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Weather & Climate in Gwangyang, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gwangyang enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 77°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 55.2 inches (wetter than the 38-inch national average). The area receives 1.0 inches of snow annually. The city sits at an elevation of 79 feet.
Temperature
35°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 56.5°F |
| 5% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 79 ft (24 m) |
| Area | 177.2 sq mi (458.9 km²) |
| Population Density | 871/sq mi |
| Coordinates | 34.9414°N, 127.6957°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 | 127 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
36 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 | 90 km |
| 2020 | Haishen | Category 2 | 98 mph | 150 km |
| 2020 | Maysak | Category 2 | 92 mph | 99 km |
| 2019 | Lingling | Category 2 | 81 mph | 257 km |
| 2018 | Kong-rey | Category 1 | 75 mph | 259 km |
| 2018 | Soulik | Category 1 | 81 mph | 288 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 188 km |
| 2016 | Chaba | Category 2 | 81 mph | 71 km |
| 2015 | Goni | Category 3 | 98 mph | 277 km |
| 2013 | Danas | Category 1 | 75 mph | 157 km |
| 2012 | Sanba | Category 2 | 98 mph | 49 km |
| 2010 | Kompasu | Category 3 | 81 mph | 259 km |
| 2007 | Nari | Category 2 | 86 mph | 56 km |
| 2006 | Shanshan | Category 1 | 92 mph | 269 km |
| 2005 | Nabi | Category 2 | 81 mph | 290 km |
| 2004 | Songda | Category 2 | 86 mph | 295 km |
| 2004 | Megi | Category 1 | 75 mph | 205 km |
| 2003 | Maemi | Category 3 | 104 mph | 55 km |
| 2003 | Soudelor | Category 1 | 69 mph | 161 km |
| 2002 | Rusa | Category 1 | 81 mph | 87 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 1.0 in | Coldest |
| February | 37°F (3°C) | 1.6 in | |
| March | 45°F (7°C) | 2.7 in | |
| April | 55°F (13°C) | 4.8 in | |
| May | 64°F (18°C) | 5.0 in | |
| June | 70°F (21°C) | 8.3 in | |
| July | 77°F (25°C) | 10.8 in | Wettest |
| August | 78°F (26°C) | 10.2 in | Warmest |
| September | 71°F (21°C) | 5.9 in | |
| October | 60°F (16°C) | 2.2 in | |
| November | 49°F (9°C) | 1.8 in | |
| December | 38°F (4°C) | 0.8 in | Driest |
Gwangyang has a seasonal temperature swing of 44°F / from 35°F in January to 78°F in August. Total annual precipitation is 55.2 inches, with July being the wettest month (10.8") and December the driest (0.8").