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Weather & Climate in Yeonil, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yeonil experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 75°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.7 inches. The area receives 2.9 inches of snow annually. The city sits at an elevation of 13 feet.
Temperature
31°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 54.4°F |
| 1% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 23.1 sq mi (59.7 km²) |
| Population Density | 1,499/sq mi |
| Coordinates | 36.0045°N, 129.3185°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
15 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 | 27 km | 13 km |
| May 29, 2004 | 78 km NE of Heunghae, South Korea | M5.3 | 89 km | 29 km |
| Sep 12, 2016 | 14km SW of Gyeongju, South Korea | M4.9 | 35 km | 10 km |
| Dec 13, 1996 | 20 km W of T’aebaek, South Korea | M4.8 | 136 km | 10 km |
| Jun 25, 1997 | 3 km SW of Gyeongju, South Korea | M4.7 | 24 km | 10 km |
| Feb 10, 2018 | 5 km SW of Heunghae, South Korea | M4.7 | 8 km | 5 km |
| Jul 5, 2016 | 52 km E of Ulsan, South Korea | M4.7 | 74 km | 10 km |
| Sep 19, 2016 | 10 km SSW of Gyeongju, South Korea | M4.6 | 30 km | 9 km |
| Nov 9, 1995 | 79 km ENE of Heunghae, South Korea | M4.5 | 86 km | 33 km |
| Dec 13, 1992 | 66 km E of Ulsan, South Korea | M4.4 | 85 km | 27 km |
| Oct 6, 1995 | 45 km ESE of Santyoku, South Korea | M4.3 | 148 km | 33 km |
| Oct 7, 1995 | 75 km E of Ulsan, South Korea | M4.0 | 87 km | 54 km |
| Dec 9, 2000 | 60 km NE of Heunghae, South Korea | M3.8 | 70 km | 33 km |
| Jan 29, 2020 | 21 km WNW of Mungyeong, South Korea | M3.5 | 141 km | 10 km |
| Sep 21, 2016 | 9km SSE of Gyeongju, South Korea | M3.5 | 28 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 | Nanmadol | Category 1 | 75 mph | 292 km |
| 2022 | Hinnamnor | Category 1 | 81 mph | 90 km |
| 2020 | Haishen | Category 1 | 92 mph | 57 km |
| 2020 | Maysak | Category 1 | 92 mph | 68 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 245 km |
| 2016 | Chaba | Category 1 | 81 mph | 210 km |
| 2015 | Goni | Category 2 | 81 mph | 176 km |
| 2013 | Danas | Category 1 | 69 mph | 267 km |
| 2012 | Sanba | Category 2 | 86 mph | 143 km |
| 2010 | Kompasu | Category 1 | 58 mph | 299 km |
| 2007 | Nari | Category 1 | 81 mph | 242 km |
| 2007 | Usagi | Category 1 | 63 mph | 235 km |
| 2006 | Shanshan | Category 1 | 81 mph | 244 km |
| 2005 | Nabi | Category 1 | 75 mph | 206 km |
| 2004 | Songda | Category 2 | 86 mph | 272 km |
| 2003 | Maemi | Category 3 | 92 mph | 31 km |
| 2003 | Soudelor | Category 1 | 69 mph | 120 km |
| 2002 | Rusa | Category 1 | 81 mph | 266 km |
| 2000 | Saomai | Category 1 | 69 mph | 249 km |
| 1999 | Bart | Category 2 | 92 mph | 268 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 | — | — | 58 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.3 in | Coldest |
| February | 35°F (1°C) | 1.6 in | |
| March | 43°F (6°C) | 2.3 in | |
| April | 54°F (12°C) | 3.4 in | |
| May | 62°F (17°C) | 3.2 in | |
| June | 69°F (20°C) | 5.6 in | |
| July | 75°F (24°C) | 8.2 in | Wettest |
| August | 76°F (25°C) | 8.0 in | Warmest |
| September | 68°F (20°C) | 5.3 in | |
| October | 58°F (14°C) | 2.1 in | |
| November | 47°F (8°C) | 1.8 in | |
| December | 36°F (2°C) | 0.9 in | Driest |
Yeonil has a seasonal temperature swing of 45°F / from 31°F in January to 76°F in August. Total annual precipitation is 43.7 inches, with July being the wettest month (8.2") and December the driest (0.9").