Last updated: July 2, 2025
In Kosong, South Korea, understanding the UV Index is crucial for protecting your skin from harmful sunlight exposure. With UV levels often peaking at 11 around noon, awareness of these readings can significantly aid in sunburn prevention and long-term skin health, particularly in this Dfb climate where seasonal variations can amplify risk. Whether you're enjoying a sunny day outdoors or simply commuting, knowing the UV Index empowers you to take necessary precautions, ensuring that you and your loved ones remain safe while enjoying the beautiful Kosong landscape.
The UV Index today charts an intriguing journey as the sun makes its ascent. Starting at a mild 1 at 7:00 AM, the UV levels steadily rise, reaching a moderate 3 by 8:00 AM. As the day progresses, the intensity peaks dramatically, hitting 10 at 11:00 AM and soaring to a maximum of 11 at noon and 1:00 PM—a clear signal for sun safety. After this zenith, the index gracefully declines, dipping to 7 by 3:00 PM, before slipping to 2 at 5:00 PM and settling back to a low 1 by evening. It's a vivid reminder of the sun’s power and the importance of taking precautions during those 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 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | 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 shows significant seasonal variations, with the highest levels occurring during the summer months. From March to September, the UV Index reaches high to extreme levels, with particularly hazardous conditions noted in June, July, and August—all peaking at 11 and categorized as extreme, where the burn time is reduced to just 10 minutes. April and May also present a risk with a UV index of 9, classified as very high. Visitors and residents should exercise caution, especially during these high-risk months, by seeking shade, wearing protective clothing, and applying sunscreen regularly to reduce the risk of sunburn. During the winter months of January, February, November, and December, the UV Index decreases to moderate levels (3-4), allowing for safer outdoor activities, although it is still advised to take precautions, especially during midday hours.
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 |
| Kosong | 3 | 4 | 6 | 9 | 9 | 11 | 11 | 11 | 9 | 6 | 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 |