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Weather & Climate in Jiulong, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jiulong enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 40°F in January while summers reach 81°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 55.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
40°F Jan (5°C)
81°F Jul (27°C)
| Annual Average | 59.7°F |
| 11% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 61.8 sq mi (160.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 31.9081°N, 121.5714°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
4 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 | 57 km | 10 km |
| Jul 19, 2010 | 50 km ENE of Juegang, China | M4.5 | 71 km | 25 km |
| May 20, 1995 | 51 km NE of Juegang, China | M4.1 | 77 km | 33 km |
| Aug 30, 1998 | 58 km NE of Juegang, China | M3.9 | 89 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 86 mph | 91 km |
| 2022 | Muifa | Category 1 | 86 mph | 80 km |
| 2021 | Chanthu | Category 1 | 92 mph | 193 km |
| 2020 | Bavi | Category 3 | 98 mph | 279 km |
| 2019 | Lekima | Category 1 | — | 283 km |
| 2015 | Chan-hom | Category 1 | 86 mph | 204 km |
| 2012 | Damrey | Category 1 | 81 mph | 217 km |
| 2010 | Kompasu | Category 3 | 81 mph | 298 km |
| 2005 | Khanun | Category 1 | 75 mph | 198 km |
| 2002 | Rammasun | Category 2 | 81 mph | 211 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 170 km |
| 2000 | Jelawat | Category 1 | 46 mph | 291 km |
| 1994 | Seth | Category 1 | 63 mph | 289 km |
| 1994 | Ellie | Category 1 | 75 mph | 130 km |
| 1994 | Doug | Category 1 | 69 mph | 200 km |
| 1990 | Abe | Category 1 | 63 mph | 183 km |
| 1986 | Vera | Category 1 | 86 mph | 271 km |
| 1985 | Mamie | Category 1 | 75 mph | 3 km |
| 1984 | Ed | Category 1 | 63 mph | 59 km |
| 1981 | Agnes | Category 2 | 92 mph | 170 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1670 | EAST CHINA SEA | Earthquake | — | — | 149 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 1.4 in | |
| February | 40°F (5°C) | 1.9 in | Coldest |
| March | 47°F (8°C) | 2.6 in | |
| April | 57°F (14°C) | 3.3 in | |
| May | 66°F (19°C) | 3.9 in | |
| June | 74°F (23°C) | 6.2 in | |
| July | 81°F (27°C) | 6.4 in | Warmest, Wettest |
| August | 81°F (27°C) | 5.0 in | |
| September | 73°F (23°C) | 4.9 in | |
| October | 64°F (18°C) | 2.1 in | |
| November | 54°F (12°C) | 1.9 in | |
| December | 42°F (6°C) | 1.3 in | Driest |
Jiulong has a seasonal temperature swing of 41°F / from 40°F in February to 81°F in July. Total annual precipitation is 40.9 inches, with July being the wettest month (6.4") and December the driest (1.3").