With a population of around 15,700, Sinanju sits in South Pyongan, KP. The city operates in the Asia/Pyongyang time zone.
Recent weather here gives a sense of typical conditions: in 2025, Sinanju recorded a mean annual temperature of 51°F, ranging from -4°F lows in February to 92°F highs in July, with about 61 inches of precipitation across the year.
View historical weather for Sinanju · More cities in South Pyongan