UV Index in Hyesan, North Korea

Last updated: June 2, 2025

Understanding the UV Index in Hyesan, North Korea is crucial for promoting skin health and preventing sunburn. With the region’s Dwc climate, residents and visitors should be aware of the often high UV levels, especially during midday hours when the index peaks at 11. This heightened exposure can lead to significant skin damage if proper precautions aren't taken. By staying informed about UV levels and implementing protective measures, you can enjoy outdoor activities while safeguarding your skin from harmful effects.

Hourly UV Index in Hyesan

The UV Index throughout the day presents a fascinating glimpse into sun exposure levels. Starting at dawn, the index begins low at 2 at 07:00, gradually climbing as the sun rises. By 09:00, it reaches 6, signaling a need for caution. The peak of intensity hits at 12:00, soaring to an impressive 11, where sun safety becomes crucial. As midday passes, the index starts to decline, with 9 at 14:00 and then tapering down to 4 by 16:00. The evening brings a welcome relief as the index settles back to a gentle 1 by 19:00, perfect for a leisurely stroll without the worry of harmful UV rays. Overall, this hourly UV Index highlights the importance of sun protection during the peak hours of the day.

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
07:002low45 min
08:003moderate30 min
09:006high25 min
10:008very high15 min
11:0010very high15 min
12:0011extreme10 min
13:0011extreme10 min
14:009very high15 min
15:007high25 min
16:004moderate30 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Hyesan

As the seasons change, so do the UV Index levels, which indicate the strength of ultraviolet radiation. January and February see moderate levels (UV Index 3-4), allowing for a reasonable burn time of 30 minutes. However, starting in March, the UV Index escalates into the high range at 7, and severe exposure levels are reached from April to August, where the Index peaks at an extreme level of 11 and a burn time drops to just 10 minutes. September follows with a very high level of 8, while October sees a decrease to high at 6. The year concludes with November and December returning to moderate and low levels, respectively. Visitors and residents should take precautions from March through September, particularly during the extreme months, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of sunburn and skin damage.

Monthly Maximum UV Index for Hyesan, North Korea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Hyesan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec347991111118632
Data source: Statistical UV Index data for Hyesan, 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 Hyesan UV Index with Other North Korea Cities

The table above highlights how UV exposure in Hyesan compares to other major locations across North Korea. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Hyesan's solar exposure compared to other cities in North Korea. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Hungnam UVI245781010118632
Sunch'on UVI346881010119642
Hamhung UVI346881010118632
Pyongyang UVI345891010119642
Namp'o UVI346891010119642
Hyesan347991111118632