Suzhou weather in December
December in Suzhou: cold, a little rain, with poor air quality — fine if you can take poor air.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Suzhou · #819 of 1413 destinations to visit in December · comfort 67/100 (tier C)
- Days
- 11°C
- Nights
- 3°C
- Wet days
- 7
- Sun
- 6.7 h
- Humidity
- 72%
- Daylight
- 10 h

Traveller notes on Suzhou in December
Notes from nearby Shanghai (83 km away)
Suzhou doesn't have its own notes for December yet — these are about Shanghai, close enough to share the season.
Regulars are consistent this is a damp cold rather than a dry one, wind and moisture together making the air feel considerably colder than the actual number suggests, biting hardest at the extremities - scarves and gloves specifically recommended over one heavy coat. Our row backs the chill, 12C reading as 9C over 3.4C nights feeling -1C, with 35.2mm of rain across 6.3 days and a trace of snow, 0.5cm, alongside a real 17.7 kph wind. Regulars are clear this month rarely brings snow itself despite the cold, and that smog is a real, separate concern worth checking forecasts for on top of the temperature. Layering beats one bulky coat, since winter weather here swings enough day to day to make flexibility the more useful strategy. The record: humidity 72 percent and AQI 156.
Other months in Suzhou
Forum posters describe April in Suzhou as often cloudy or rainy, with typical temperatures between 13-20C, though posters are consistent that there's no distinct 'rain season' here the way some regions have - rain is a regular but not overwhelming feature of the month. Posters consistently rate mid-to-late April through May as just about perfect weather-wise, with April/May and September/October generally named as the most comfortable overall stretches to visit the wider Jiangsu region. Posters flag April and May as peak tourism season, meaning real crowds and higher prices alongside the good weather. Posters describe early April specifically as bringing magnolia and some cherry blossoms into bloom. Posters generally rate April as a good, if increasingly crowded, time to visit Suzhou, occasional rain a minor trade-off for the pleasant temperatures and spring blooms.
Forum posters call October a clear step up from the still-hot early September stretch in the Shanghai/Suzhou area, with visitors reporting ideal sunny conditions, though some rain is still possible depending on the week. One timing note worth knowing: mid-October is generally considered too early for peak autumn foliage - the best color typically runs November into early December - so October garden visits lean more on the classical Suzhou gardens' architecture, rockwork and water features than on fall leaves. The bigger practical concern posters raise for October specifically isn't weather at all but crowds, since it's one of the most popular domestic travel months in China.
Add your own note from Suzhou's card on the map.
Suzhou climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Suzhou in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyRed maples at Tianping, school holidays in 5 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Suzhou's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSuzhou's best weather comes in April, May and October — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Suzhou in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Hairy crab season
25 Sep – 15 Dec · usuallyForaging seasonYangcheng Lake is the name every restaurant in China claims in autumn, and this is the lake. Females first in October, males from November; the genuine ones are priced accordingly. Source ↗
- Nature
Red maples at Tianping
10 Nov – 5 Dec · usuallyAutumn colourCrowdedFour hundred year old maples on the hill west of the city, peaking very late — the second half of November into December. Weekends are shoulder to shoulder on the path up.
Nearby, and something's on
Within 300 km of Suzhou — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Suzhou?
Suzhou in December — FAQ
- Is December a good time to visit Suzhou?
- December in Suzhou: cold, a little rain, with poor air quality — fine if you can take poor air. It ranks #6 of 12 months for Suzhou on SeasonMap's comfort score (67/100).
- What is the weather like in Suzhou in December?
- In December, Suzhou averages a daily high of 10.6°C and a low of 3.3°C, with about 46.8 mm of rain over roughly 6.6 rainy days.
- What is the air quality in Suzhou in December?
- Suzhou has a mean US Air Quality Index of about 140 in December.
- Does it snow in Suzhou in December?
- Suzhou sees roughly 1.5 cm of snowfall in December.
Within 300 km: Hangzhou's Maples and ginkgo turn around 15 Nov – 12 Dec, and Huangshan's Sea of clouds around 1 Nov – 15 Apr.