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Weather & Climate in Dongnae, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dongnae experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 24°F in January while summers reach 74°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 59.8 inches (wetter than the 38-inch national average). The area receives 16.0 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 325 feet.
Temperature
24°F Jan (-5°C)
74°F Jul (23°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 325 ft (99 m) |
| Area | 431.1 sq mi (1,116.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 37.8475°N, 127.7616°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Dec 13, 1996 | 20 km W of T’aebaek, South Korea | M4.8 | 118 km | 10 km |
| Jan 20, 2007 | 25 km NNE of Pyeongchang, South Korea | M4.7 | 69 km | 10 km |
| May 14, 2023 | 45 km NE of Tonghae, South Korea | M3.9 | 150 km | 13 km |
| May 11, 2020 | 32 km E of Koksan, North Korea | M3.8 | 118 km | 10 km |
| Jan 8, 2023 | South Korea | M3.6 | 135 km | 17 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 131 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
9 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 | 291 km |
| 2020 | Bavi | Category 2 | 81 mph | 261 km |
| 2020 | Maysak | Category 1 | 86 mph | 159 km |
| 2020 | Haishen | Category 1 | 81 mph | 151 km |
| 2019 | Lingling | Category 1 | 75 mph | 225 km |
| 2010 | Kompasu | Category 2 | 69 mph | 57 km |
| 2003 | Maemi | Category 2 | 69 mph | 203 km |
| 2000 | Prapiroon | Category 1 | 69 mph | 242 km |
| 1995 | Faye | Category 2 | 69 mph | 143 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (66 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 66 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 0.7 in | Coldest, Driest |
| February | 27°F (-3°C) | 0.9 in | |
| March | 38°F (3°C) | 1.6 in | |
| April | 51°F (10°C) | 2.9 in | |
| May | 60°F (16°C) | 3.8 in | |
| June | 68°F (20°C) | 5.3 in | |
| July | 74°F (23°C) | 12.9 in | Wettest |
| August | 74°F (23°C) | 11.2 in | Warmest |
| September | 64°F (18°C) | 5.9 in | |
| October | 53°F (12°C) | 1.7 in | |
| November | 40°F (4°C) | 1.6 in | |
| December | 28°F (-2°C) | 0.9 in |
Dongnae has a seasonal temperature swing of 50°F / from 24°F in January to 74°F in August. Total annual precipitation is 49.4 inches, with July being the wettest month (12.9") and January the driest (0.7").