Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Bangsan, South Korea, where the subtropical Dfb climate can lead to significant UV exposure, particularly during peak hours. Being aware of the UV levels not only helps in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. With midday UV Index values soaring up to 12, it's essential to take precautions against harmful rays, especially from 10 AM to 2 PM. By recognizing these UV risks, you can enjoy all that Bangsan has to offer while keeping your skin safe and protected.
The UV Index exhibits a dynamic rise and fall throughout the day, peaking dramatically in the early afternoon. Starting from a modest 1 at 07:00, it escalates to a moderate 3 by 08:00. The real intensity kicks in as it climbs to 5 at 09:00, then surges to 8 at 10:00. By 11:00, it reaches a striking 10, and at 12:00, it boasts an impressive 12, marking the day's zenith. As the afternoon progresses, the index gradually decreases, holding steady at 11 at 13:00 and tapering to 10 at 14:00. The evening sees a gentle decline to 8 at 15:00, followed by a drop to 5 at 16:00. As daylight wanes, the UV Index sinks back to 3 at 17:00 and returns to 1 by 18:00, lingering at this low level until 19:00. This fascinating pattern underscores the importance of sun protection, particularly during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit notable seasonal changes, with the highest values occurring during the summer months. High-risk months are primarily from April to August, when the UV Index peaks at 9 to 12, corresponding to the very high and extreme categories, and burn times decrease to as low as 10 minutes. Visitors and residents are strongly advised to take precautions during these months by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak sunlight hours. In contrast, the UV Index is lower from January to February and in November to December, where it ranges from 3 to 4 with more moderate burn times of 30 minutes. Awareness of these seasonal changes is essential for minimizing skin damage and ensuring safe outdoor activities.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Incheon UVI | 3 | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 9 | 6 | 4 | 3 |
| Seoul UVI | 3 | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 9 | 6 | 4 | 3 |
| Bangsan | 3 | 4 | 6 | 9 | 9 | 11 | 11 | 12 | 9 | 7 | 4 | 3 |
| Daejeon UVI | 3 | 5 | 7 | 9 | 9 | 11 | 11 | 12 | 10 | 7 | 5 | 3 |
| Daegu UVI | 3 | 5 | 7 | 10 | 10 | 11 | 12 | 12 | 10 | 7 | 5 | 3 |
| Busan UVI | 4 | 5 | 7 | 10 | 10 | 11 | 12 | 12 | 10 | 7 | 5 | 3 |