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Weather & Climate in Heigou, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heigou experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 20°F in January while summers reach 75°F in July. The area gets 298 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 30.7 inches. The area receives 11.2 inches of snow annually. The city sits at an elevation of 72 feet.
Temperature
20°F Jan (-7°C)
75°F Jul (24°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 298 days/yr |
Geography
| Elevation | 72 ft (22 m) |
| Area | 35.5 sq mi (91.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 40.0818°N, 123.6070°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
19 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Jan 11, 2000 | Liaoning, China | M5.1 | 70 km | 10 km |
| Nov 29, 1999 | 37 km WNW of Xiuyan, China | M5.0 | 74 km | 10 km |
| Aug 23, 2023 | 16 km E of Pulandian, China | M4.7 | 146 km | 10 km |
| Feb 1, 2012 | 26 km SSE of Yingkou, China | M4.6 | 118 km | 7 km |
| Aug 4, 2015 | 32 km SSE of Yingkou, China | M4.6 | 114 km | 38 km |
| Apr 15, 1995 | 24 km WNW of Haicheng, China | M4.5 | 133 km | 29 km |
| Apr 18, 1993 | 4 km E of Gongchangling, China | M4.5 | 115 km | 10 km |
| Nov 30, 1999 | 44 km WSW of Xiuyan, China | M4.4 | 69 km | 33 km |
| Nov 29, 1999 | 27 km WNW of Xiuyan, China | M4.4 | 63 km | 10 km |
| Feb 1, 2012 | 20 km S of Dashiqiao, China | M4.3 | 105 km | 10 km |
| Nov 29, 1999 | 18 km WNW of Nantai, China | M4.3 | 132 km | 10 km |
| May 23, 2000 | 35 km ESE of Dashiqiao, China | M4.3 | 78 km | 33 km |
| Jul 12, 2012 | 29 km SSW of Dashiqiao, China | M4.2 | 114 km | 34 km |
| Apr 25, 1993 | 13 km S of Zhuanghe, China | M4.1 | 75 km | 33 km |
| Jan 1, 2009 | 34 km SE of Haicheng, China | M4.1 | 78 km | 10 km |
| Nov 29, 1999 | 49 km SSE of Dashiqiao, China | M4.0 | 84 km | 10 km |
| Jun 16, 2002 | 34 km ESE of Dashiqiao, China | M4.0 | 80 km | 33 km |
| Oct 3, 1993 | 33 km SSE of Xiuyan, China | M4.0 | 11 km | 10 km |
| Jan 29, 1998 | 12 km SSW of Xiuyan, China | M3.6 | 35 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Bavi | Category 1 | 63 mph | 142 km |
| 2019 | Lingling | Category 1 | 69 mph | 279 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1921 | XIAOSI, DANDONG, LIAONING | Earthquake | — | — | 66 km |
Source: NOAA/NCEI Historical Tsunami Database.