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Weather & Climate in Iwŏn-ŭp, North Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Iwŏn-ŭp experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 23°F in January while summers reach 69°F in July. The area gets 278 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 31.9 inches. The area receives 3.7 inches of snow annually. The city sits at an elevation of 7 feet.
Temperature
23°F Jan (-5°C)
69°F Jul (21°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 400.7 sq mi (1,037.9 km²) |
| Population Density | 66/sq mi |
| Coordinates | 40.3231°N, 128.6553°W |
| Timezone | Asia/Pyongyang |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 16, 2002 | 42 km N of Iw?n-?p, North Korea | M4.6 | 43 km | 10 km |
| Sep 23, 2017 | 21 km ENE of S?ngjibaegam, North Korea | M3.6 | 113 km | 5 km |
| Oct 12, 2017 | 22 km ENE of S?ngjibaegam, North Korea | M2.9 | 119 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2010 | Kompasu | Category 1 | 58 mph | 277 km |
| 2003 | Maemi | Category 1 | 63 mph | 299 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Changbaishan (190 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Changbaishan | Stratovolcano | 2,744 m (9,003 ft) | 1903 | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 0.8 in | Coldest, Driest |
| February | 27°F (-3°C) | 0.8 in | |
| March | 35°F (2°C) | 0.9 in | |
| April | 46°F (8°C) | 1.7 in | |
| May | 55°F (13°C) | 2.2 in | |
| June | 62°F (17°C) | 3.7 in | |
| July | 69°F (21°C) | 6.2 in | |
| August | 71°F (22°C) | 6.6 in | Warmest, Wettest |
| September | 63°F (17°C) | 4.5 in | |
| October | 53°F (11°C) | 1.7 in | |
| November | 40°F (4°C) | 1.6 in | |
| December | 28°F (-2°C) | 1.1 in |
Iwŏn-ŭp has a seasonal temperature swing of 48°F / from 23°F in January to 71°F in August. Total annual precipitation is 31.9 inches, with August being the wettest month (6.6") and January the driest (0.8").