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Weather & Climate in Longgang, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longgang experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 78°F in July. The area gets 292 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 24.1 inches (drier than the 38-inch national average). The area receives 1.1 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
28°F Jan (-2°C)
78°F Jul (25°C)
| Annual Average | 54.2°F |
| 0% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 347.9 sq mi (901.1 km²) |
| Population Density | 174/sq mi |
| Coordinates | 37.6518°N, 120.3306°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 18, 1997 | 48 km NE of Dengzhou, China | M4.8 | 89 km | 33 km |
| Jan 23, 2013 | 35 km NNE of Shengli, China | M4.6 | 145 km | 10 km |
| Nov 23, 2013 | 15 km SE of Laizhou, China | M4.6 | 68 km | 25 km |
| Jul 27, 2025 | 118 km NW of Longgang, China | M4.5 | 119 km | 10 km |
| Apr 12, 1997 | 59 km NNW of Dengzhou, China | M4.5 | 76 km | 33 km |
| Jan 18, 2005 | 4 km WSW of Dongcun, China | M4.5 | 121 km | 65 km |
| Sep 19, 2001 | 82 km WNW of Longgang, China | M4.4 | 83 km | 33 km |
| Aug 31, 2011 | 75 km WSW of Lüshun, China | M4.4 | 94 km | 10 km |
| Mar 2, 2017 | 43 km N of Dengzhou, China | M4.4 | 74 km | 13 km |
| Mar 24, 2017 | 131 km S of Changli, China | M4.3 | 133 km | 10 km |
| Mar 27, 2017 | 20 km NNW of Dengzhou, China | M4.3 | 46 km | 16 km |
| Jun 28, 2015 | 31 km W of Lüshun, China | M4.3 | 134 km | 15 km |
| Jul 25, 2007 | 37 km S of Ninghai, China | M4.2 | 128 km | 35 km |
| Jul 22, 2015 | 29 km N of Longgang, China | M4.2 | 30 km | 11 km |
| May 9, 2005 | 23 km NNW of Weihai, China | M4.0 | 144 km | 10 km |
| Mar 13, 1991 | 17 km N of Yantai, China | M4.0 | 99 km | 10 km |
| Mar 13, 1991 | 32 km ENE of Dengzhou, China | M4.0 | 74 km | 33 km |
| Aug 15, 1998 | 123 km NNE of Shengli, China | M3.9 | 135 km | 33 km |
| Nov 8, 1999 | 57 km SSE of Lüshun, China | M3.6 | 127 km | 33 km |
| Sep 1, 1991 | 123 km NNW of Longgang, China | M3.6 | 124 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.1 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1969 | BOHAI SEA | Earthquake | 0.1 m | 10 | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 0.3 in | Coldest, Driest |
| February | 31°F (-1°C) | 0.4 in | |
| March | 41°F (5°C) | 0.5 in | |
| April | 54°F (12°C) | 1.3 in | |
| May | 63°F (17°C) | 1.6 in | |
| June | 72°F (22°C) | 2.7 in | |
| July | 78°F (25°C) | 6.8 in | Warmest, Wettest |
| August | 77°F (25°C) | 5.5 in | |
| September | 69°F (21°C) | 2.5 in | |
| October | 59°F (15°C) | 1.3 in | |
| November | 45°F (7°C) | 0.9 in | |
| December | 34°F (1°C) | 0.4 in |
Longgang has a seasonal temperature swing of 50°F / from 28°F in January to 78°F in July. Total annual precipitation is 24.1 inches, with July being the wettest month (6.8") and January the driest (0.3").