Chuzhou climate — normals and trends
Chuzhou (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.6 °C and it receives 1,226 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 (27.9 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in July.
Chuzhou averages 50 frost days, 63 hot days (≥ 30 °C) and 115 rainy days per year.
Chuzhou has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 61 to 39 per year over the period.
The hottest day of the period reached 40.0 °C (on 11 August 1946) and the coldest -23.8 °C (on 11 January 1955).
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
ChuzhouAnhui
- coords
- 32.32°, 118.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.6°C
Average daily high
19.9°C
Average daily low
11.8°C
Annual rainfall
1,226mm
Sunshine / day
7.9h
Mean relative humidity
75%
Average peak wind
14.5km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
50 d/yr
Hot days (≥ 30 °C)
63 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
16.8 cm
Average feels-like high
20.0 °C
Average feels-like low
11.2 °C
Average peak gust
30.7 km/h
Tropical nights (≥ 20 °C)
97 d/yr
Solar radiation
14.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.29 · 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
40.0 °C
11 August 1946
Coldest day
-23.8 °C
11 January 1955
Wettest day
191 mm
6 July 2013
Windiest day
43.1 km/h
17 August 2018
Strongest gust
96.5 km/h
17 August 2018
Hottest feels-like
47.6 °C
2 August 2003
Coldest feels-like
-28.8 °C
11 January 1955
Snowiest day
23.7 cm
4 January 2018
Sunniest day
13.9 h
16 June 2025
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 | 10.4 °C | +3.9 °C | 20 mm | -19 mm |
| Feb | 10.1 °C | +1.5 °C | 8 mm | -44 mm |
| Mar | 17.1 °C | +3.2 °C | 42 mm | -36 mm |
| Apr | 25.5 °C | +5.3 °C | 46 mm | -49 mm |
| May | 27.0 °C | +2.0 °C | 147 mm | +17 mm |
| Jun | 28.7 °C | +0.2 °C | 272 mm | +67 mm |
| Jul | 33.7 °C | +2.4 °C | 66 mm | -168 mm |
| Aug | 33.3 °C | +2.1 °C | 187 mm | +41 mm |
| Sep | 28.3 °C | +1.5 °C | 202 mm | +91 mm |
| Oct | 22.3 °C | +0.6 °C | 81 mm | +24 mm |
| Nov | 17.7 °C | +2.2 °C | 22 mm | -27 mm |
| Dec | 11.9 °C | +2.8 °C | 7 mm | -22 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 Chuzhou?
Chuzhou has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 1,226 mm of precipitation per year.
What is the hottest day ever recorded in Chuzhou?
The hottest day measured in Chuzhou between 1940 and 2025 was 11 August 1946, reaching 40.0 °C.
What is the coldest day in Chuzhou?
The coldest day measured in Chuzhou between 1940 and 2025 was 11 January 1955, at -23.8 °C.
Does it snow in Chuzhou?
Yes. Chuzhou gets on average 16.8 cm of snow per year and has around 50 frost days.
Has the climate of Chuzhou warmed?
Yes: Chuzhou warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chuzhou?
The wettest day measured in Chuzhou between 1940 and 2025 was 6 July 2013, with 191 mm of rain in 24 hours.
What was the windiest day in Chuzhou?
The windiest day measured in Chuzhou between 1940 and 2025 was 17 August 2018, with winds reaching 43.1 km/h.
What is the warmest month in Chuzhou?
The warmest month in Chuzhou is July (27.9 °C on average); the coldest is January (2.2 °C).
How much does it rain in Chuzhou?
Chuzhou receives on average 1,226 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Chuzhou?
Chuzhou gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chuzhou?
The heaviest 24-hour snowfall measured in Chuzhou between 1940 and 2025 was 4 January 2018, with 23.7 cm.
Are there tropical nights in Chuzhou?
Yes: Chuzhou has on average 97 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chuzhou?
In Chuzhou, between 1940 and 2025, the highest apparent temperature reached 47.6 °C on 2 August 2003, and the lowest was -28.8 °C on 11 January 1955.
Compare Chuzhou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chuzhou