Last updated: August 1, 2025
In Musan-up, North Korea, awareness of the UV Index is crucial for maintaining skin health and preventing painful sunburns. Understanding UV levels helps residents and visitors alike protect themselves from harmful rays, especially during the sun’s peak hours, when the index can reach a maximum of 11 around midday. With the region's Dwb climate, characterized by distinct seasons and varying sun exposure, knowledge of daily UV fluctuations can make a significant difference in safeguarding against long-term skin damage. Stay informed and enjoy the sunshine safely!
The UV Index fluctuates throughout the day, peaking dramatically in the late morning to early afternoon. Starting at a mild 2 at 07:00, it steadily climbs, reaching 3 by 08:00. By 09:00, the intensity ramps up to 5, but the real surge occurs as the clock approaches midday, with the UV Index soaring to a striking 10 at 11:00 and hitting a maximum of 11 from 12:00 to 13:00. After this intense peak, the index begins to decline, descending to 9 at 14:00, and gradually dropping to 5 by 16:00. As daylight fades, the numbers further dwindle to 3 at 17:00, and stabilizing at a safe 1 as evening sets in, from 18:00 to 19:00. This data showcases the importance of sun protection during the midday hours when the UV radiation is at its highest.
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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 radiation levels exhibit significant seasonal variations, with high-risk months occurring from April to August. During this peak period, the UV Index reaches its highest points, especially in July and August, where it can soar to 11, categorizing it as extreme and allowing for burn times as short as 10 minutes. Visitors and residents are advised to take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during midday hours to minimize the risk of UV exposure. Conversely, months like January and December present much lower risk with UV Index values of 2 and longer burn times of 45 minutes, making them safer times for outdoor activities. As the seasons change, it's crucial to stay informed and adjust sun safety practices accordingly.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Musan-up | 2 | 3 | 6 | 8 | 8 | 10 | 11 | 11 | 8 | 6 | 3 | 2 |
| Hungnam UVI | 2 | 4 | 5 | 7 | 8 | 10 | 10 | 11 | 8 | 6 | 3 | 2 |
| Sunch'on UVI | 3 | 4 | 6 | 8 | 8 | 10 | 10 | 11 | 9 | 6 | 4 | 2 |
| Hamhung UVI | 3 | 4 | 6 | 8 | 8 | 10 | 10 | 11 | 8 | 6 | 3 | 2 |
| Pyongyang UVI | 3 | 4 | 5 | 8 | 9 | 10 | 10 | 11 | 9 | 6 | 4 | 2 |
| Namp'o UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 9 | 6 | 4 | 2 |