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Weather & Climate in Cheongju-si, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cheongju-si experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 77°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 49.8 inches (wetter than the 38-inch national average). The area receives 3.5 inches of snow annually. The city sits at an elevation of 161 feet.
Temperature
26°F Jan (-3°C)
77°F Jul (25°C)
| Annual Average | 52.8°F |
| 2% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 363.1 sq mi (940.3 km²) |
| Population Density | 2,352/sq mi |
| Coordinates | 36.6372°N, 127.4897°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
4 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 | 126 km | 10 km |
| Jan 20, 2007 | 25 km NNE of Pyeongchang, South Korea | M4.7 | 138 km | 10 km |
| Jun 11, 2024 | 3 km NW of Puan, South Korea | M4.4 | 121 km | 10 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 45 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 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 | 222 km |
| 2020 | Bavi | Category 2 | 92 mph | 243 km |
| 2020 | Haishen | Category 1 | 92 mph | 149 km |
| 2020 | Maysak | Category 1 | 92 mph | 169 km |
| 2019 | Lingling | Category 2 | 75 mph | 232 km |
| 2016 | Chaba | Category 1 | 75 mph | 255 km |
| 2012 | Sanba | Category 2 | 86 mph | 183 km |
| 2010 | Kompasu | Category 2 | 81 mph | 144 km |
| 2007 | Nari | Category 1 | 75 mph | 238 km |
| 2003 | Maemi | Category 2 | 86 mph | 158 km |
| 2003 | Soudelor | Category 1 | 69 mph | 277 km |
| 2002 | Rusa | Category 1 | 81 mph | 271 km |
| 2000 | Saomai | Category 1 | 69 mph | 298 km |
| 2000 | Prapiroon | Category 1 | 69 mph | 225 km |
| 1999 | Olga | Category 1 | 63 mph | 209 km |
| 1995 | Faye | Category 2 | 75 mph | 101 km |
| 1991 | Caitlin | Category 1 | 81 mph | 269 km |
| 1987 | Dinah | Category 1 | 98 mph | 253 km |
| 1987 | Thelma | Category 1 | 86 mph | 272 km |
| 1985 | Kit | Category 1 | 52 mph | 278 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1700 | YELLOW SEA | Earthquake | — | — | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Ch'uga-ryong (189 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ch'uga-ryong | Shield | 452 m (1,483 ft) | Unknown | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.1 in | Coldest, Driest |
| February | 31°F (-1°C) | 1.3 in | |
| March | 40°F (5°C) | 2.1 in | |
| April | 53°F (12°C) | 3.3 in | |
| May | 63°F (17°C) | 3.6 in | |
| June | 71°F (22°C) | 5.8 in | |
| July | 77°F (25°C) | 11.6 in | Wettest |
| August | 77°F (25°C) | 10.4 in | Warmest |
| September | 67°F (20°C) | 5.8 in | |
| October | 56°F (13°C) | 1.9 in | |
| November | 43°F (6°C) | 1.9 in | |
| December | 31°F (-0°C) | 1.1 in |
Cheongju-si has a seasonal temperature swing of 51°F / from 26°F in January to 77°F in August. Total annual precipitation is 49.8 inches, with July being the wettest month (11.6") and January the driest (1.1").