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Weather & Climate in Ganlan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ganlan enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 46°F in January while summers reach 83°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 49.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 131 feet.
Temperature
46°F Jan (8°C)
83°F Jul (28°C)
| Annual Average | 64.5°F |
| 19% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 131 ft (40 m) |
| Area | 8.9 sq mi (23.2 km²) |
| Population Density | 22/sq mi |
| Coordinates | 30.1027°N, 122.1370°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| May 25, 2004 | 12 km NE of Shenjiamen, China | M4.0 | 25 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
35 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 86 mph | 75 km |
| 2022 | Hinnamnor | Category 3 | 104 mph | 268 km |
| 2022 | Muifa | Category 2 | 92 mph | 28 km |
| 2021 | Chanthu | Category 2 | 98 mph | 132 km |
| 2021 | In-fa | Category 1 | 86 mph | 264 km |
| 2020 | Bavi | Category 3 | 98 mph | 283 km |
| 2020 | Hagupit | Category 1 | 81 mph | 286 km |
| 2019 | Lingling | Category 4 | 104 mph | 296 km |
| 2019 | Lekima | Category 3 | 104 mph | 163 km |
| 2019 | Mitag | Category 1 | 81 mph | 167 km |
| 2015 | Chan-hom | Category 3 | 98 mph | 50 km |
| 2012 | Haikui | Category 1 | 75 mph | 135 km |
| 2011 | Muifa | Category 1 | 81 mph | 241 km |
| 2010 | Kompasu | Category 3 | 86 mph | 287 km |
| 2005 | Khanun | Category 3 | 86 mph | 143 km |
| 2005 | Matsa | Category 1 | 81 mph | 240 km |
| 2004 | Rananim | Category 2 | 92 mph | 223 km |
| 2002 | Rammasun | Category 3 | 92 mph | 190 km |
| 2000 | Saomai | Category 2 | 81 mph | 275 km |
| 2000 | Jelawat | Category 2 | 81 mph | 95 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1991 | AOSHAN | Meteorological | 3.0 m | - | 17 km |
Source: NOAA/NCEI Historical Tsunami Database.