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Weather & Climate in Nghi Sơn, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nghi Sơn has a warm climate with an average annual temperature of 75°F (24°C). Winters average 64°F in January while summers reach 85°F in July. The area gets 241 sunny days per year, above the national average. Annual precipitation totals 54.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 243 feet.
Temperature
64°F Jan (18°C)
85°F Jul (29°C)
| Annual Average | 75.2°F |
| 39% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 241 days/yr |
Geography
| Elevation | 243 ft (74 m) |
| Area | 57.0 sq mi (147.6 km²) |
| Population Density | 5,304/sq mi |
| Coordinates | 19.3275°N, 105.8215°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 150 km | 10 km |
| Sep 19, 2010 | 71 km SSW of Hòa Bình, Vietnam | M4.0 | 130 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
37 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 81 km |
| 2025 | Bualoi | Category 1 | — | 132 km |
| 2024 | Yagi | Category 3 | 104 mph | 186 km |
| 2020 | Vamco | Category 2 | 75 mph | 253 km |
| 2017 | Doksuri | Category 2 | 92 mph | 168 km |
| 2016 | Mirinae | Category 1 | 52 mph | 105 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 273 km |
| 2013 | Wutip | Category 2 | 75 mph | 170 km |
| 2013 | Haiyan | Category 1 | 75 mph | 197 km |
| 2012 | Son-tinh | Category 3 | 92 mph | 117 km |
| 2010 | Mindulle | Category 1 | 52 mph | 207 km |
| 2007 | Lekima | Category 1 | 63 mph | 174 km |
| 2003 | Krovanh | Category 2 | 63 mph | 266 km |
| 2003 | Nepartak | Category 1 | 63 mph | 290 km |
| 2000 | Wukong | Category 1 | 58 mph | 257 km |
| 1997 | Zita | Category 1 | 52 mph | 210 km |
| 1996 | Frankie | Category 2 | 58 mph | 109 km |
| 1996 | Niki | Category 2 | 75 mph | 73 km |
| 1996 | Willie | Category 1 | 52 mph | 155 km |
| 1995 | Ted | Category 1 | 58 mph | 250 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1899 | NORTH CENTRAL VIETNAM | Unknown | 3.0 m | — | 41 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 0.9 in | Coldest, Driest |
| February | 65°F (18°C) | 1.4 in | |
| March | 69°F (21°C) | 1.2 in | |
| April | 76°F (24°C) | 1.4 in | |
| May | 82°F (28°C) | 4.1 in | |
| June | 85°F (29°C) | 4.1 in | Warmest |
| July | 85°F (29°C) | 7.0 in | |
| August | 84°F (29°C) | 7.4 in | |
| September | 81°F (27°C) | 15.1 in | Wettest |
| October | 77°F (25°C) | 7.1 in | |
| November | 71°F (22°C) | 3.4 in | |
| December | 66°F (19°C) | 1.7 in |
Nghi Sơn has a seasonal temperature swing of 21°F / from 64°F in January to 85°F in June. Total annual precipitation is 54.8 inches, with September being the wettest month (15.1") and January the driest (0.9").