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Weather & Climate in Sanshan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanshan enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 54°F in January while summers reach 83°F in July. The area gets 272 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 46.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 102 feet.
Temperature
54°F Jan (12°C)
83°F Jul (28°C)
| Annual Average | 67.8°F |
| 26% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 733.2 sq mi (1,898.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 25.5348°N, 119.5168°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
22 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| May 11, 2015 | 55 km NNW of Taichung, Taiwan | M4.6 | 139 km | 16 km |
| Oct 28, 2013 | 75 km N of Magong, Taiwan | M4.6 | 143 km | 18 km |
| May 11, 2015 | 49 km NNW of Taichung, Taiwan | M4.5 | 145 km | 5 km |
| Mar 6, 2008 | 6 km ENE of Meipu, China | M4.5 | 96 km | 35 km |
| Feb 18, 1992 | 70 km SE of Jiangkou, China | M4.5 | 60 km | 33 km |
| May 1, 2015 | 53 km NNW of Taichung, Taiwan | M4.3 | 142 km | 11 km |
| Jun 16, 2000 | 22 km WNW of Hsinchu, Taiwan | M4.2 | 145 km | 33 km |
| Mar 6, 2008 | 15 km SW of Shuikou, China | M4.1 | 120 km | 35 km |
| May 14, 2015 | 53 km NNW of Taichung, Taiwan | M4.1 | 143 km | 5 km |
| Aug 5, 1999 | 54 km ESE of Dazuocun, China | M4.1 | 92 km | 10 km |
| Oct 29, 2013 | 31 km WNW of Putian, China | M4.1 | 78 km | 14 km |
| Sep 3, 2013 | 31 km WNW of Putian, China | M4.1 | 79 km | 13 km |
| Aug 22, 2013 | 34 km WNW of Putian, China | M4.1 | 81 km | 15 km |
| May 7, 2015 | 47 km NNW of Taichung, Taiwan | M4.0 | 147 km | 14 km |
| May 18, 1998 | 34 km WNW of Hsinchu, Taiwan | M3.7 | 134 km | 33 km |
| Mar 23, 1991 | 64 km WSW of Hsinchu, Taiwan | M3.6 | 127 km | 10 km |
| Mar 20, 1991 | 57 km WSW of Hsinchu, Taiwan | M3.6 | 136 km | 33 km |
| Nov 5, 1997 | 51 km WNW of Hsinchu, Taiwan | M3.6 | 118 km | 33 km |
| Apr 21, 1996 | 10 km WNW of Luoqiao, China | M3.5 | 124 km | 33 km |
| Jul 4, 2008 | 39 km SW of Huangtian, China | M3.5 | 133 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
68 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Danas | Category 2 | — | 217 km |
| 2025 | Podul | Category 1 | — | 248 km |
| 2024 | Gaemi | Category 4 | 104 mph | 69 km |
| 2024 | Kong-rey | Category 3 | 86 mph | 125 km |
| 2023 | Haikui | Category 3 | 75 mph | 260 km |
| 2023 | Doksuri | Category 2 | 81 mph | 116 km |
| 2021 | Chanthu | Category 3 | 115 mph | 282 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 236 km |
| 2020 | Hagupit | Category 1 | 81 mph | 259 km |
| 2018 | Maria | Category 2 | 98 mph | 105 km |
| 2017 | Nesat | Category 2 | 92 mph | 156 km |
| 2016 | Meranti | Category 4 | 98 mph | 173 km |
| 2016 | Megi | Category 3 | 98 mph | 143 km |
| 2016 | Nepartak | Category 1 | 75 mph | 264 km |
| 2015 | Dujuan | Category 4 | 115 mph | 73 km |
| 2015 | Soudelor | Category 3 | 92 mph | 83 km |
| 2014 | Matmo | Category 2 | 69 mph | 49 km |
| 2013 | Fitow | Category 1 | 75 mph | 220 km |
| 2013 | Trami | Category 1 | 69 mph | 20 km |
| 2013 | Soulik | Category 1 | 92 mph | 63 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1604 | SOUTH CHINA SEA | Earthquake | — | — | 60 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 1.6 in | |
| February | 52°F (11°C) | 3.0 in | Coldest |
| March | 56°F (14°C) | 5.0 in | |
| April | 65°F (18°C) | 5.7 in | |
| May | 72°F (22°C) | 6.8 in | |
| June | 78°F (26°C) | 9.5 in | Wettest |
| July | 83°F (28°C) | 4.5 in | Warmest |
| August | 83°F (28°C) | 5.5 in | |
| September | 79°F (26°C) | 4.5 in | |
| October | 72°F (22°C) | 1.5 in | |
| November | 64°F (18°C) | 1.3 in | |
| December | 56°F (13°C) | 1.2 in | Driest |
Sanshan has a seasonal temperature swing of 31°F / from 52°F in February to 83°F in July. Total annual precipitation is 50.1 inches, with June being the wettest month (9.5") and December the driest (1.2").