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Weather & Climate in Naesŏ, South Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Naesŏ enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 33°F in January while summers reach 76°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 55.2 inches (wetter than the 38-inch national average). The area receives 1.1 inches of snow annually. The city sits at an elevation of 203 feet.
Temperature
33°F Jan (0°C)
76°F Jul (24°C)
| Annual Average | 55.5°F |
| 3% above US avg | |
| January Average | 33°F (0°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 203 ft (62 m) |
| Area | 38.2 sq mi (99.0 km²) |
| Population Density | 2,119/sq mi |
| Coordinates | 35.2497°N, 128.5200°W |
| Timezone | Asia/Seoul |
Precipitation & Snow
Air Quality
Earthquake History
10 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 | 86 km | 13 km |
| Sep 12, 2016 | 14km SW of Gyeongju, South Korea | M4.9 | 76 km | 10 km |
| Jun 25, 1997 | 3 km SW of Gyeongju, South Korea | M4.7 | 88 km | 10 km |
| Feb 10, 2018 | 5 km SW of Heunghae, South Korea | M4.7 | 116 km | 5 km |
| Jul 5, 2016 | 52 km E of Ulsan, South Korea | M4.7 | 129 km | 10 km |
| Sep 19, 2016 | 10 km SSW of Gyeongju, South Korea | M4.6 | 81 km | 9 km |
| Jun 29, 2005 | 80 km SE of Kyosai, South Korea | M4.5 | 119 km | 15 km |
| Dec 13, 1992 | 66 km E of Ulsan, South Korea | M4.4 | 142 km | 27 km |
| May 13, 2006 | 84 km NNW of Hirado, Japan | M4.3 | 145 km | 20 km |
| Sep 21, 2016 | 9km SSE of Gyeongju, South Korea | M3.5 | 86 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
34 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 | 62 km |
| 2022 | Nanmadol | Category 1 | 81 mph | 265 km |
| 2020 | Haishen | Category 2 | 98 mph | 68 km |
| 2020 | Maysak | Category 1 | 92 mph | 44 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 173 km |
| 2016 | Chaba | Category 2 | 81 mph | 102 km |
| 2015 | Goni | Category 3 | 92 mph | 212 km |
| 2013 | Danas | Category 1 | 75 mph | 172 km |
| 2012 | Sanba | Category 2 | 98 mph | 34 km |
| 2007 | Nari | Category 1 | 86 mph | 132 km |
| 2007 | Usagi | Category 1 | 69 mph | 282 km |
| 2006 | Shanshan | Category 1 | 92 mph | 221 km |
| 2005 | Nabi | Category 1 | 75 mph | 234 km |
| 2004 | Songda | Category 2 | 86 mph | 250 km |
| 2004 | Megi | Category 1 | 75 mph | 248 km |
| 2003 | Maemi | Category 3 | 104 mph | 44 km |
| 2003 | Soudelor | Category 1 | 69 mph | 120 km |
| 2002 | Rusa | Category 1 | 81 mph | 155 km |
| 2000 | Saomai | Category 1 | 69 mph | 144 km |
| 1999 | Bart | Category 2 | 92 mph | 280 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 | — | — | 93 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 1.1 in | Coldest |
| February | 36°F (2°C) | 1.6 in | |
| March | 44°F (7°C) | 2.6 in | |
| April | 55°F (13°C) | 4.8 in | |
| May | 63°F (17°C) | 5.0 in | |
| June | 69°F (21°C) | 8.2 in | |
| July | 76°F (24°C) | 11.0 in | Wettest |
| August | 77°F (25°C) | 10.0 in | Warmest |
| September | 69°F (21°C) | 6.2 in | |
| October | 59°F (15°C) | 2.1 in | |
| November | 47°F (9°C) | 1.8 in | |
| December | 37°F (3°C) | 0.8 in | Driest |
Naesŏ has a seasonal temperature swing of 45°F / from 33°F in January to 77°F in August. Total annual precipitation is 55.2 inches, with July being the wettest month (11.0") and December the driest (0.8").