Weather & Climate in Sunan, North Korea

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Sunan experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 19°F in January while summers reach 74°F in July. Annual precipitation totals 41.6 inches. The area receives 2.0 inches of snow annually. The city sits at an elevation of 121 feet.

Temperature

19°F Jan (-7°C) 74°F Jul (23°C)
Annual Average48.6°F
10% below US avg
January Average19°F (-7°C)
July Average74°F (23°C)

Geography

Elevation121 ft (37 m)
Area65.5 sq mi (169.6 km²)
Population Density1,402/sq mi
Coordinates39.2032°N, 125.6931°E
TimezoneAsia/Pyongyang

Precipitation & Snow

Annual Rainfall 41.6"
9% above US avg
Snowfall 2.0"
Wettest Month (Jul) 11.22"
Driest Month (Dec) 0.63"

Air Quality

Earthquake History

3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.

Nov 11, 1992 8 km NW of Chunghwa, North Korea M4.3 31 km 10 km
May 11, 2020 32 km E of Koksan, North Korea M3.8 127 km 10 km
Jun 27, 2019 10 km W of Chunghwa, North Korea M3.6 39 km 10 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Hurricane History

4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.

Year Name Category Max Wind Closest
2020 Bavi Category 1 81 mph 77 km
2019 Lingling Category 1 69 mph 151 km
2010 Kompasu Category 1 58 mph 179 km
2000 Prapiroon Category 1 69 mph 218 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).

Nearby Volcanoes

1 volcano within 200 km. Closest: Ch'uga-ryong (172 km).

Name Type Elevation Last Eruption Distance
Ch'uga-ryong Shield 452 m (1,483 ft) Unknown 172 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 19°F (-7°C) 0.7 in Coldest
February 25°F (-4°C) 0.7 in
March 36°F (2°C) 1.0 in
April 49°F (10°C) 2.1 in
May 60°F (16°C) 2.9 in
June 69°F (20°C) 4.6 in
July 74°F (23°C) 11.2 in Wettest
August 74°F (23°C) 9.5 in Warmest
September 64°F (18°C) 5.0 in
October 52°F (11°C) 1.8 in
November 38°F (3°C) 1.5 in
December 24°F (-4°C) 0.6 in Driest

Sunan has a seasonal temperature swing of 55°F / from 19°F in January to 74°F in August. Total annual precipitation is 41.6 inches, with July being the wettest month (11.2") and December the driest (0.6").

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