Changning climate — normals and trends

Q: What is the climate of Changning?

Changning has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 1,443 mm of precipitation per year.

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

The hottest day measured in Changning between 1940 and 2025 was 21 August 2022, reaching 41.9 °C.

Q: What is the coldest day in Changning?

The coldest day measured in Changning between 1940 and 2025 was 16 December 1975, at -10.9 °C.

Q: Does it snow in Changning?

Yes. Changning gets on average 2.5 cm of snow per year and has around 2 frost days.

Q: Has the climate of Changning warmed?

Yes: Changning warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Changning?

The wettest day measured in Changning between 1940 and 2025 was 25 July 1954, with 166 mm of rain in 24 hours.

Q: What was the windiest day in Changning?

The windiest day measured in Changning between 1940 and 2025 was 13 May 1946, with winds reaching 44.4 km/h.

Q: What is the warmest month in Changning?

The warmest month in Changning is July (26.8 °C on average); the coldest is January (7.2 °C).

Q: How much does it rain in Changning?

Changning receives on average 1,443 mm of precipitation per year, spread over about 199 rainy days.

Q: Is it sunny in Changning?

Changning gets on average 5.5 hours of sunshine per day, roughly 2,008 hours per year over 1940-2025.

Changning (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 1,443 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 (26.8 °C on average) and the coldest is January (7.2 °C). Rainfall peaks in July.

Changning averages 2 frost days, 54 hot days (≥ 30 °C) and 199 rainy days per year.

Changning has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The number of frost days there went from about 4 to 0 per year over the period.

The hottest day of the period reached 41.9 °C (on 21 August 2022) and the coldest -10.9 °C (on 16 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

ChangningSichuan

coords: 28.58°, 104.92°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

17.5°C

Average daily high

20.7°C

Average daily low

14.7°C

Annual rainfall

1,443mm

Sunshine / day

5.5h

Mean relative humidity

81%

Average peak wind

9.3km/h

Seasonal range

19.6°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

54 d/yr

Rainy days (≥ 1 mm)

199 d/yr

Annual snowfall

2.5 cm

Average feels-like high

22.1 °C

Average feels-like low

15.4 °C

Average peak gust

22.0 km/h

Tropical nights (≥ 20 °C)

108 d/yr

Solar radiation

11.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.31 · 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

41.9 °C

21 August 2022

Coldest day

-10.9 °C

16 December 1975

Wettest day

166 mm

25 July 1954

Windiest day

44.4 km/h

13 May 1946

Strongest gust

84.6 km/h

30 April 2001

Hottest feels-like

46.9 °C

11 July 2022

Coldest feels-like

-15.6 °C

16 December 1975

Snowiest day

6.2 cm

27 December 1991

Sunniest day

13.8 h

27 June 2023

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.9 °C3 August 2025	0.5 °C12 January 2025	18.7 °C	1,359 mm	89	0
2024	39.3 °C28 August 2024	1.7 °C22 January 2024	19.1 °C	1,406 mm	89	0
2023	37.3 °C27 June 2023	-0.8 °C17 January 2023	18.8 °C	1,172 mm	77	4
2022	41.9 °C21 August 2022	0.4 °C23 February 2022	18.8 °C	1,055 mm	80	0
2021	39.2 °C3 August 2021	-2.5 °C12 January 2021	18.1 °C	1,324 mm	63	5
2020	36.9 °C6 August 2020	0.4 °C21 December 2020	17.8 °C	1,438 mm	65	0
2019	36.9 °C11 August 2019	2.4 °C16 January 2019	17.9 °C	1,137 mm	54	0
2018	38.5 °C19 July 2018	-1.5 °C9 January 2018	17.9 °C	1,307 mm	67	1
2017	37.4 °C26 July 2017	1.4 °C21 December 2017	18.2 °C	1,001 mm	64	0
2016	37.8 °C25 August 2016	-2.2 °C25 January 2016	18.3 °C	1,532 mm	75	3
2015	37.1 °C2 August 2015	1.2 °C17 December 2015	18.5 °C	1,316 mm	47	0
2014	36.0 °C23 July 2014	0.7 °C19 December 2014	17.6 °C	1,294 mm	45	0
2013	36.1 °C14 July 2013	-1.2 °C1 January 2013	18.7 °C	1,353 mm	86	1
2012	37.0 °C12 August 2012	-1.0 °C31 December 2012	17.1 °C	1,314 mm	47	2
2011	39.4 °C17 August 2011	-1.4 °C21 January 2011	17.8 °C	1,024 mm	90	2
2010	37.5 °C11 August 2010	-0.1 °C16 January 2010	17.7 °C	1,219 mm	58	1
2009	37.1 °C19 July 2009	1.0 °C22 November 2009	18.2 °C	1,156 mm	66	0
2008	34.3 °C23 July 2008	-2.1 °C29 January 2008	17.7 °C	1,300 mm	64	4
2007	35.2 °C8 August 2007	0.5 °C19 January 2007	18.3 °C	1,312 mm	67	0
2006	38.8 °C12 August 2006	-1.8 °C9 January 2006	18.5 °C	1,331 mm	80	1
2005	36.6 °C1 August 2005	-1.2 °C2 January 2005	17.7 °C	1,397 mm	65	1
2004	35.0 °C25 July 2004	0.3 °C4 February 2004	17.6 °C	1,481 mm	50	0
2003	35.8 °C31 July 2003	0.8 °C10 January 2003	18.0 °C	1,257 mm	44	0
2002	37.0 °C16 July 2002	1.0 °C28 December 2002	18.2 °C	1,265 mm	54	0
2001	36.1 °C22 July 2001	0.2 °C23 December 2001	17.9 °C	1,210 mm	46	0
2000	36.1 °C26 July 2000	1.6 °C1 February 2000	17.4 °C	1,700 mm	52	0
1999	34.6 °C31 July 1999	-2.7 °C12 January 1999	17.8 °C	1,505 mm	40	3
1998	35.0 °C18 July 1998	-0.7 °C23 January 1998	18.4 °C	1,606 mm	55	1
1997	36.1 °C11 August 1997	0.8 °C24 January 1997	17.6 °C	1,328 mm	62	0
1996	36.3 °C23 August 1996	-0.9 °C24 February 1996	16.9 °C	1,374 mm	53	2
1995	37.0 °C6 September 1995	0.6 °C5 January 1995	17.4 °C	1,471 mm	62	0
1994	37.9 °C5 August 1994	-2.1 °C23 January 1994	17.8 °C	1,293 mm	75	2
1993	37.4 °C12 July 1993	-2.7 °C24 January 1993	17.1 °C	1,268 mm	42	3
1992	36.6 °C25 July 1992	-1.3 °C14 January 1992	17.1 °C	1,266 mm	51	1
1991	35.3 °C25 July 1991	-2.3 °C28 December 1991	17.3 °C	1,392 mm	51	4
1990	35.8 °C5 August 1990	1.8 °C16 January 1990	17.7 °C	1,390 mm	66	0
1989	35.8 °C11 June 1989	-3.3 °C14 January 1989	16.9 °C	1,573 mm	47	3
1988	36.3 °C3 May 1988	0.6 °C4 March 1988	17.0 °C	1,327 mm	55	0
1987	34.0 °C26 July 1987	1.4 °C27 January 1987	17.7 °C	1,409 mm	37	0
1986	35.2 °C10 August 1986	-2.2 °C3 March 1986	16.8 °C	1,463 mm	48	4
1985	36.0 °C5 August 1985	0.6 °C10 January 1985	16.9 °C	1,523 mm	45	0
1984	35.1 °C5 June 1984	-0.5 °C20 December 1984	16.8 °C	1,468 mm	47	1
1983	34.4 °C25 July 1983	0.6 °C24 January 1983	17.3 °C	1,741 mm	40	0
1982	34.5 °C3 August 1982	-2.1 °C26 December 1982	17.0 °C	1,515 mm	37	3
1981	35.5 °C7 July 1981	0.5 °C27 January 1981	17.2 °C	1,256 mm	55	0
1980	36.3 °C24 July 1980	-7.2 °C31 January 1980	17.2 °C	1,315 mm	50	9
1979	37.2 °C11 July 1979	-1.9 °C19 November 1979	17.5 °C	1,613 mm	38	2
1978	37.0 °C11 July 1978	-0.5 °C21 January 1978	17.6 °C	1,218 mm	68	1
1977	37.2 °C5 August 1977	-5.7 °C30 January 1977	17.3 °C	1,402 mm	60	12
1976	36.6 °C28 July 1976	-1.0 °C28 December 1976	16.6 °C	1,186 mm	39	5
1975	37.6 °C17 July 1975	-10.9 °C16 December 1975	17.5 °C	1,311 mm	62	8
1974	35.1 °C30 July 1974	-0.2 °C11 February 1974	17.1 °C	1,400 mm	35	1
1973	35.3 °C24 August 1973	1.2 °C31 December 1973	17.9 °C	1,420 mm	59	0
1972	38.0 °C26 August 1972	0.4 °C6 February 1972	17.5 °C	1,432 mm	67	0
1971	37.1 °C3 July 1971	1.6 °C3 January 1971	17.6 °C	1,421 mm	58	0
1970	36.7 °C16 August 1970	-2.1 °C7 January 1970	17.0 °C	1,346 mm	61	3
1969	35.6 °C30 May 1969	-0.9 °C16 January 1969	17.5 °C	1,695 mm	59	2
1968	35.0 °C31 July 1968	-1.5 °C14 February 1968	16.9 °C	1,943 mm	42	1
1967	36.6 °C17 July 1967	-2.8 °C6 January 1967	16.8 °C	1,700 mm	60	4
1966	34.4 °C3 August 1966	-1.3 °C29 January 1966	17.2 °C	1,366 mm	46	2
1965	32.5 °C30 July 1965	-1.6 °C20 December 1965	16.9 °C	1,642 mm	25	4
1964	35.0 °C12 July 1964	0.0 °C21 February 1964	17.4 °C	1,555 mm	44	0
1963	37.4 °C14 July 1963	-0.2 °C5 January 1963	18.3 °C	1,298 mm	64	2
1962	38.0 °C14 July 1962	-0.4 °C30 December 1962	17.5 °C	1,275 mm	55	2
1961	36.6 °C22 August 1961	-1.8 °C15 January 1961	17.7 °C	1,522 mm	77	2
1960	38.3 °C4 July 1960	-2.2 °C26 January 1960	17.7 °C	1,429 mm	54	3
1959	37.5 °C12 July 1959	-2.2 °C13 January 1959	17.7 °C	1,095 mm	68	2
1958	36.1 °C24 July 1958	-1.2 °C19 January 1958	17.8 °C	1,403 mm	67	3
1957	37.6 °C29 August 1957	-3.4 °C13 February 1957	17.1 °C	1,325 mm	46	2
1956	35.1 °C5 August 1956	-1.9 °C9 January 1956	17.2 °C	1,480 mm	47	5
1955	31.9 °C2 July 1955	-4.2 °C11 January 1955	17.2 °C	1,522 mm	36	9
1954	33.4 °C2 September 1954	-0.1 °C31 December 1954	17.3 °C	2,047 mm	33	1
1953	34.4 °C16 August 1953	0.5 °C27 January 1953	18.2 °C	1,566 mm	61	0
1952	34.2 °C2 July 1952	0.5 °C31 December 1952	17.8 °C	1,447 mm	45	0
1951	35.6 °C8 September 1951	-0.2 °C26 January 1951	17.3 °C	1,619 mm	55	1
1950	33.2 °C23 July 1950	-0.4 °C17 December 1950	17.1 °C	1,775 mm	26	1
1949	33.6 °C9 July 1949	-2.2 °C9 January 1949	17.5 °C	1,561 mm	43	2
1948	32.2 °C13 September 1948	-1.5 °C29 January 1948	17.5 °C	1,425 mm	36	4
1947	33.5 °C14 August 1947	-2.7 °C20 December 1947	17.6 °C	1,827 mm	46	3
1946	38.7 °C20 July 1946	-1.2 °C3 February 1946	17.7 °C	2,397 mm	82	5
1945	33.0 °C25 July 1945	-5.4 °C9 February 1945	16.4 °C	1,631 mm	25	15
1944	34.9 °C4 August 1944	-4.1 °C21 December 1944	16.5 °C	1,802 mm	40	11
1943	32.7 °C4 August 1943	-2.7 °C8 February 1943	17.1 °C	2,320 mm	12	1
1942	31.9 °C3 July 1942	-1.6 °C8 January 1942	17.5 °C	1,859 mm	22	1
1941	33.4 °C11 July 1941	-1.1 °C2 February 1941	17.2 °C	1,367 mm	34	2
1940	33.7 °C15 July 1940	-2.8 °C3 February 1940	17.1 °C	1,318 mm	45	3

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

22.2 °C

+1.5 °C

Hot days (≥ 30 °C)

89 d/yr

+35

Frost days (< 0 °C)

0 d/yr

-2

Annual rainfall

1359 mm

-84 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.4 °C	+1.8 °C	50 mm	+9 mm
Feb	10.9 °C	-0.8 °C	48 mm	+6 mm
Mar	16.1 °C	-0.7 °C	58 mm	-4 mm
Apr	24.6 °C	+2.5 °C	67 mm	-29 mm
May	27.1 °C	+1.6 °C	152 mm	+4 mm
Jun	30.2 °C	+2.4 °C	121 mm	-76 mm
Jul	33.4 °C	+2.8 °C	213 mm	-48 mm
Aug	32.9 °C	+2.5 °C	179 mm	-54 mm
Sep	27.6 °C	+1.6 °C	232 mm	+80 mm
Oct	22.4 °C	+1.9 °C	142 mm	+45 mm
Nov	16.2 °C	+0.2 °C	59 mm	-9 mm
Dec	12.7 °C	+1.8 °C	38 mm	-8 mm

The year's extremes

Hottest day

38.9 °C

3 Aug 2025

Coldest day

0.5 °C

12 Jan 2025

Wettest day

26.9 mm

12 Sep 2025

Windiest day

29.2 km/h

12 Apr 2025

Strongest gust

62.6 km/h

12 Apr 2025

Hottest feels-like

45.5 °C

16 Jul 2025

Coldest feels-like

-2.4 °C

12 Jan 2025

Sunniest day

13.8 h

10 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 Changning?

Changning has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 1,443 mm of precipitation per year.

What is the hottest day ever recorded in Changning?

The hottest day measured in Changning between 1940 and 2025 was 21 August 2022, reaching 41.9 °C.

What is the coldest day in Changning?

The coldest day measured in Changning between 1940 and 2025 was 16 December 1975, at -10.9 °C.

Does it snow in Changning?

Yes. Changning gets on average 2.5 cm of snow per year and has around 2 frost days.

Has the climate of Changning warmed?

Yes: Changning warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Changning?

The wettest day measured in Changning between 1940 and 2025 was 25 July 1954, with 166 mm of rain in 24 hours.

What was the windiest day in Changning?

The windiest day measured in Changning between 1940 and 2025 was 13 May 1946, with winds reaching 44.4 km/h.

What is the warmest month in Changning?

The warmest month in Changning is July (26.8 °C on average); the coldest is January (7.2 °C).

How much does it rain in Changning?

Changning receives on average 1,443 mm of precipitation per year, spread over about 199 rainy days.

Is it sunny in Changning?

Changning gets on average 5.5 hours of sunshine per day, roughly 2,008 hours per year over 1940-2025.

What is the biggest single-day snowfall in Changning?

The heaviest 24-hour snowfall measured in Changning between 1940 and 2025 was 27 December 1991, with 6.2 cm.

Are there tropical nights in Changning?

Yes: Changning has on average 108 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Changning?

In Changning, between 1940 and 2025, the highest apparent temperature reached 46.9 °C on 11 July 2022, and the lowest was -15.6 °C on 16 December 1975.

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