UV Index in Hyesan, North Korea

Last updated: August 1, 2025

Understanding the UV Index in Hyesan, North Korea, is essential for safeguarding your skin and overall health. As UV levels can soar, particularly during midday hours, being aware of this index enables residents and visitors to take proactive measures against sunburn and long-term skin damage. Hyesan experiences a Dwc climate, characterized by distinct seasons with notable UV exposure, especially in the summer months. During peak times, such as the midday sun reaching a UV Index of 11, it’s crucial to protect yourself with proper clothing and sunscreen to enjoy the beautiful outdoors safely.

Hourly UV Index in Hyesan

As the sun rises, the UV Index begins its ascent, starting at a modest 2 at 07:00. By 08:00, it climbs to 3, but it's not until 09:00 that we see a noticeable surge to 5. The day peaks at 11:00 with an impressive 10, reaching the highest value of 11 between 12:00 and 13:00—perfect time for that midday umbrella! As we head into the afternoon, the index gradually declines, sliding to 10 by 14:00 and then dropping to 7 at 15:00. The evening brings a gentle fade, with the UV Index winding down to 3 by 17:00 and a cooling 1 as the sun sets by 18:00 and 19:00. Remember, during those peak hours, staying sun-safe is key!

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.
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	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 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

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.

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.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
Hyesan	3	4	7	9	9	11	11	11	8	6	3	2