UV Index in Sangju, South Korea

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Sangju, South Korea, where the climate is classified as Dwa, marked by warm summers and cold winters. With UV levels peaking at 12 around midday, awareness of these sunlight exposure risks is essential for preventing sunburn and maintaining skin health. By keeping an eye on the UV Index, you can enjoy the sun safely while protecting your skin from harmful effects. Whether you’re out exploring Sangju’s beautiful landscapes or enjoying local activities, understanding UV levels will help you stay safe and protected in the sun.

Hourly UV Index in Sangju

The UV Index throughout the day reveals a notable peak of intensity around midday. Starting from a gentle 1 at 07:00, the index rises gradually to reach 3 by 08:00. As the sun climbs higher, things heat up quickly, with values soaring to 5 at 09:00 and then sharply escalating to a maximum of 12 by 12:00. This potent level of UV exposure is sustained until 13:00, when it slightly dips to 11. The afternoon brings a gradual decline, with readings of 10 at 14:00, 7 at 15:00, and slipping further to 5 at 16:00. As the sun begins to set, the UV Index dwindles back down to 2 at 17:00 and settles at a safer 1 by 18:00 and 19:00. It's a clear reminder to protect your skin during those peak hours!

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
12:0011extreme10 min
13:0011extreme10 min
14:0010very high15 min
15:007high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Sangju

Throughout the year, the UV Index experiences significant fluctuations, highlighting the importance of sun protection for both visitors and residents. From January to February, the UV levels are moderate (3-4), with a burn time of 30 minutes. However, as spring approaches, UV exposure escalates, peaking in the summer months of June through August with an extreme rating of 11-12 and a burn time as brief as 10 minutes. The high-risk months are notably March to September, where the UV Index frequently exceeds 7, indicating heightened caution is necessary. Particularly during April and May, with very high levels of 9, and the peak summer months, it’s crucial for everyone to use adequate sun protection, such as sunscreen, hats, and protective clothing, to minimize the risk of sunburn and long-term skin damage. As UV radiation decreases in October and returns to moderate levels by November and December, the urgency for sun safety diminishes, but vigilance remains important year-round.

Monthly Maximum UV Index for Sangju, South Korea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sangju. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3479911121110753
Data source: Statistical UV Index data for Sangju, 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 Sangju UV Index with Other South Korea Cities

The table above highlights how UV exposure in Sangju 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.
Sangju's solar exposure compared to other cities in South Korea. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Incheon UVI346891011119643
Seoul UVI346891011119643
Daejeon UVI3579911111210753
Sangju3479911111210753
Daegu UVI357101011121210753
Busan UVI457101011121210753