All Countries
Weather & Climate in Yeosu, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yeosu enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 35°F in January while summers reach 76°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 56.1 inches (wetter than the 38-inch national average). The area receives 1.1 inches of snow annually. The city sits at an elevation of 33 feet.
Temperature
35°F Jan (1°C)
76°F Jul (24°C)
| Annual Average | 56.3°F |
| 4% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 194.3 sq mi (503.3 km²) |
| Population Density | 1,383/sq mi |
| Coordinates | 34.7606°N, 127.6622°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Jun 11, 2024 | 3 km NW of Puan, South Korea | M4.4 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
40 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 | 74 km |
| 2022 | Nanmadol | Category 1 | 81 mph | 300 km |
| 2020 | Bavi | Category 3 | 98 mph | 299 km |
| 2020 | Haishen | Category 2 | 98 mph | 151 km |
| 2020 | Maysak | Category 2 | 92 mph | 86 km |
| 2019 | Lingling | Category 2 | 81 mph | 253 km |
| 2018 | Kong-rey | Category 1 | 75 mph | 239 km |
| 2018 | Soulik | Category 1 | 81 mph | 272 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 177 km |
| 2016 | Chaba | Category 2 | 81 mph | 57 km |
| 2015 | Goni | Category 3 | 98 mph | 278 km |
| 2013 | Danas | Category 1 | 75 mph | 141 km |
| 2012 | Sanba | Category 2 | 98 mph | 62 km |
| 2012 | Bolaven | Category 1 | 75 mph | 300 km |
| 2010 | Kompasu | Category 3 | 81 mph | 261 km |
| 2007 | Nari | Category 2 | 86 mph | 38 km |
| 2006 | Shanshan | Category 1 | 92 mph | 265 km |
| 2005 | Nabi | Category 2 | 86 mph | 283 km |
| 2004 | Songda | Category 2 | 86 mph | 285 km |
| 2004 | Megi | Category 1 | 75 mph | 185 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Halla (187 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Halla | Shield | 1,919 m (6,296 ft) | 1007 | 187 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 1.1 in | Coldest |
| February | 37°F (3°C) | 1.7 in | |
| March | 45°F (7°C) | 2.9 in | |
| April | 55°F (13°C) | 5.0 in | |
| May | 63°F (17°C) | 5.4 in | |
| June | 69°F (21°C) | 8.6 in | |
| July | 76°F (24°C) | 10.6 in | Wettest |
| August | 78°F (25°C) | 10.0 in | Warmest |
| September | 71°F (21°C) | 5.9 in | |
| October | 61°F (16°C) | 2.2 in | |
| November | 49°F (10°C) | 1.9 in | |
| December | 39°F (4°C) | 0.9 in | Driest |
Yeosu has a seasonal temperature swing of 43°F / from 35°F in January to 78°F in August. Total annual precipitation is 56.0 inches, with July being the wettest month (10.6") and December the driest (0.9").