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Weather & Climate in Jenzan, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jenzan experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 29°F in January while summers reach 76°F in July. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.9 inches (wetter than the 38-inch national average). The area receives 3.1 inches of snow annually. The city sits at an elevation of 157 feet.
Temperature
29°F Jan (-2°C)
76°F Jul (24°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 157 ft (48 m) |
| Area | 326.4 sq mi (845.5 km²) |
| Population Density | 63/sq mi |
| Coordinates | 36.2408°N, 128.2975°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Sep 12, 2016 | 6km S of Gyeongju, South Korea | M5.4 | 97 km | 13 km |
| Sep 12, 2016 | 14km SW of Gyeongju, South Korea | M4.9 | 91 km | 10 km |
| Dec 13, 1996 | 20 km W of T’aebaek, South Korea | M4.8 | 108 km | 10 km |
| Jun 25, 1997 | 3 km SW of Gyeongju, South Korea | M4.7 | 93 km | 10 km |
| Feb 10, 2018 | 5 km SW of Heunghae, South Korea | M4.7 | 92 km | 5 km |
| Sep 19, 2016 | 10 km SSW of Gyeongju, South Korea | M4.6 | 94 km | 9 km |
| Dec 9, 2000 | 60 km NE of Heunghae, South Korea | M3.8 | 144 km | 33 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 57 km | 10 km |
| Sep 21, 2016 | 9km SSE of Gyeongju, South Korea | M3.5 | 100 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
24 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Hinnamnor | Category 1 | 81 mph | 142 km |
| 2020 | Haishen | Category 1 | 92 mph | 111 km |
| 2020 | Maysak | Category 1 | 92 mph | 99 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 284 km |
| 2016 | Chaba | Category 1 | 75 mph | 206 km |
| 2015 | Goni | Category 2 | 81 mph | 270 km |
| 2013 | Danas | Category 1 | 69 mph | 283 km |
| 2012 | Sanba | Category 2 | 86 mph | 127 km |
| 2010 | Kompasu | Category 1 | 69 mph | 228 km |
| 2007 | Nari | Category 1 | 81 mph | 210 km |
| 2005 | Nabi | Category 1 | 75 mph | 299 km |
| 2003 | Maemi | Category 3 | 92 mph | 74 km |
| 2003 | Soudelor | Category 1 | 69 mph | 194 km |
| 2002 | Rusa | Category 1 | 81 mph | 241 km |
| 2000 | Saomai | Category 1 | 69 mph | 250 km |
| 1999 | Olga | Category 1 | 63 mph | 238 km |
| 1995 | Faye | Category 2 | 75 mph | 27 km |
| 1993 | Robyn | Category 1 | 92 mph | 228 km |
| 1991 | Caitlin | Category 1 | 86 mph | 186 km |
| 1987 | Dinah | Category 1 | 98 mph | 169 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1643 | SEA OF JAPAN | Earthquake | — | — | 136 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 0.9 in | Coldest |
| February | 33°F (0°C) | 1.3 in | |
| March | 42°F (6°C) | 2.1 in | |
| April | 54°F (12°C) | 3.4 in | |
| May | 63°F (17°C) | 3.4 in | |
| June | 71°F (21°C) | 5.9 in | |
| July | 76°F (24°C) | 10.6 in | Wettest |
| August | 76°F (25°C) | 8.9 in | Warmest |
| September | 67°F (20°C) | 5.3 in | |
| October | 56°F (13°C) | 1.8 in | |
| November | 44°F (7°C) | 1.5 in | |
| December | 33°F (1°C) | 0.9 in | Driest |
Jenzan has a seasonal temperature swing of 47°F / from 29°F in January to 76°F in August. Total annual precipitation is 46.0 inches, with July being the wettest month (10.6") and December the driest (0.9").