All Countries
Weather & Climate in Yangsan, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yangsan experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 32°F in January while summers reach 74°F in July. The area gets 240 sunny days per year, above the national average. Annual precipitation totals 53.2 inches (wetter than the 38-inch national average). The area receives 3.0 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
32°F Jan (0°C)
74°F Jul (23°C)
| Annual Average | 54.4°F |
| 1% above US avg | |
| January Average | 32°F (0°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 186.9 sq mi (484.2 km²) |
| Population Density | 1,915/sq mi |
| Coordinates | 35.3420°N, 129.0336°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Sep 12, 2016 | 6km S of Gyeongju, South Korea | M5.4 | 52 km | 13 km |
| Sep 12, 2016 | 14km SW of Gyeongju, South Korea | M4.9 | 45 km | 10 km |
| Jun 25, 1997 | 3 km SW of Gyeongju, South Korea | M4.7 | 55 km | 10 km |
| Feb 10, 2018 | 5 km SW of Heunghae, South Korea | M4.7 | 85 km | 5 km |
| Jul 5, 2016 | 52 km E of Ulsan, South Korea | M4.7 | 81 km | 10 km |
| Sep 19, 2016 | 10 km SSW of Gyeongju, South Korea | M4.6 | 48 km | 9 km |
| Jun 29, 2005 | 80 km SE of Kyosai, South Korea | M4.5 | 112 km | 15 km |
| Dec 13, 1992 | 66 km E of Ulsan, South Korea | M4.4 | 95 km | 27 km |
| May 13, 2006 | 84 km NNW of Hirado, Japan | M4.3 | 145 km | 20 km |
| Feb 25, 1996 | 76 km N of Hirado, Japan | M4.0 | 150 km | 33 km |
| Oct 7, 1995 | 75 km E of Ulsan, South Korea | M4.0 | 104 km | 54 km |
| Dec 9, 2000 | 60 km NE of Heunghae, South Korea | M3.8 | 143 km | 33 km |
| Sep 21, 2016 | 9km SSE of Gyeongju, South Korea | M3.5 | 50 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
37 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Hinnamnor | Category 2 | 86 mph | 22 km |
| 2022 | Nanmadol | Category 1 | 81 mph | 241 km |
| 2020 | Haishen | Category 2 | 98 mph | 23 km |
| 2020 | Maysak | Category 1 | 92 mph | 21 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 172 km |
| 2016 | Chaba | Category 2 | 81 mph | 135 km |
| 2015 | Goni | Category 3 | 92 mph | 173 km |
| 2013 | Danas | Category 1 | 75 mph | 189 km |
| 2012 | Sanba | Category 2 | 98 mph | 80 km |
| 2007 | Nari | Category 1 | 86 mph | 176 km |
| 2007 | Usagi | Category 1 | 69 mph | 236 km |
| 2006 | Shanshan | Category 1 | 92 mph | 195 km |
| 2005 | Nabi | Category 1 | 75 mph | 199 km |
| 2004 | Songda | Category 2 | 86 mph | 224 km |
| 2004 | Chaba | Category 2 | 81 mph | 278 km |
| 2004 | Megi | Category 1 | 75 mph | 274 km |
| 2003 | Maemi | Category 3 | 104 mph | 62 km |
| 2003 | Soudelor | Category 1 | 69 mph | 79 km |
| 2002 | Rusa | Category 1 | 81 mph | 196 km |
| 2000 | Saomai | Category 1 | 69 mph | 172 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1643 | SEA OF JAPAN | Earthquake | — | — | 46 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 1.3 in | Coldest |
| February | 35°F (2°C) | 1.7 in | |
| March | 43°F (6°C) | 2.8 in | |
| April | 53°F (12°C) | 4.5 in | |
| May | 61°F (16°C) | 4.7 in | |
| June | 67°F (20°C) | 7.8 in | |
| July | 74°F (23°C) | 10.2 in | Wettest |
| August | 76°F (24°C) | 9.1 in | Warmest |
| September | 68°F (20°C) | 6.1 in | |
| October | 58°F (15°C) | 2.2 in | |
| November | 47°F (8°C) | 1.9 in | |
| December | 37°F (3°C) | 0.9 in | Driest |
Yangsan has a seasonal temperature swing of 44°F / from 32°F in January to 76°F in August. Total annual precipitation is 53.2 inches, with July being the wettest month (10.2") and December the driest (0.9").