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Weather & Climate in Donghae City, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Donghae City experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 31°F in January while summers reach 74°F in July. The area gets 243 sunny days per year, above the national average. Annual precipitation totals 51.3 inches (wetter than the 38-inch national average). The area receives 4.4 inches of snow annually. The city sits at an elevation of 79 feet.
Temperature
31°F Jan (-1°C)
74°F Jul (23°C)
| Annual Average | 53.3°F |
| 1% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 243 days/yr |
Geography
| Elevation | 79 ft (24 m) |
| Area | 2.8 sq mi (7.3 km²) |
| Population Density | 35,734/sq mi |
| Coordinates | 37.5439°N, 129.1069°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| May 29, 2004 | 78 km NE of Heunghae, South Korea | M5.3 | 125 km | 29 km |
| Dec 13, 1996 | 20 km W of T’aebaek, South Korea | M4.8 | 54 km | 10 km |
| Jan 20, 2007 | 25 km NNE of Pyeongchang, South Korea | M4.7 | 56 km | 10 km |
| Apr 19, 2019 | 50 km NE of Tonghae, South Korea | M4.4 | 51 km | 10 km |
| Jan 23, 1996 | 40 km ENE of Santyoku, South Korea | M4.3 | 44 km | 57 km |
| Oct 6, 1995 | 45 km ESE of Santyoku, South Korea | M4.3 | 55 km | 33 km |
| May 14, 2023 | 45 km NE of Tonghae, South Korea | M3.9 | 45 km | 13 km |
| Dec 9, 2000 | 60 km NE of Heunghae, South Korea | M3.8 | 142 km | 33 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 137 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Hinnamnor | Category 1 | 81 mph | 178 km |
| 2020 | Maysak | Category 1 | 86 mph | 52 km |
| 2020 | Haishen | Category 1 | 81 mph | 61 km |
| 2012 | Sanba | Category 1 | 81 mph | 284 km |
| 2010 | Kompasu | Category 1 | 58 mph | 179 km |
| 2003 | Maemi | Category 2 | 86 mph | 86 km |
| 2003 | Soudelor | Category 1 | 63 mph | 290 km |
| 1995 | Faye | Category 2 | 69 mph | 90 km |
| 1993 | Robyn | Category 1 | 92 mph | 233 km |
| 1991 | Caitlin | Category 1 | 75 mph | 208 km |
| 1987 | Dinah | Category 1 | 86 mph | 203 km |
| 1985 | Pat | Category 1 | 69 mph | 234 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Ulreung (156 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ulreung | Stratovolcano | 984 m (3,228 ft) | -2990 | 156 km |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 179 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 2.2 in | Coldest |
| February | 33°F (1°C) | 2.2 in | |
| March | 41°F (5°C) | 2.6 in | |
| April | 53°F (12°C) | 3.0 in | |
| May | 62°F (16°C) | 2.9 in | |
| June | 67°F (20°C) | 4.4 in | |
| July | 74°F (23°C) | 7.8 in | |
| August | 75°F (24°C) | 10.3 in | Warmest, Wettest |
| September | 66°F (19°C) | 7.4 in | |
| October | 57°F (14°C) | 3.7 in | |
| November | 46°F (8°C) | 3.0 in | |
| December | 36°F (2°C) | 1.7 in | Driest |
Donghae City has a seasonal temperature swing of 44°F / from 31°F in January to 75°F in August. Total annual precipitation is 51.3 inches, with August being the wettest month (10.3") and December the driest (1.7").