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Weather & Climate in Shiyan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shiyan enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 51.0 inches (wetter than the 38-inch national average). The area receives 3.1 inches of snow annually. The city sits at an elevation of 16 feet.
Temperature
39°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 59.6°F |
| 10% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 2,711.3 sq mi (7,022.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 32.7226°N, 120.1832°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Feb 9, 1990 | 27 km E of Changshu City, China | M5.0 | 141 km | 10 km |
| Jul 20, 2012 | 22 km W of Xinghua, China | M4.9 | 62 km | 10 km |
| Oct 19, 2016 | 18 km SSE of Hede, China | M4.7 | 101 km | 10 km |
| Jul 19, 2010 | 50 km ENE of Juegang, China | M4.5 | 139 km | 25 km |
| Nov 5, 1991 | 36 km N of Qinnan, China | M4.3 | 100 km | 33 km |
| Oct 22, 1992 | 8 km NNE of Hede, China | M4.3 | 125 km | 10 km |
| Mar 31, 1997 | 84 km ENE of Dazhong, China | M4.2 | 138 km | 33 km |
| Jul 8, 2024 | 19 km WNW of Taizhou, China | M4.1 | 47 km | 9 km |
| May 20, 1995 | 51 km NE of Juegang, China | M4.1 | 135 km | 33 km |
| Aug 30, 1998 | 58 km NE of Juegang, China | M3.9 | 133 km | 33 km |
| Mar 24, 1999 | 27 km ENE of Hede, China | M3.6 | 127 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 | 190 km |
| 2022 | Muifa | Category 1 | 75 mph | 222 km |
| 2012 | Damrey | Category 1 | 81 mph | 188 km |
| 2005 | Khanun | Category 1 | 58 mph | 247 km |
| 1994 | Ellie | Category 1 | 63 mph | 178 km |
| 1990 | Abe | Category 1 | 52 mph | 237 km |
| 1985 | Mamie | Category 1 | 75 mph | 65 km |
| 1984 | Ed | Category 1 | 58 mph | 210 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 | — | — | 94 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 1.3 in | Coldest, Driest |
| February | 39°F (4°C) | 1.6 in | |
| March | 46°F (8°C) | 2.0 in | |
| April | 57°F (14°C) | 3.1 in | |
| May | 67°F (20°C) | 3.5 in | |
| June | 75°F (24°C) | 5.4 in | |
| July | 82°F (28°C) | 8.0 in | Warmest, Wettest |
| August | 81°F (27°C) | 5.2 in | |
| September | 73°F (23°C) | 4.1 in | |
| October | 63°F (17°C) | 1.8 in | |
| November | 52°F (11°C) | 1.7 in | |
| December | 41°F (5°C) | 1.3 in |
Shiyan has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 39.0 inches, with July being the wettest month (8.0") and January the driest (1.3").