Zhouzhuang climate — normals and trends
Zhouzhuang (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.7 °C and it receives 1,403 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (28.8 °C on average) and the coldest is January (4.3 °C). Rainfall peaks in June.
Zhouzhuang averages 28 frost days, 68 hot days (≥ 30 °C) and 130 rainy days per year.
Zhouzhuang has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 38 to 18 per year over the period.
The hottest day of the period reached 40.6 °C (on 10 August 2024) and the coldest -12.8 °C (on 6 February 1969).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
ZhouzhuangJiangsu
- coords
- 31.12°, 120.84°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.7°C
Average daily high
20.5°C
Average daily low
13.5°C
Annual rainfall
1,403mm
Sunshine / day
7.8h
Mean relative humidity
78%
Average peak wind
16.3km/h
Seasonal range
24.5°C
Frost days (< 0 °C)
28 d/yr
Hot days (≥ 30 °C)
68 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
8.6 cm
Average feels-like high
21.0 °C
Average feels-like low
13.1 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
112 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.42 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
40.6 °C
10 August 2024
Coldest day
-12.8 °C
6 February 1969
Wettest day
155 mm
16 June 1954
Windiest day
54.5 km/h
6 August 2005
Strongest gust
128.9 km/h
2 August 1956
Hottest feels-like
48.6 °C
1 August 2003
Coldest feels-like
-17.5 °C
6 February 1969
Snowiest day
26.3 cm
18 January 1984
Sunniest day
14.0 h
20 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 11.3 °C | +3.4 °C | 13 mm | -41 mm |
| Feb | 10.0 °C | +0.5 °C | 31 mm | -39 mm |
| Mar | 17.5 °C | +3.4 °C | 76 mm | -27 mm |
| Apr | 24.7 °C | +4.7 °C | 69 mm | -59 mm |
| May | 27.1 °C | +2.4 °C | 147 mm | -15 mm |
| Jun | 29.6 °C | +1.6 °C | 391 mm | +104 mm |
| Jul | 33.3 °C | +0.9 °C | 185 mm | +6 mm |
| Aug | 35.1 °C | +3.1 °C | 102 mm | -40 mm |
| Sep | 31.9 °C | +4.2 °C | 120 mm | -8 mm |
| Oct | 25.9 °C | +3.3 °C | 41 mm | -18 mm |
| Nov | 18.3 °C | +1.3 °C | 16 mm | -36 mm |
| Dec | 14.4 °C | +3.8 °C | 9 mm | -31 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Zhouzhuang?
Zhouzhuang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.7 °C and it receives 1,403 mm of precipitation per year.
What is the hottest day ever recorded in Zhouzhuang?
The hottest day measured in Zhouzhuang between 1940 and 2025 was 10 August 2024, reaching 40.6 °C.
What is the coldest day in Zhouzhuang?
The coldest day measured in Zhouzhuang between 1940 and 2025 was 6 February 1969, at -12.8 °C.
Does it snow in Zhouzhuang?
Yes. Zhouzhuang gets on average 8.6 cm of snow per year and has around 28 frost days.
Has the climate of Zhouzhuang warmed?
Yes: Zhouzhuang warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zhouzhuang?
The wettest day measured in Zhouzhuang between 1940 and 2025 was 16 June 1954, with 155 mm of rain in 24 hours.
What was the windiest day in Zhouzhuang?
The windiest day measured in Zhouzhuang between 1940 and 2025 was 6 August 2005, with winds reaching 54.5 km/h.
What is the warmest month in Zhouzhuang?
The warmest month in Zhouzhuang is July (28.8 °C on average); the coldest is January (4.3 °C).
How much does it rain in Zhouzhuang?
Zhouzhuang receives on average 1,403 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Zhouzhuang?
Zhouzhuang gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zhouzhuang?
The heaviest 24-hour snowfall measured in Zhouzhuang between 1940 and 2025 was 18 January 1984, with 26.3 cm.
Are there tropical nights in Zhouzhuang?
Yes: Zhouzhuang has on average 112 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zhouzhuang?
In Zhouzhuang, between 1940 and 2025, the highest apparent temperature reached 48.6 °C on 1 August 2003, and the lowest was -17.5 °C on 6 February 1969.
Compare Zhouzhuang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zhouzhuang