Cizhu climate — normals and trends

Q: What is the climate of Cizhu?

Cizhu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,442 mm of precipitation per year.

Q: What is the hottest day ever recorded in Cizhu?

The hottest day measured in Cizhu between 1940 and 2025 was 16 August 2011, reaching 42.4 °C.

Q: What is the coldest day in Cizhu?

The coldest day measured in Cizhu between 1940 and 2025 was 11 February 1945, at -7.6 °C.

Q: Does it snow in Cizhu?

Yes. Cizhu gets on average 2.2 cm of snow per year and has around 1 frost days.

Q: Has the climate of Cizhu warmed?

Yes: Cizhu warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cizhu?

The wettest day measured in Cizhu between 1940 and 2025 was 3 July 1986, with 118 mm of rain in 24 hours.

Q: What was the windiest day in Cizhu?

The windiest day measured in Cizhu between 1940 and 2025 was 24 May 1946, with winds reaching 45.8 km/h.

Q: What is the warmest month in Cizhu?

The warmest month in Cizhu is August (28.0 °C on average); the coldest is January (7.5 °C).

Q: How much does it rain in Cizhu?

Cizhu receives on average 1,442 mm of precipitation per year, spread over about 172 rainy days.

Q: Is it sunny in Cizhu?

Cizhu gets on average 6.0 hours of sunshine per day, roughly 2,190 hours per year over 1940-2025.

Cizhu (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 1,442 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 August (28.0 °C on average) and the coldest is January (7.5 °C). Rainfall peaks in July.

Cizhu averages 1 frost days, 69 hot days (≥ 30 °C) and 172 rainy days per year.

Cizhu has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The number of frost days there went from about 2 to 0 per year over the period.

The hottest day of the period reached 42.4 °C (on 16 August 2011) and the coldest -7.6 °C (on 11 February 1945).

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

CizhuChongqing Municipality

coords: 29.99°, 106.74°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.0°C

Average daily high

21.2°C

Average daily low

15.2°C

Annual rainfall

1,442mm

Sunshine / day

6.0h

Mean relative humidity

79%

Average peak wind

8.6km/h

Seasonal range

20.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

69 d/yr

Rainy days (≥ 1 mm)

172 d/yr

Annual snowfall

2.2 cm

Average feels-like high

22.6 °C

Average feels-like low

16.0 °C

Average peak gust

22.2 km/h

Tropical nights (≥ 20 °C)

116 d/yr

Solar radiation

11.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.28 · p = < 0.001

19402025

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

42.4 °C

16 August 2011

Coldest day

-7.6 °C

11 February 1945

Wettest day

118 mm

3 July 1986

Windiest day

45.8 km/h

24 May 1946

Strongest gust

73.4 km/h

22 May 1946

Hottest feels-like

47.0 °C

16 July 2025

Coldest feels-like

-11.4 °C

11 February 1945

Snowiest day

10.1 cm

6 February 1972

Sunniest day

13.9 h

18 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.0 °C16 July 2025	0.9 °C27 January 2025	19.4 °C	1,414 mm	106	0
2024	41.3 °C4 September 2024	-0.2 °C16 December 2024	19.8 °C	1,162 mm	98	1
2023	37.2 °C9 August 2023	-0.5 °C19 January 2023	18.8 °C	1,600 mm	83	1
2022	42.1 °C20 August 2022	0.2 °C19 December 2022	19.3 °C	1,084 mm	90	0
2021	39.6 °C3 August 2021	-0.9 °C12 January 2021	18.4 °C	1,492 mm	78	3
2020	39.2 °C29 August 2020	0.2 °C21 December 2020	18.3 °C	1,503 mm	67	0
2019	37.7 °C25 August 2019	2.8 °C2 January 2019	18.3 °C	1,343 mm	69	0
2018	38.9 °C20 July 2018	0.7 °C9 January 2018	18.4 °C	1,233 mm	87	0
2017	40.2 °C22 August 2017	2.1 °C21 December 2017	18.6 °C	1,201 mm	74	0
2016	40.5 °C25 August 2016	-2.7 °C25 January 2016	18.7 °C	1,225 mm	82	2
2015	36.1 °C2 August 2015	1.2 °C17 December 2015	18.8 °C	1,255 mm	71	0
2014	40.7 °C6 August 2014	1.3 °C14 January 2014	18.0 °C	1,550 mm	52	0
2013	40.4 °C23 August 2013	-0.4 °C1 January 2013	19.1 °C	1,219 mm	98	1
2012	37.6 °C12 August 2012	-0.6 °C31 December 2012	17.6 °C	1,094 mm	63	2
2011	42.4 °C16 August 2011	-1.7 °C2 February 2011	18.2 °C	1,034 mm	91	3
2010	41.4 °C11 August 2010	-1.1 °C17 December 2010	18.2 °C	1,175 mm	68	2
2009	38.9 °C7 September 2009	0.9 °C27 January 2009	18.5 °C	1,217 mm	79	0
2008	36.0 °C27 July 2008	-0.5 °C29 January 2008	18.0 °C	1,215 mm	68	2
2007	35.6 °C8 August 2007	1.7 °C19 January 2007	18.5 °C	1,447 mm	78	0
2006	42.1 °C15 August 2006	1.9 °C9 January 2006	19.2 °C	1,078 mm	86	0
2005	36.3 °C1 July 2005	-2.1 °C2 January 2005	18.0 °C	1,440 mm	79	1
2004	38.5 °C11 August 2004	-0.4 °C31 December 2004	18.0 °C	1,759 mm	65	1
2003	38.0 °C25 August 2003	1.5 °C7 January 2003	18.4 °C	1,269 mm	65	0
2002	37.1 °C13 July 2002	1.8 °C28 December 2002	18.4 °C	1,530 mm	68	0
2001	40.3 °C6 August 2001	0.7 °C22 December 2001	18.6 °C	1,185 mm	61	0
2000	37.1 °C27 July 2000	0.4 °C1 February 2000	17.9 °C	1,654 mm	66	0
1999	35.8 °C8 August 1999	-0.8 °C26 December 1999	18.3 °C	1,847 mm	66	2
1998	35.8 °C19 July 1998	0.8 °C20 January 1998	18.8 °C	1,838 mm	73	0
1997	41.0 °C31 August 1997	1.3 °C24 January 1997	18.2 °C	1,297 mm	74	0
1996	37.3 °C23 August 1996	-0.7 °C22 February 1996	17.5 °C	1,787 mm	71	1
1995	39.7 °C6 September 1995	1.5 °C6 January 1995	18.0 °C	1,486 mm	73	0
1994	39.9 °C5 August 1994	0.8 °C18 January 1994	18.4 °C	1,442 mm	86	0
1993	36.1 °C13 July 1993	-0.6 °C27 January 1993	17.5 °C	1,539 mm	48	3
1992	41.2 °C11 August 1992	0.3 °C24 December 1992	17.7 °C	1,272 mm	70	0
1991	37.2 °C25 July 1991	-2.5 °C28 December 1991	17.7 °C	1,320 mm	68	1
1990	37.6 °C27 August 1990	1.1 °C1 February 1990	18.4 °C	1,344 mm	87	0
1989	37.8 °C22 July 1989	0.2 °C16 January 1989	17.4 °C	1,562 mm	55	0
1988	37.1 °C19 July 1988	1.8 °C4 March 1988	17.7 °C	1,405 mm	66	0
1987	34.8 °C23 May 1987	1.8 °C5 December 1987	18.1 °C	1,454 mm	50	0
1986	36.8 °C11 August 1986	0.0 °C2 March 1986	17.4 °C	1,503 mm	62	0
1985	36.7 °C4 August 1985	0.2 °C18 January 1985	17.6 °C	1,474 mm	67	0
1984	36.7 °C1 August 1984	0.8 °C9 January 1984	17.4 °C	1,602 mm	62	0
1983	35.2 °C27 July 1983	1.0 °C24 January 1983	17.8 °C	1,474 mm	49	0
1982	36.5 °C3 August 1982	-6.8 °C27 December 1982	17.2 °C	1,664 mm	52	4
1981	37.0 °C19 August 1981	0.1 °C23 December 1981	17.8 °C	1,122 mm	73	0
1980	37.1 °C28 July 1980	-0.2 °C7 February 1980	17.8 °C	1,291 mm	51	1
1979	36.1 °C9 August 1979	0.0 °C29 December 1979	18.1 °C	1,626 mm	62	0
1978	39.6 °C3 September 1978	-0.3 °C19 January 1978	18.4 °C	1,073 mm	86	1
1977	37.4 °C8 August 1977	-1.9 °C29 January 1977	17.8 °C	1,325 mm	65	5
1976	39.5 °C20 August 1976	0.4 °C2 January 1976	17.5 °C	1,264 mm	56	0
1975	40.4 °C9 September 1975	-3.2 °C16 December 1975	18.3 °C	1,412 mm	77	6
1974	37.1 °C30 July 1974	1.5 °C18 January 1974	17.7 °C	1,685 mm	52	0
1973	37.2 °C26 August 1973	0.6 °C31 December 1973	18.6 °C	1,468 mm	75	0
1972	38.6 °C26 August 1972	-4.2 °C8 February 1972	17.9 °C	1,585 mm	80	3
1971	39.5 °C2 September 1971	2.0 °C10 January 1971	18.1 °C	1,155 mm	70	0
1970	37.6 °C17 August 1970	0.2 °C5 January 1970	17.7 °C	1,581 mm	70	0
1969	36.7 °C27 July 1969	0.9 °C16 January 1969	18.1 °C	1,323 mm	73	0
1968	36.4 °C31 July 1968	0.0 °C7 February 1968	17.5 °C	1,761 mm	49	0
1967	38.0 °C30 August 1967	-1.8 °C6 January 1967	17.6 °C	1,651 mm	66	2
1966	34.6 °C3 August 1966	-1.5 °C29 December 1966	17.5 °C	1,410 mm	56	3
1965	32.8 °C23 August 1965	-2.3 °C20 December 1965	17.1 °C	1,621 mm	38	2
1964	38.9 °C20 July 1964	0.7 °C25 February 1964	18.2 °C	1,581 mm	66	0
1963	36.3 °C4 June 1963	-2.5 °C14 January 1963	18.6 °C	1,542 mm	80	4
1962	37.4 °C18 July 1962	-0.5 °C27 January 1962	18.0 °C	1,532 mm	73	1
1961	39.5 °C23 July 1961	0.5 °C16 January 1961	18.6 °C	1,509 mm	96	0
1960	36.9 °C4 August 1960	-0.4 °C3 January 1960	18.2 °C	1,558 mm	73	1
1959	39.7 °C28 August 1959	-0.8 °C13 January 1959	18.6 °C	1,043 mm	91	1
1958	37.1 °C26 July 1958	0.3 °C15 January 1958	18.3 °C	1,489 mm	75	0
1957	37.4 °C31 August 1957	-0.4 °C7 February 1957	17.9 °C	1,493 mm	55	1
1956	33.5 °C3 July 1956	-4.8 °C12 January 1956	17.4 °C	1,615 mm	67	6
1955	33.0 °C10 September 1955	-3.8 °C6 January 1955	17.6 °C	1,365 mm	56	4
1954	33.8 °C3 September 1954	-0.6 °C26 January 1954	17.6 °C	1,906 mm	59	1
1953	35.8 °C18 August 1953	0.3 °C19 January 1953	18.4 °C	1,723 mm	73	0
1952	35.0 °C4 July 1952	-0.3 °C8 January 1952	18.1 °C	1,766 mm	58	1
1951	33.8 °C7 September 1951	-4.4 °C14 January 1951	17.7 °C	1,420 mm	68	3
1950	33.3 °C23 July 1950	-0.3 °C17 December 1950	17.4 °C	1,885 mm	31	1
1949	34.1 °C14 September 1949	-2.0 °C9 January 1949	17.9 °C	1,451 mm	69	1
1948	33.1 °C28 July 1948	-2.3 °C28 January 1948	17.9 °C	1,514 mm	66	5
1947	33.0 °C25 July 1947	-3.9 °C20 December 1947	18.0 °C	1,534 mm	66	5
1946	37.2 °C19 August 1946	-0.3 °C3 February 1946	18.4 °C	1,062 mm	89	1
1945	32.8 °C21 July 1945	-7.6 °C11 February 1945	16.8 °C	1,310 mm	44	14
1944	34.5 °C20 August 1944	-2.9 °C21 December 1944	17.3 °C	1,170 mm	80	7
1943	31.6 °C1 July 1943	-2.4 °C8 February 1943	17.6 °C	2,142 mm	27	1
1942	31.9 °C12 August 1942	-0.6 °C15 February 1942	18.0 °C	1,523 mm	53	2
1941	33.9 °C11 July 1941	0.1 °C27 January 1941	17.7 °C	1,573 mm	45	0
1940	34.6 °C19 August 1940	-2.5 °C25 January 1940	17.6 °C	1,269 mm	63	5

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?

Year

Across the whole year

Average daily high

22.9 °C

+1.7 °C

Hot days (≥ 30 °C)

106 d/yr

+37

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1414 mm

-28 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.7 °C	+1.7 °C	56 mm	+19 mm
Feb	11.8 °C	-0.3 °C	39 mm	-3 mm
Mar	17.0 °C	-0.1 °C	80 mm	-9 mm
Apr	25.1 °C	+3.0 °C	105 mm	-35 mm
May	28.0 °C	+2.4 °C	76 mm	-106 mm
Jun	29.5 °C	+1.3 °C	201 mm	+22 mm
Jul	34.6 °C	+3.0 °C	192 mm	-6 mm
Aug	34.1 °C	+2.1 °C	212 mm	+45 mm
Sep	28.7 °C	+1.5 °C	198 mm	+46 mm
Oct	23.6 °C	+2.4 °C	156 mm	+30 mm
Nov	16.6 °C	+0.3 °C	60 mm	-24 mm
Dec	13.1 °C	+1.8 °C	39 mm	-8 mm

The year's extremes

Hottest day

39.0 °C

16 Jul 2025

Coldest day

0.9 °C

27 Jan 2025

Wettest day

102.5 mm

11 Aug 2025

Windiest day

21.6 km/h

12 Apr 2025

Strongest gust

63.0 km/h

12 Apr 2025

Hottest feels-like

47.0 °C

16 Jul 2025

Coldest feels-like

-2.0 °C

27 Jan 2025

Sunniest day

13.9 h

16 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Cizhu?

Cizhu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,442 mm of precipitation per year.

What is the hottest day ever recorded in Cizhu?

The hottest day measured in Cizhu between 1940 and 2025 was 16 August 2011, reaching 42.4 °C.

What is the coldest day in Cizhu?

The coldest day measured in Cizhu between 1940 and 2025 was 11 February 1945, at -7.6 °C.

Does it snow in Cizhu?

Yes. Cizhu gets on average 2.2 cm of snow per year and has around 1 frost days.

Has the climate of Cizhu warmed?

Yes: Cizhu warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cizhu?

The wettest day measured in Cizhu between 1940 and 2025 was 3 July 1986, with 118 mm of rain in 24 hours.

What was the windiest day in Cizhu?

The windiest day measured in Cizhu between 1940 and 2025 was 24 May 1946, with winds reaching 45.8 km/h.

What is the warmest month in Cizhu?

The warmest month in Cizhu is August (28.0 °C on average); the coldest is January (7.5 °C).

How much does it rain in Cizhu?

Cizhu receives on average 1,442 mm of precipitation per year, spread over about 172 rainy days.

Is it sunny in Cizhu?

Cizhu gets on average 6.0 hours of sunshine per day, roughly 2,190 hours per year over 1940-2025.

What is the biggest single-day snowfall in Cizhu?

The heaviest 24-hour snowfall measured in Cizhu between 1940 and 2025 was 6 February 1972, with 10.1 cm.

Are there tropical nights in Cizhu?

Yes: Cizhu has on average 116 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cizhu?

In Cizhu, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 16 July 2025, and the lowest was -11.4 °C on 11 February 1945.

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