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Weather & Climate in Beonam, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Beonam experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 74°F in July. The area gets 269 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 67.8 inches (wetter than the 38-inch national average). The area receives 13.0 inches of snow annually. The city sits at an elevation of 830 feet.
Temperature
31°F Jan (-0°C)
74°F Jul (23°C)
| Annual Average | 51.9°F |
| 4% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 830 ft (253 m) |
| Area | 206.0 sq mi (533.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 35.5324°N, 127.5437°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Sep 12, 2016 | 14km SW of Gyeongju, South Korea | M4.9 | 143 km | 10 km |
| Sep 19, 2016 | 10 km SSW of Gyeongju, South Korea | M4.6 | 149 km | 9 km |
| Jun 11, 2024 | 3 km NW of Puan, South Korea | M4.4 | 79 km | 10 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 135 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
29 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 | 155 km |
| 2020 | Bavi | Category 3 | 98 mph | 271 km |
| 2020 | Haishen | Category 2 | 98 mph | 150 km |
| 2020 | Maysak | Category 1 | 92 mph | 123 km |
| 2019 | Lingling | Category 2 | 81 mph | 249 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 245 km |
| 2016 | Chaba | Category 1 | 81 mph | 136 km |
| 2013 | Danas | Category 1 | 69 mph | 222 km |
| 2012 | Sanba | Category 2 | 98 mph | 77 km |
| 2010 | Kompasu | Category 3 | 81 mph | 216 km |
| 2007 | Nari | Category 1 | 86 mph | 116 km |
| 2004 | Megi | Category 1 | 75 mph | 272 km |
| 2003 | Maemi | Category 3 | 92 mph | 98 km |
| 2003 | Soudelor | Category 1 | 69 mph | 212 km |
| 2002 | Rusa | Category 1 | 81 mph | 149 km |
| 2000 | Saomai | Category 1 | 69 mph | 178 km |
| 2000 | Prapiroon | Category 1 | 69 mph | 287 km |
| 1999 | Olga | Category 1 | 69 mph | 145 km |
| 1995 | Faye | Category 3 | 81 mph | 56 km |
| 1994 | Seth | Category 1 | 58 mph | 208 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1700 | YELLOW SEA | Earthquake | — | — | 143 km |
| 1649 | YELLOW SEA | Earthquake | — | — | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 1.3 in | |
| February | 31°F (-1°C) | 1.7 in | Coldest |
| March | 40°F (4°C) | 2.3 in | |
| April | 51°F (11°C) | 4.2 in | |
| May | 60°F (16°C) | 3.9 in | |
| June | 68°F (20°C) | 7.3 in | |
| July | 74°F (23°C) | 12.3 in | Wettest |
| August | 75°F (24°C) | 10.0 in | Warmest |
| September | 66°F (19°C) | 5.8 in | |
| October | 55°F (13°C) | 2.2 in | |
| November | 43°F (6°C) | 1.9 in | |
| December | 32°F (-0°C) | 1.2 in | Driest |
Beonam has a seasonal temperature swing of 44°F / from 31°F in February to 75°F in August. Total annual precipitation is 54.1 inches, with July being the wettest month (12.3") and December the driest (1.2").