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Weather & Climate in Yanshan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yanshan enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 53°F in January while summers reach 81°F in July. The area gets 262 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 63.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,946 feet.
Temperature
53°F Jan (12°C)
81°F Jul (27°C)
| Annual Average | 68.8°F |
| 27% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 262 days/yr |
Geography
| Elevation | 1,946 ft (593 m) |
| Area | 7,346.6 sq mi (19,027.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 25.1592°N, 117.1783°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Nov 26, 1992 | 110 km SW of Sanming, China | M4.1 | 46 km | 33 km |
| Mar 2, 1992 | 10 km SSE of Zhenhaicun, China | M3.9 | 145 km | 28 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
49 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Podul | Category 1 | — | 256 km |
| 2024 | Kong-rey | Category 1 | 63 mph | 294 km |
| 2024 | Gaemi | Category 1 | — | 284 km |
| 2023 | Doksuri | Category 2 | 92 mph | 119 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 119 km |
| 2018 | Maria | Category 2 | 98 mph | 185 km |
| 2016 | Meranti | Category 4 | 104 mph | 43 km |
| 2016 | Megi | Category 1 | — | 291 km |
| 2015 | Dujuan | Category 2 | 75 mph | 124 km |
| 2015 | Soudelor | Category 1 | 81 mph | 228 km |
| 2015 | Linfa | Category 1 | 58 mph | 275 km |
| 2014 | Matmo | Category 1 | 58 mph | 244 km |
| 2013 | Trami | Category 1 | 69 mph | 251 km |
| 2013 | Soulik | Category 1 | 63 mph | 295 km |
| 2010 | Megi | Category 2 | 69 mph | 213 km |
| 2010 | Fanapi | Category 1 | 69 mph | 175 km |
| 2010 | Meranti | Category 1 | 63 mph | 190 km |
| 2009 | Linfa | Category 1 | 69 mph | 280 km |
| 2008 | Fung-wong | Category 1 | — | 299 km |
| 2007 | Sepat | Category 2 | 63 mph | 188 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1917 | SOUTH CHINA SEA | Earthquake | — | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database.