Chenzhou climate — normals and trends
Chenzhou (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 1,570 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 (28.3 °C on average) and the coldest is January (6.3 °C). Rainfall peaks in May.
Chenzhou averages 13 frost days, 88 hot days (≥ 30 °C) and 162 rainy days per year.
Chenzhou has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The number of frost days there went from about 17 to 9 per year over the period.
The hottest day of the period reached 41.0 °C (on 23 July 2003) and the coldest -9.7 °C (on 18 December 1975).
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
ChenzhouHunan
- coords
- 25.80°, 113.03°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.9°C
Average daily high
22.0°C
Average daily low
14.5°C
Annual rainfall
1,570mm
Sunshine / day
7.1h
Mean relative humidity
79%
Average peak wind
11.1km/h
Seasonal range
22.0°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
88 d/yr
Rainy days (≥ 1 mm)
162 d/yr
Annual snowfall
8.0 cm
Average feels-like high
23.2 °C
Average feels-like low
15.2 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
130 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
41.0 °C
23 July 2003
Coldest day
-9.7 °C
18 December 1975
Wettest day
146 mm
15 July 2006
Windiest day
32.6 km/h
9 August 1964
Strongest gust
95.0 km/h
7 June 1946
Hottest feels-like
45.3 °C
2 August 2003
Coldest feels-like
-13.5 °C
18 December 1975
Snowiest day
15.2 cm
6 January 2003
Sunniest day
13.0 h
13 May 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 | 15.1 °C | +5.0 °C | 13 mm | -39 mm |
| Feb | 10.6 °C | -1.1 °C | 30 mm | -49 mm |
| Mar | 18.5 °C | +1.8 °C | 139 mm | -4 mm |
| Apr | 25.1 °C | +2.8 °C | 168 mm | -61 mm |
| May | 27.1 °C | +0.6 °C | 305 mm | +38 mm |
| Jun | 30.3 °C | +0.9 °C | 239 mm | -16 mm |
| Jul | 32.6 °C | 0.0 °C | 205 mm | +93 mm |
| Aug | 32.5 °C | +0.6 °C | 140 mm | -14 mm |
| Sep | 30.9 °C | +2.2 °C | 95 mm | +6 mm |
| Oct | 25.8 °C | +2.2 °C | 40 mm | -35 mm |
| Nov | 17.9 °C | 0.0 °C | 70 mm | -1 mm |
| Dec | 16.5 °C | +4.1 °C | 33 mm | -14 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 Chenzhou?
Chenzhou has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 1,570 mm of precipitation per year.
What is the hottest day ever recorded in Chenzhou?
The hottest day measured in Chenzhou between 1940 and 2025 was 23 July 2003, reaching 41.0 °C.
What is the coldest day in Chenzhou?
The coldest day measured in Chenzhou between 1940 and 2025 was 18 December 1975, at -9.7 °C.
Does it snow in Chenzhou?
Yes. Chenzhou gets on average 8.0 cm of snow per year and has around 13 frost days.
Has the climate of Chenzhou warmed?
Yes: Chenzhou warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chenzhou?
The wettest day measured in Chenzhou between 1940 and 2025 was 15 July 2006, with 146 mm of rain in 24 hours.
What was the windiest day in Chenzhou?
The windiest day measured in Chenzhou between 1940 and 2025 was 9 August 1964, with winds reaching 32.6 km/h.
What is the warmest month in Chenzhou?
The warmest month in Chenzhou is July (28.3 °C on average); the coldest is January (6.3 °C).
How much does it rain in Chenzhou?
Chenzhou receives on average 1,570 mm of precipitation per year, spread over about 162 rainy days.
Is it sunny in Chenzhou?
Chenzhou gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chenzhou?
The heaviest 24-hour snowfall measured in Chenzhou between 1940 and 2025 was 6 January 2003, with 15.2 cm.
Are there tropical nights in Chenzhou?
Yes: Chenzhou has on average 130 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chenzhou?
In Chenzhou, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 2 August 2003, and the lowest was -13.5 °C on 18 December 1975.
Compare Chenzhou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chenzhou