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Weather & Climate in Hợp Hòa, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hợp Hòa has a warm climate with an average annual temperature of 74°F (23°C). Winters average 62°F in January while summers reach 83°F in July. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 68.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 69 feet.
Temperature
62°F Jan (17°C)
83°F Jul (29°C)
| Annual Average | 74.0°F |
| 37% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 19.6 sq mi (50.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.3753°N, 105.5426°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jul 27, 2020 | ~120km W of Hanoi, Vietnam | M4.9 | 111 km | 10 km |
| Oct 6, 1991 | 33 km E of S?n La, Vietnam | M4.5 | 136 km | 10 km |
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 81 km | 10 km |
| Oct 23, 1993 | 20 km SSW of Yên Bái, Vietnam | M4.1 | 72 km | 33 km |
| Oct 11, 1991 | 11 km N of Tuyên Quang, Vietnam | M4.1 | 70 km | 10 km |
| Sep 19, 2010 | 71 km SSW of Hòa Bình, Vietnam | M4.0 | 137 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Yagi | Category 3 | 104 mph | 45 km |
| 2016 | Mirinae | Category 1 | 52 mph | 148 km |
| 2014 | Rammasun | Category 3 | 58 mph | 180 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 105 km |
| 2013 | Haiyan | Category 1 | 75 mph | 187 km |
| 2012 | Son-tinh | Category 3 | 81 mph | 133 km |
| 2003 | Krovanh | Category 2 | 63 mph | 141 km |
| 1997 | Zita | Category 1 | 52 mph | 61 km |
| 1996 | Frankie | Category 2 | 58 mph | 125 km |
| 1996 | Willie | Category 1 | 52 mph | 295 km |
| 1996 | Sally | Category 1 | 63 mph | 211 km |
| 1996 | Niki | Category 1 | 75 mph | 153 km |
| 1995 | Lois | Category 1 | 58 mph | 236 km |
| 1993 | Lewis | Category 1 | 58 mph | 295 km |
| 1989 | Brian | Category 1 | 58 mph | 300 km |
| 1982 | Nancy | Category 1 | 81 mph | 264 km |
| 1980 | Ruth | Category 1 | 63 mph | 204 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 | 63°F (17°C) | 1.3 in | |
| March | 67°F (20°C) | 1.5 in | |
| April | 74°F (24°C) | 3.5 in | |
| May | 81°F (27°C) | 7.5 in | |
| June | 84°F (29°C) | 9.6 in | Warmest |
| July | 83°F (29°C) | 12.8 in | Wettest |
| August | 83°F (28°C) | 12.6 in | |
| September | 81°F (27°C) | 9.5 in | |
| October | 76°F (25°C) | 4.9 in | |
| November | 70°F (21°C) | 1.8 in | |
| December | 65°F (18°C) | 0.9 in |
Hợp Hòa has a seasonal temperature swing of 21°F / from 62°F in January to 84°F in June. Total annual precipitation is 66.6 inches, with July being the wettest month (12.8") and January the driest (0.7").