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Weather & Climate in Imsil, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Imsil experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 28°F in January while summers reach 76°F in July. The area gets 241 sunny days per year, above the national average. Annual precipitation totals 52.4 inches (wetter than the 38-inch national average). The area receives 4.3 inches of snow annually. The city sits at an elevation of 764 feet.
Temperature
28°F Jan (-2°C)
76°F Jul (24°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 241 days/yr |
Geography
| Elevation | 764 ft (233 m) |
| Area | 230.5 sq mi (596.9 km²) |
| Population Density | 111/sq mi |
| Coordinates | 35.6131°N, 127.2794°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (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 | 54 km | 10 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 136 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
28 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 | 174 km |
| 2020 | Haishen | Category 2 | 98 mph | 174 km |
| 2020 | Bavi | Category 2 | 98 mph | 245 km |
| 2020 | Maysak | Category 1 | 92 mph | 147 km |
| 2019 | Lingling | Category 2 | 81 mph | 224 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 267 km |
| 2016 | Chaba | Category 1 | 81 mph | 154 km |
| 2013 | Danas | Category 1 | 69 mph | 240 km |
| 2012 | Sanba | Category 2 | 98 mph | 101 km |
| 2010 | Kompasu | Category 3 | 81 mph | 190 km |
| 2007 | Nari | Category 1 | 86 mph | 124 km |
| 2004 | Megi | Category 1 | 75 mph | 284 km |
| 2003 | Maemi | Category 3 | 92 mph | 122 km |
| 2003 | Soudelor | Category 1 | 69 mph | 235 km |
| 2002 | Rusa | Category 1 | 81 mph | 158 km |
| 2000 | Saomai | Category 1 | 69 mph | 194 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 262 km |
| 1999 | Olga | Category 1 | 69 mph | 125 km |
| 1995 | Faye | Category 3 | 81 mph | 80 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 | — | — | 121 km |
| 1649 | YELLOW SEA | Earthquake | — | — | 116 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.3 in | Coldest, Driest |
| February | 32°F (-0°C) | 1.7 in | |
| March | 41°F (5°C) | 2.2 in | |
| April | 52°F (11°C) | 3.9 in | |
| May | 61°F (16°C) | 3.7 in | |
| June | 69°F (21°C) | 7.0 in | |
| July | 76°F (24°C) | 12.0 in | Wettest |
| August | 76°F (25°C) | 9.6 in | Warmest |
| September | 67°F (20°C) | 5.6 in | |
| October | 56°F (13°C) | 2.2 in | |
| November | 44°F (7°C) | 1.9 in | |
| December | 33°F (1°C) | 1.3 in |
Imsil has a seasonal temperature swing of 48°F / from 28°F in January to 76°F in August. Total annual precipitation is 52.4 inches, with July being the wettest month (12.0") and January the driest (1.3").