Last updated: August 1, 2025
In Hwanam, South Korea, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With the climate classified as Dwa, residents can experience significant UV exposure, particularly during peak hours. As the UV levels can soar to 12 by noon, it's important to be aware of these fluctuations to safeguard against harmful effects. By keeping a close eye on the daily UV Index, you can plan outdoor activities wisely and ensure adequate protection for your skin.
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 | 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, UV levels fluctuate significantly, peaking during the summer months. January and December see moderate UV Index levels of 3, allowing for longer exposure times of about 30 minutes without risk of burn. As the year progresses, February climbs to 5, and by March, the index reaches 7, indicating high exposure risk with a burn time reduced to 25 minutes. The high-risk months commence in April with a UV Index of 9 and continue to escalate, peaking in August at an extreme level of 12, where the burn time is just 10 minutes. September remains a concern with a UV Index of 10, followed by a decline into the moderate levels of November. Visitors and residents should take precautionary measures from March through September, using sunscreen, wearing protective clothing, and seeking shade, especially during peak sunlight hours, to minimize potential health risks from the sun.
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 |
| Hwanam | 3 | 5 | 7 | 9 | 10 | 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 |