15 | 16 | 17 | 15 | 14 | 12 | 12 | 14 | 14 | 16 | 14 | 14 |