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Weather & Climate in Hyesan, North Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hyesan has a cool climate with an average annual temperature of 36°F (2°C). Winters average 1°F in January while summers reach 65°F in July / a wide seasonal temperature swing of 64°F. The area gets 285 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 28.2 inches (drier than the 38-inch national average). The area receives 3.1 inches of snow annually. The city sits at an elevation of 2,326 feet.
Temperature
1°F Jan (-17°C)
65°F Jul (19°C)
| Annual Average | 36.0°F |
| 33% below US avg | |
| January Average | 1°F (-17°C) |
| July Average | 65°F (19°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 2,326 ft (709 m) |
| Area | 107.0 sq mi (277.0 km²) |
| Population Density | 1,802/sq mi |
| Coordinates | 41.4017°N, 128.1778°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 | 88 km | 10 km |
| Sep 23, 2017 | 21 km ENE of S?ngjibaegam, North Korea | M3.6 | 73 km | 5 km |
| Oct 12, 2017 | 22 km ENE of S?ngjibaegam, North Korea | M2.9 | 71 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Changbaishan (65 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Changbaishan | Stratovolcano | 2,744 m (9,003 ft) | 1903 | 65 km |
| Longgang Group | Pyroclastic cone(s) | 1,000 m (3,281 ft) | 350 | 173 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 1°F (-17°C) | 0.4 in | Coldest, Driest |
| February | 8°F (-13°C) | 0.4 in | |
| March | 23°F (-5°C) | 0.8 in | |
| April | 39°F (4°C) | 1.7 in | |
| May | 51°F (11°C) | 2.4 in | |
| June | 59°F (15°C) | 4.5 in | |
| July | 65°F (19°C) | 6.3 in | Warmest, Wettest |
| August | 64°F (18°C) | 6.1 in | |
| September | 53°F (12°C) | 3.0 in | |
| October | 39°F (4°C) | 1.1 in | |
| November | 22°F (-5°C) | 0.9 in | |
| December | 7°F (-14°C) | 0.6 in |
Hyesan has a seasonal temperature swing of 64°F / from 1°F in January to 65°F in July. Total annual precipitation is 28.1 inches, with July being the wettest month (6.3") and January the driest (0.4").