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Weather & Climate in Suzhou, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Suzhou enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 40°F in January while summers reach 83°F in July. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 48.8 inches (wetter than the 38-inch national average). The area receives 4.0 inches of snow annually. The city sits at an elevation of 33 feet.
Temperature
40°F Jan (5°C)
83°F Jul (28°C)
| Annual Average | 62.8°F |
| 16% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 3,342.6 sq mi (8,657.4 km²) |
| Population Density | 2,009/sq mi |
| Coordinates | 31.3041°N, 120.5954°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (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 | 59 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
15 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 81 mph | 49 km |
| 2022 | Muifa | Category 2 | 92 mph | 106 km |
| 2021 | Chanthu | Category 2 | 98 mph | 260 km |
| 2019 | Lekima | Category 2 | 69 mph | 201 km |
| 2015 | Chan-hom | Category 1 | 86 mph | 233 km |
| 2005 | Khanun | Category 2 | 75 mph | 94 km |
| 2000 | Jelawat | Category 1 | 75 mph | 251 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 248 km |
| 1997 | Winnie | Category 1 | 81 mph | 247 km |
| 1994 | Doug | Category 1 | 75 mph | 279 km |
| 1994 | Ellie | Category 1 | 69 mph | 239 km |
| 1990 | Abe | Category 2 | 63 mph | 81 km |
| 1985 | Mamie | Category 1 | 75 mph | 116 km |
| 1984 | Ed | Category 1 | 58 mph | 166 km |
| 1981 | Agnes | Category 2 | 92 mph | 249 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 1.7 in | Coldest |
| February | 41°F (5°C) | 2.2 in | |
| March | 49°F (9°C) | 2.3 in | |
| April | 59°F (15°C) | 2.8 in | |
| May | 69°F (20°C) | 3.6 in | |
| June | 76°F (24°C) | 6.1 in | Wettest |
| July | 83°F (28°C) | 5.3 in | Warmest |
| August | 82°F (28°C) | 5.1 in | |
| September | 74°F (23°C) | 4.4 in | |
| October | 65°F (18°C) | 1.3 in | Driest |
| November | 54°F (12°C) | 1.6 in | |
| December | 43°F (6°C) | 1.5 in |
Suzhou has a seasonal temperature swing of 43°F / from 40°F in January to 83°F in July. Total annual precipitation is 38.0 inches, with June being the wettest month (6.1") and October the driest (1.3").