Last updated: June 2, 2025
Understanding the UV Index in Daejeon, South Korea is crucial for safeguarding your skin against harmful ultraviolet radiation. As the city's climate falls under the Dwa classification, residents and visitors alike should be aware of the daily UV levels, which can peak sharply between 10 AM and 2 PM. With UV Index readings soaring to 11 during these hours, the risk of sunburn and long-term skin damage increases significantly. By keeping track of these levels, you can take proactive steps for sunburn prevention and maintain your overall skin health, allowing you to enjoy the sunny days typical of Daejeon's vibrant weather while staying safe.
The UV Index data paints a vivid picture of a day under the sun, starting with a gentle maximum of 1 at 7 AM. As the morning progresses, the index gradually climbs, reaching 3 by 8 AM and hitting 5 by 9 AM. However, the real intensity arrives around 10 AM, when the UV Index peaks at a striking 11—a clear signal to seek shade and protect your skin. It remains at this maximum level until 1 PM, heralding the highest potential for sunburn and skin damage. As the afternoon unfolds, the index begins to taper off, dropping to 9 at 2 PM, then further declining to 5 by 4 PM. By evening, the intensity wanes, returning to a mild 1 by 6 PM and staying low through the rest of the night. Enjoy the sunshine, but remember to stay safe 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 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 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 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 |
| Daejeon | 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 |