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Weather & Climate in Nam Định, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nam Định has a warm climate with an average annual temperature of 75°F (24°C). Winters average 62°F in January while summers reach 85°F in July. The area gets 218 sunny days per year. Annual precipitation totals 66.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
62°F Jan (17°C)
85°F Jul (29°C)
| Annual Average | 74.9°F |
| 39% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 218 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 17.9 sq mi (46.4 km²) |
| Population Density | 25,013/sq mi |
| Coordinates | 20.4339°N, 106.1773°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 | 69 km | 10 km |
| Sep 19, 2010 | 71 km SSW of Hòa Bình, Vietnam | M4.0 | 121 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 | — | 206 km |
| 2025 | Matmo | Category 1 | — | 291 km |
| 2025 | Bualoi | Category 1 | — | 248 km |
| 2024 | Yagi | Category 3 | 104 mph | 66 km |
| 2017 | Doksuri | Category 2 | 92 mph | 294 km |
| 2016 | Mirinae | Category 1 | 52 mph | 26 km |
| 2014 | Rammasun | Category 3 | 58 mph | 223 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 145 km |
| 2013 | Haiyan | Category 1 | 75 mph | 128 km |
| 2013 | Wutip | Category 1 | 69 mph | 296 km |
| 2012 | Son-tinh | Category 3 | 92 mph | 47 km |
| 2010 | Mindulle | Category 1 | 52 mph | 285 km |
| 2007 | Lekima | Category 1 | 63 mph | 284 km |
| 2003 | Krovanh | Category 2 | 75 mph | 140 km |
| 2000 | Wukong | Category 1 | 63 mph | 295 km |
| 1997 | Zita | Category 1 | 58 mph | 86 km |
| 1996 | Niki | Category 2 | 75 mph | 72 km |
| 1996 | Sally | Category 2 | 63 mph | 213 km |
| 1996 | Frankie | Category 2 | 58 mph | 20 km |
| 1996 | Willie | Category 1 | 52 mph | 172 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 1.0 in | Coldest |
| February | 64°F (18°C) | 1.7 in | |
| March | 68°F (20°C) | 1.7 in | |
| April | 75°F (24°C) | 2.4 in | |
| May | 81°F (27°C) | 6.7 in | |
| June | 85°F (29°C) | 7.4 in | |
| July | 85°F (29°C) | 10.0 in | Warmest |
| August | 83°F (29°C) | 12.7 in | |
| September | 81°F (27°C) | 13.8 in | Wettest |
| October | 77°F (25°C) | 5.4 in | |
| November | 71°F (22°C) | 2.1 in | |
| December | 65°F (19°C) | 1.0 in | Driest |
Nam Định has a seasonal temperature swing of 23°F / from 62°F in January to 85°F in July. Total annual precipitation is 66.0 inches, with September being the wettest month (13.8") and December the driest (1.0").