Last updated: July 2, 2025
In Imja, South Korea, understanding the UV Index is crucial for maintaining skin health and preventing harmful sunburn. With the region's Cfa climate providing ample sunshine, residents and visitors alike must be aware of daily UV levels, especially during peak hours when the index can soar to 11—intensifying exposure risks. By staying informed about these changing UV conditions, individuals can effectively protect their skin and enjoy the outdoors safely, turning sunny days into healthy, fun-filled experiences.
The UV Index today paints a vivid picture of sun exposure throughout the hours. Starting off at a gentle 1 at 07:00, the intensity steadily climbs, reaching 5 by 09:00 and hitting its peak at 12:00 with a striking 11. Between 10:00 and 13:00, sun seekers should be cautious as the index hovers between 8 and 11, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the levels begin to recede, dropping to 8 at 15:00, then 5 at 16:00, and winding down to a safe 1 by 18:00, concluding the day’s sun journey. Remember, protecting your skin is paramount during those blistering mid-day hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | 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 levels exhibit significant seasonal fluctuations, with high-risk months occurring from April to August, where the UV Index peaks at 9 to 11, indicating very high to extreme exposure categories. Visitors and residents should pay particular attention during these months, especially in June, July, and August, when the burn time is as short as 10 minutes. Conversely, during the winter months of January, February, and December, the UV Index remains lower at 3 to 5, requiring less vigilance with a burn time of 30 minutes. To ensure safety, it's essential to take protective measures, such as wearing sunscreen and protective clothing, particularly in the peak summer months when skin damage can occur rapidly. Stay informed and enjoy the outdoors safely!
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 |
| Daejeon UVI | 3 | 5 | 7 | 9 | 9 | 11 | 11 | 12 | 10 | 7 | 5 | 3 |
| Imja | 3 | 5 | 7 | 9 | 9 | 11 | 11 | 11 | 9 | 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 |