With a population of around 193,000, Hyesan sits in Yanggang-do, KP. The city operates in the Asia/Pyongyang time zone.
In 2025, Hyesan averaged an annual temperature of 42°F, with hottest temperatures reaching 94°F in July and lowest around -15°F in February. The city received approximately 37 inches of precipitation during the year.
View historical weather for Hyesan · More cities in Yanggang-do