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Weather & Climate in Hòa Mạc, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hòa Mạc 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 220 sunny days per year. Annual precipitation totals 66.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 30 feet.
Temperature
62°F Jan (17°C)
85°F Jul (29°C)
| Annual Average | 74.7°F |
| 38% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 220 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 28.4 sq mi (73.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 20.6417°N, 105.9890°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jul 27, 2020 | ~120km W of Hanoi, Vietnam | M4.9 | 144 km | 10 km |
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 45 km | 10 km |
| Sep 19, 2010 | 71 km SSW of Hòa Bình, Vietnam | M4.0 | 109 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
28 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 227 km |
| 2025 | Matmo | Category 1 | — | 295 km |
| 2025 | Bualoi | Category 1 | — | 272 km |
| 2024 | Yagi | Category 3 | 104 mph | 40 km |
| 2016 | Mirinae | Category 1 | 52 mph | 54 km |
| 2014 | Rammasun | Category 3 | 58 mph | 214 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 129 km |
| 2013 | Haiyan | Category 1 | 75 mph | 142 km |
| 2012 | Son-tinh | Category 3 | 92 mph | 64 km |
| 2003 | Krovanh | Category 2 | 63 mph | 134 km |
| 1997 | Zita | Category 1 | 58 mph | 63 km |
| 1996 | Niki | Category 2 | 75 mph | 82 km |
| 1996 | Sally | Category 2 | 63 mph | 210 km |
| 1996 | Frankie | Category 2 | 58 mph | 39 km |
| 1996 | Willie | Category 1 | 52 mph | 203 km |
| 1995 | Ted | Category 1 | 58 mph | 258 km |
| 1995 | Lois | Category 1 | 58 mph | 149 km |
| 1993 | Lewis | Category 1 | 63 mph | 201 km |
| 1991 | Fred | Category 2 | 75 mph | 282 km |
| 1991 | Zeke | Category 1 | 63 mph | 258 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 0.7 in | Coldest, Driest |
| February | 64°F (18°C) | 1.3 in | |
| March | 68°F (20°C) | 1.4 in | |
| April | 75°F (24°C) | 2.5 in | |
| May | 81°F (27°C) | 7.1 in | |
| June | 84°F (29°C) | 8.5 in | |
| July | 85°F (29°C) | 11.2 in | Warmest |
| August | 83°F (28°C) | 12.6 in | |
| September | 81°F (27°C) | 13.2 in | Wettest |
| October | 77°F (25°C) | 5.0 in | |
| November | 71°F (22°C) | 1.8 in | |
| December | 65°F (18°C) | 0.9 in |
Hòa Mạc has a seasonal temperature swing of 23°F / from 62°F in January to 85°F in July. Total annual precipitation is 66.2 inches, with September being the wettest month (13.2") and January the driest (0.7").