Sinmak, North Korea

Full City Profile

18,669 Population 68/sq mi density

361 ft Elevation 110 meters

50°F Avg Temperature 10°C

Sinmak experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 21°F in January while summers reach 74°F in July. The area gets 262 sunny days per year. Annual precipitation totals 40.9 inches. The area receives 1.8 inches of snow annually.

Temperature

21°F Jan (-6°C) 74°F Jul (23°C)

Annual Average	49.7°F
	8% below US avg
January Average	21°F (-6°C)
July Average	74°F (23°C)
Sunny Days	262 days/yr

Geography

Elevation	361 ft (110 m)
Area	274.9 sq mi (712.0 km²)
Population Density	68/sq mi
Coordinates	38.4167°N, 126.2333°W
Timezone	Asia/Pyongyang

Precipitation & Snow

Annual Rainfall 40.9"

8% above US avg

Snowfall 1.8"

Wettest Month (Jul) 11.61"

Driest Month (Feb) 0.43"

Air Quality

Earthquake History

5 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.3. Most recent: M3.6 on Jan 8, 2023.

Nov 11, 1992	8 km NW of Chunghwa, North Korea	M4.3	71 km
Mar 17, 2002	49 km WSW of Changy?n, North Korea	M3.9	149 km
May 11, 2020	32 km E of Koksan, North Korea	M3.8	79 km
Jun 27, 2019	10 km W of Chunghwa, North Korea	M3.6	69 km
Jan 8, 2023	South Korea	M3.6	73 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

6 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2.

Year	Name	Category	Closest
2020	Bavi	Category 2	130 km
2020	Haishen	Category 1	297 km
2019	Lingling	Category 1	107 km
2010	Kompasu	Category 1	92 km
2000	Prapiroon	Category 1	159 km
1995	Faye	Category 1	282 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Nearby Volcanoes

1 volcano within 200 km. Closest: Ch'uga-ryong (96 km).

Name	Type	Elevation	Last Eruption	Distance
Ch'uga-ryong	Shield	452 m (1,483 ft)	Unknown	96 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	21°F (-6°C)	0.6 in	Coldest
February	27°F (-3°C)	0.4 in	Driest
March	37°F (3°C)	1.2 in
April	50°F (10°C)	2.2 in
May	60°F (16°C)	2.9 in
June	69°F (20°C)	4.1 in
July	74°F (23°C)	11.6 in	Wettest
August	74°F (23°C)	9.4 in	Warmest
September	65°F (18°C)	4.7 in
October	53°F (12°C)	1.6 in
November	39°F (4°C)	1.4 in
December	27°F (-3°C)	0.8 in

Sinmak has a seasonal temperature swing of 53°F / from 21°F in January to 74°F in August. Total annual precipitation is 40.9 inches, with July being the wettest month (11.6") and February the driest (0.4").

View full weather details →