Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Gunseo, South Korea, particularly in a region characterized by a Dwa climate, which brings distinct seasonal variations in sun exposure. With UV levels reaching their peak during the midday hours—surpassing 10 around noon—being aware of these readings is essential for sunburn prevention and maintaining skin health. High UV exposure can lead to both immediate effects like sunburn and long-term issues such as skin cancer. By staying informed about the UV Index, residents can take proactive measures to protect themselves during the sunniest parts of the day, ensuring enjoyable and safe outdoor experiences year-round.
The UV Index for the day showcases a significant rise in intensity as the sun approaches its zenith. Starting off at a mild 1 at 07:00, the index climbs steadily, reaching 3 by 08:00. The real surge begins at 09:00, peaking at an impressive 12 by 12:00, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, values gracefully taper down—with 11 at 13:00, and back to 10 at 14:00. By 15:00, the index drops to 8, then continues to decline into the evening, concluding the day with a serene 1 at 19:00. Be sure to stay protected during peak hours, especially between 10:00 and 14:00!
| 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 | 12 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risks typically occurring in the summer months. Notably, June, July, and August see the peak UV Index at 11 to 12, classified as extreme, with a burn time of just 10 minutes. The spring months, particularly April and May, also present considerable risk with a UV Index of 9 (very high), requiring careful sun protection for 15 minutes of exposure. As autumn approaches, the UV Index decreases, with September still maintaining a 10 (very high) rating before dropping to moderate levels in November and December (UV Index 3-5). Residents and visitors are advised to take appropriate precautions during the high-risk months from March through September, including wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of sunburn and harmful UV exposure.
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 |
| Gunseo | 3 | 5 | 7 | 9 | 9 | 11 | 11 | 12 | 10 | 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 |