Zhoubai climate — normals and trends
Zhoubai (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.3 °C and it receives 1,727 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 (24.4 °C on average) and the coldest is January (3.1 °C). Rainfall peaks in July.
Zhoubai averages 29 frost days, 23 hot days (≥ 30 °C) and 196 rainy days per year.
Zhoubai has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 41 to 17 per year over the period.
The hottest day of the period reached 35.3 °C (on 2 August 2021) and the coldest -15.7 °C (on 6 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
ZhoubaiChongqing Municipality
- coords
- 29.53°, 108.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.3°C
Average daily high
17.7°C
Average daily low
11.4°C
Annual rainfall
1,727mm
Sunshine / day
5.3h
Mean relative humidity
82%
Average peak wind
7.3km/h
Seasonal range
21.3°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
23 d/yr
Rainy days (≥ 1 mm)
196 d/yr
Annual snowfall
43.0 cm
Average feels-like high
18.2 °C
Average feels-like low
11.4 °C
Average peak gust
24.0 km/h
Tropical nights (≥ 20 °C)
64 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.49 · 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
35.3 °C
2 August 2021
Coldest day
-15.7 °C
6 January 1955
Wettest day
155 mm
28 July 1982
Windiest day
28.4 km/h
23 May 1946
Strongest gust
83.2 km/h
12 June 1946
Hottest feels-like
42.0 °C
14 July 2002
Coldest feels-like
-19.7 °C
6 January 1955
Snowiest day
18.1 cm
24 January 1991
Sunniest day
13.7 h
3 July 1973
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 | 8.9 °C | +3.1 °C | 59 mm | -0 mm |
| Feb | 7.3 °C | -0.1 °C | 66 mm | -9 mm |
| Mar | 14.0 °C | +1.4 °C | 110 mm | -21 mm |
| Apr | 22.0 °C | +3.7 °C | 135 mm | -43 mm |
| May | 24.1 °C | +1.8 °C | 182 mm | -41 mm |
| Jun | 26.2 °C | +0.7 °C | 237 mm | +14 mm |
| Jul | 31.4 °C | +3.1 °C | 119 mm | -111 mm |
| Aug | 30.4 °C | +2.1 °C | 199 mm | +20 mm |
| Sep | 25.6 °C | +1.5 °C | 204 mm | +58 mm |
| Oct | 19.9 °C | +1.5 °C | 187 mm | +51 mm |
| Nov | 14.8 °C | +1.5 °C | 67 mm | -23 mm |
| Dec | 10.9 °C | +3.0 °C | 56 mm | +1 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 Zhoubai?
Zhoubai has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.3 °C and it receives 1,727 mm of precipitation per year.
What is the hottest day ever recorded in Zhoubai?
The hottest day measured in Zhoubai between 1940 and 2025 was 2 August 2021, reaching 35.3 °C.
What is the coldest day in Zhoubai?
The coldest day measured in Zhoubai between 1940 and 2025 was 6 January 1955, at -15.7 °C.
Does it snow in Zhoubai?
Yes. Zhoubai gets on average 43.0 cm of snow per year and has around 29 frost days.
Has the climate of Zhoubai warmed?
Yes: Zhoubai warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zhoubai?
The wettest day measured in Zhoubai between 1940 and 2025 was 28 July 1982, with 155 mm of rain in 24 hours.
What was the windiest day in Zhoubai?
The windiest day measured in Zhoubai between 1940 and 2025 was 23 May 1946, with winds reaching 28.4 km/h.
What is the warmest month in Zhoubai?
The warmest month in Zhoubai is July (24.4 °C on average); the coldest is January (3.1 °C).
How much does it rain in Zhoubai?
Zhoubai receives on average 1,727 mm of precipitation per year, spread over about 196 rainy days.
Is it sunny in Zhoubai?
Zhoubai gets on average 5.3 hours of sunshine per day, roughly 1,935 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zhoubai?
The heaviest 24-hour snowfall measured in Zhoubai between 1940 and 2025 was 24 January 1991, with 18.1 cm.
Are there tropical nights in Zhoubai?
Yes: Zhoubai has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zhoubai?
In Zhoubai, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 14 July 2002, and the lowest was -19.7 °C on 6 January 1955.
Compare Zhoubai with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zhoubai