UV Index in Seongsu, South Korea

Last updated: July 2, 2025

In Seongsu, South Korea, awareness of the UV Index is crucial for maintaining healthy skin and preventing sunburn. With typical summer UV levels often reaching their peak around noon—hitting a striking 12—understanding the potential risks of UV exposure is essential for enjoying the sunny climate. Given Seongsu's Dfa climate, where hot summers can lead to increased UV radiation, being mindful of the UV Index can help residents and visitors alike take necessary precautions, such as wearing appropriate sunscreen and protective clothing during the highest risk hours. By staying informed, you can enjoy the outdoors while safeguarding your skin health!

Hourly UV Index in Seongsu

The UV Index varies significantly throughout the day, peaking from 12:00 PM to 1:00 PM with a striking 12. Early morning starts off mild, reaching a maximum of 1 at 7:00 AM before climbing through the hours. At 9:00 AM, it hits 5, and by 10:00 AM, it intensifies to 8. The sun's intensity continues to rise, attaining its highest points at 11:00 AM and 12:00 PM, with the index hitting 10 and 12, respectively. As the afternoon progresses, a gradual decline begins; by 3:00 PM, it dips to 8, then further to 5 at 4:00 PM. The UV Index settles back down to 3 by 5:00 PM and returns to 1 as evening approaches, illustrating the importance of sun protection, particularly during the peak hours of midday.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:003moderate30 min
09:005moderate30 min
10:008very high15 min
11:0010very high15 min
12:0012extreme10 min
13:0012extreme10 min
14:0010very high15 min
15:008very high15 min
16:005moderate30 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Seongsu

Throughout the year, the UV Index exhibits significant seasonal changes, with high-risk months primarily occurring from March to September. During these months, UV levels climb sharply, peaking at an extreme 12 in July and August, where the burn time is reduced to just 10 minutes. As summer transitions to fall, UV exposure slightly declines but remains notable, hitting 10 in April, May, and September, with burn times of only 15 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months by wearing sunscreen, protective clothing, and sunglasses, particularly during midday when the sun's rays are most intense. From late fall through winter, while the UV Index drops to moderate levels (3-5), it's still important to remain cautious, especially if spending extended time outdoors.

Monthly Maximum UV Index for Seongsu, South Korea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Seongsu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec457101011121210753
Data source: Statistical UV Index data for Seongsu, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Seongsu UV Index with Other South Korea Cities

The table above highlights how UV exposure in Seongsu compares to other major locations across South Korea. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Seongsu's solar exposure compared to other cities in South Korea. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Incheon UVI346891011119643
Seoul UVI346891011119643
Daejeon UVI3579911111210753
Daegu UVI357101011121210753
Seongsu457101011121210753
Busan UVI457101011121210753