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Weather & Climate in Hòa Hợp, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hòa Hợp has a warm climate with an average annual temperature of 76°F (25°C). Winters average 66°F in January while summers reach 85°F in July / relatively mild seasonal variation. The area gets 185 sunny days per year. Annual precipitation totals 99.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
66°F Jan (19°C)
85°F Jul (29°C)
| Annual Average | 76.3°F |
| 41% above US avg | |
| January Average | 66°F (19°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 185 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 2,169.5 sq mi (5,619.0 km²) |
| Population Density | 2/sq mi |
| Coordinates | 18.3114°N, 105.9099°W |
| Timezone | Asia/Ho_Chi_Minh |
Precipitation & Snow
Air Quality
Hurricane History
32 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 32 km |
| 2025 | Bualoi | Category 1 | — | 33 km |
| 2024 | Yagi | Category 3 | 104 mph | 299 km |
| 2020 | Vamco | Category 2 | 75 mph | 162 km |
| 2017 | Doksuri | Category 2 | 92 mph | 58 km |
| 2016 | Mirinae | Category 1 | 52 mph | 212 km |
| 2013 | Wutip | Category 2 | 75 mph | 58 km |
| 2013 | Haiyan | Category 1 | 75 mph | 246 km |
| 2012 | Son-tinh | Category 3 | 92 mph | 146 km |
| 2010 | Mindulle | Category 1 | 52 mph | 149 km |
| 2007 | Lekima | Category 1 | 63 mph | 77 km |
| 2003 | Nepartak | Category 1 | 63 mph | 277 km |
| 2000 | Wukong | Category 1 | 58 mph | 232 km |
| 1996 | Frankie | Category 2 | 58 mph | 221 km |
| 1996 | Niki | Category 2 | 75 mph | 171 km |
| 1996 | Willie | Category 1 | 52 mph | 183 km |
| 1995 | Ted | Category 1 | 58 mph | 233 km |
| 1995 | Lois | Category 1 | 58 mph | 108 km |
| 1993 | Lewis | Category 1 | 63 mph | 121 km |
| 1991 | Fred | Category 2 | 75 mph | 54 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 | — | 77 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 66°F (19°C) | 5.2 in | Coldest |
| February | 67°F (20°C) | 3.3 in | |
| March | 72°F (22°C) | 2.7 in | |
| April | 78°F (25°C) | 2.6 in | Driest |
| May | 82°F (28°C) | 5.5 in | |
| June | 85°F (29°C) | 4.7 in | Warmest |
| July | 85°F (29°C) | 9.2 in | |
| August | 84°F (29°C) | 6.5 in | |
| September | 81°F (27°C) | 21.9 in | Wettest |
| October | 77°F (25°C) | 19.8 in | |
| November | 72°F (22°C) | 11.9 in | |
| December | 67°F (20°C) | 6.3 in |
Hòa Hợp has a seasonal temperature swing of 19°F / from 66°F in January to 85°F in June. Total annual precipitation is 99.5 inches, with September being the wettest month (21.9") and April the driest (2.6").