Last updated: May 3, 2025
Understanding the UV Index in Imja, South Korea is crucial for ensuring skin safety and overall health. It provides key insights into daily sun exposure, helping residents and visitors alike prevent sunburn and reduce the risk of long-term skin damage. Imja's Cfa climate brings warm summers and ample sunshine, which can elevate UV levels, particularly during midday when the index peaks at 9. Staying informed about these UV levels allows you to protect yourself effectively against harmful rays while enjoying the beautiful outdoor activities that Imja has to offer.
As the sun rises on this radiant day, the UV Index starts off modestly, peaking at 1 by 7:00 AM. However, excitement builds as the hours pass, with the index climbing to 2 by 8:00 AM and reaching a moderate 4 by 9:00 AM. The sun reaches its zenith, delivering its strongest rays between 11:00 AM and 1:00 PM, where the UV Index hits a maximum of 9. This intense exposure prompts caution for sun-seekers, as it signals a potentially harmful environment for unprotected skin. Gradually, the index begins to decline, dropping to 6 by 3:00 PM and easing into a gentle 1 by evening, inviting a serene close to the day. Remember to wear appropriate sun protection during peak hours for safety and enjoyment!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 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 |