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 Average | 48.6°F |
| 10% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 121 ft (37 m) |
| Area | 65.5 sq mi (169.6 km²) |
| Population Density | 1,402/sq mi |
| Coordinates | 39.2032°N, 125.6931°E |
| Timezone | Asia/Pyongyang |
Precipitation & Snow
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").