Last updated: June 2, 2025
In Biin, South Korea, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels not only helps prevent painful sunburns but also contributes to long-term skin health and reduces the risk of skin cancer. With Cfa climate characteristics, Biin experiences varying UV exposure risks throughout the day, peaking at a notable UV Index of 11 around noon. This signals a need for everyone to take precautions, ensuring that you can enjoy the vibrant outdoor life while keeping your skin safe from harmful ultraviolet rays.
During the early hours of the day, the UV Index starts off low, peaking at just 1 at 07:00. As the sun rises higher, the intensity escalates sharply, reaching a notable 3 by 08:00 and then surging to 5 at 09:00. The UV exposure continues to rise, hitting its maximum at 12:00 with a striking 11. This dangerous level persists for the next hour, slightly dropping to 10 by 13:00. Afterward, there's a gradual decline, with values decreasing to 9 at 14:00 and further dropping to 7 by 15:00. The UV Index continues its downward trend, reaching 5 at 16:00, tapering off to 3 at 17:00, and returning to a safe 1 by the evening hours of 18:00 and 19:00. It's a reminder of the importance of sun safety, especially during the midday peak!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 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, the UV Index displays notable seasonal variations, indicating changing risks of sun exposure for both visitors and residents. High-risk months typically occur from April to August, with the UV Index peaking at 11 during June, July, and August, deemed as extreme exposure, with a dangerously short burn time of just 10 minutes. April and May also present very high UV levels at 9, where even minimal sun exposure can lead to burns in just 15 minutes. As the seasons transition, UV levels decrease in the fall and winter, with January, February, November, and December maintaining a moderate risk category. To safeguard your skin during high UV periods, it is advisable to seek shade, wear protective clothing, and apply sunscreen liberally, especially during the summer months when sun safety is paramount.
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 |
| Biin | 3 | 5 | 6 | 9 | 9 | 11 | 11 | 11 | 9 | 7 | 5 | 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 |