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Weather & Climate in Jianshan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jianshan enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 254 sunny days per year, above the national average. Annual precipitation totals 65.3 inches (wetter than the 38-inch national average). The area receives 1.7 inches of snow annually. The city sits at an elevation of 1,742 feet.
Temperature
39°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 1,742 ft (531 m) |
| Area | 933.8 sq mi (2,418.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 29.2250°N, 120.7162°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Hurricane History
26 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 81 mph | 214 km |
| 2022 | Muifa | Category 2 | 92 mph | 171 km |
| 2021 | Chanthu | Category 2 | 98 mph | 272 km |
| 2020 | Hagupit | Category 1 | 81 mph | 174 km |
| 2019 | Lekima | Category 4 | 104 mph | 16 km |
| 2019 | Mitag | Category 1 | 81 mph | 160 km |
| 2015 | Chan-hom | Category 3 | 98 mph | 166 km |
| 2013 | Fitow | Category 1 | 75 mph | 249 km |
| 2012 | Haikui | Category 1 | 75 mph | 158 km |
| 2007 | Wipha | Category 4 | 86 mph | 187 km |
| 2006 | Saomai | Category 4 | 115 mph | 236 km |
| 2005 | Khanun | Category 4 | 98 mph | 26 km |
| 2005 | Matsa | Category 1 | 86 mph | 161 km |
| 2004 | Rananim | Category 2 | 92 mph | 103 km |
| 2002 | Sinlaku | Category 1 | 92 mph | 226 km |
| 2001 | Chebi | Category 1 | — | 225 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 241 km |
| 2000 | Jelawat | Category 1 | 75 mph | 106 km |
| 1997 | Winnie | Category 1 | 86 mph | 43 km |
| 1994 | Fred | Category 3 | 92 mph | 148 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.0 in | Coldest |
| February | 43°F (6°C) | 3.1 in | |
| March | 50°F (10°C) | 4.6 in | |
| April | 60°F (15°C) | 5.3 in | |
| May | 68°F (20°C) | 6.8 in | |
| June | 75°F (24°C) | 8.3 in | Wettest |
| July | 82°F (28°C) | 5.2 in | Warmest |
| August | 81°F (27°C) | 6.1 in | |
| September | 74°F (23°C) | 6.3 in | |
| October | 65°F (18°C) | 3.1 in | |
| November | 55°F (13°C) | 2.5 in | |
| December | 45°F (7°C) | 1.6 in | Driest |
Jianshan has a seasonal temperature swing of 42°F / from 39°F in January to 82°F in July. Total annual precipitation is 54.9 inches, with June being the wettest month (8.3") and December the driest (1.6").