Last updated: August 1, 2025
Understanding the UV Index in Heunghae, South Korea is crucial for protecting yourself from harmful ultraviolet rays that can lead to sunburn and long-term skin health issues. As you enjoy the city's distinct Cfa climate, with its warm and humid summers, knowing the daily UV levels helps you plan accordingly and safeguard your skin. With peak UV Index readings soaring to 12 around noon, it's essential to stay informed and take necessary precautions during the highest exposure times. Prioritizing UV awareness not only enhances your outdoor experience but also ensures your skin stays healthy and protected under the sun.
The UV Index data presents a clear peak in sun intensity during the midday hours. Starting from a low of 1 at 07:00, the values gradually increase, reaching a significant rise at 10:00 with a sharp climb to 8. The pinnacle occurs at 12:00, where the UV Index soars to a maximum of 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index begins to decline, dropping to 10 by 14:00 and then gently tapering off to 4 by 16:00. By evening, the UV Index settles back down to 1 after 18:00, emphasizing the importance of sun safety during those peak hours between 11:00 and 14:00. Stay protected and enjoy the sun safely!
| 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 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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, the UV Index exhibits significant seasonal variations, with the highest risk months being May through August. During this period, UV Index levels peak at 10 to 12, categorizing the exposure as very high to extreme, with burn times dropping to just 10-15 minutes. In contrast, the months of January, February, November, and December present a moderate UV exposure with indices around 3 to 5 and longer burn times of 30 minutes. It's essential for visitors and residents alike to take appropriate precautions, such as applying sunscreen, wearing protective clothing, and seeking shade, especially during the high-risk months of April to September, to minimize the risk of skin damage. Staying informed about local UV levels can significantly enhance sun safety practices.
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 |
| Heunghae | 3 | 5 | 7 | 9 | 10 | 11 | 12 | 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 |