Last updated: May 3, 2025
In Gunsan, South Korea, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the sunny months when UV levels can soar. As a city located in a Cfa climate zone, Gunsan experiences distinct seasonal changes, leading to varying UV exposure risks throughout the year. Understanding these UV levels not only empowers residents to take the necessary precautions but also promotes overall skin wellness, ensuring that outdoor activities are both enjoyable and safe. With midday UV Index readings frequently reaching 9, it’s essential to stay informed and protect your skin against potential harm.
As the sun rises on this radiant day, the UV Index starts off modestly, peaking at 1 by 7:00 AM. However, excitement builds as the hours pass, with the index climbing to 2 by 8:00 AM and reaching a moderate 4 by 9:00 AM. The sun reaches its zenith, delivering its strongest rays between 11:00 AM and 1:00 PM, where the UV Index hits a maximum of 9. This intense exposure prompts caution for sun-seekers, as it signals a potentially harmful environment for unprotected skin. Gradually, the index begins to decline, dropping to 6 by 3:00 PM and easing into a gentle 1 by evening, inviting a serene close to the day. Remember to wear appropriate sun protection during peak hours for safety and enjoyment!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | 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, UV levels fluctuate significantly, with the highest risk months being June, July, and August, where the UV Index reaches extreme levels of 11 to 12 and burn times decrease to just 10 minutes. April and May also show very high UV levels of 9, which correspond to shorter burn times of 15 minutes. In contrast, the winter months (January, February, and December) exhibit moderate UV exposure, with burn times extending to 30 minutes. It is crucial for visitors and residents to take precautions during high-risk months by seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during midday hours when UV exposure is at its peak.
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 |
| Gunsan | 3 | 5 | 7 | 9 | 9 | 11 | 11 | 12 | 9 | 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 |