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Weather & Climate in Hechen, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hechen enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 38°F in January while summers reach 80°F in July. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 48.6 inches (wetter than the 38-inch national average). The area receives 3.2 inches of snow annually. The city sits at an elevation of 13 feet.
Temperature
38°F Jan (3°C)
80°F Jul (27°C)
| Annual Average | 58.3°F |
| 8% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 2,711.3 sq mi (7,022.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 33.0058°N, 120.2368°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jul 20, 2012 | 22 km W of Xinghua, China | M4.9 | 60 km | 10 km |
| Oct 19, 2016 | 18 km SSE of Hede, China | M4.7 | 69 km | 10 km |
| Jul 19, 2010 | 50 km ENE of Juegang, China | M4.5 | 142 km | 25 km |
| Nov 5, 1991 | 36 km N of Qinnan, China | M4.3 | 73 km | 33 km |
| Oct 22, 1992 | 8 km NNE of Hede, China | M4.3 | 93 km | 10 km |
| Mar 31, 1997 | 84 km ENE of Dazhong, China | M4.2 | 114 km | 33 km |
| Jul 8, 2024 | 19 km WNW of Taizhou, China | M4.1 | 69 km | 9 km |
| May 20, 1995 | 51 km NE of Juegang, China | M4.1 | 137 km | 33 km |
| Aug 30, 1998 | 58 km NE of Juegang, China | M3.9 | 132 km | 33 km |
| Mar 24, 1999 | 27 km ENE of Hede, China | M3.6 | 96 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 81 mph | 217 km |
| 2022 | Muifa | Category 1 | 75 mph | 244 km |
| 2012 | Damrey | Category 1 | 81 mph | 156 km |
| 2005 | Khanun | Category 1 | 58 mph | 279 km |
| 1994 | Ellie | Category 1 | 63 mph | 164 km |
| 1990 | Abe | Category 1 | 52 mph | 268 km |
| 1985 | Mamie | Category 1 | 75 mph | 53 km |
| 1984 | Ed | Category 1 | 58 mph | 222 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | JIANGSU PROVINCE | Earthquake | — | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 1.1 in | Coldest, Driest |
| February | 38°F (3°C) | 1.3 in | |
| March | 45°F (7°C) | 1.8 in | |
| April | 56°F (14°C) | 2.7 in | |
| May | 66°F (19°C) | 3.1 in | |
| June | 74°F (23°C) | 4.8 in | |
| July | 80°F (27°C) | 8.7 in | Warmest, Wettest |
| August | 80°F (27°C) | 6.2 in | |
| September | 72°F (22°C) | 4.3 in | |
| October | 62°F (17°C) | 1.8 in | |
| November | 51°F (10°C) | 1.6 in | |
| December | 39°F (4°C) | 1.2 in |
Hechen has a seasonal temperature swing of 43°F / from 38°F in January to 80°F in July. Total annual precipitation is 38.6 inches, with July being the wettest month (8.7") and January the driest (1.1").