Jiang’an climate — normals and trends

Q: What is the climate of Jiang’an?

Jiang’an has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,278 mm of precipitation per year.

Q: What is the hottest day ever recorded in Jiang’an?

The hottest day measured in Jiang’an between 1940 and 2025 was 21 August 2022, reaching 42.8 °C.

Q: What is the coldest day in Jiang’an?

The coldest day measured in Jiang’an between 1940 and 2025 was 15 December 1975, at -6.0 °C.

Q: Does it snow in Jiang’an?

Yes. Jiang’an gets on average 1.2 cm of snow per year and has around 1 frost days.

Q: Has the climate of Jiang’an warmed?

Yes: Jiang’an warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Jiang’an?

The wettest day measured in Jiang’an between 1940 and 2025 was 25 July 1954, with 245 mm of rain in 24 hours.

Q: What was the windiest day in Jiang’an?

The windiest day measured in Jiang’an between 1940 and 2025 was 13 May 1946, with winds reaching 52.9 km/h.

Q: What is the warmest month in Jiang’an?

The warmest month in Jiang’an is July (27.5 °C on average); the coldest is January (8.0 °C).

Q: How much does it rain in Jiang’an?

Jiang’an receives on average 1,278 mm of precipitation per year, spread over about 187 rainy days.

Q: Is it sunny in Jiang’an?

Jiang’an gets on average 5.9 hours of sunshine per day, roughly 2,154 hours per year over 1940-2025.

Jiang’an (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.2 °C and it receives 1,278 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 (27.5 °C on average) and the coldest is January (8.0 °C). Rainfall peaks in July.

Jiang’an averages 1 frost days, 66 hot days (≥ 30 °C) and 187 rainy days per year.

Jiang’an has warmed by +1.2 °C between 1940 and 2025, or +0.14 °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 42.8 °C (on 21 August 2022) and the coldest -6.0 °C (on 15 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

Jiang’anSichuan

coords: 28.73°, 105.07°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

18.2°C

Average daily high

21.4°C

Average daily low

15.5°C

Annual rainfall

1,278mm

Sunshine / day

5.9h

Mean relative humidity

80%

Average peak wind

9.8km/h

Seasonal range

19.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

66 d/yr

Rainy days (≥ 1 mm)

187 d/yr

Annual snowfall

1.2 cm

Average feels-like high

22.9 °C

Average feels-like low

16.3 °C

Average peak gust

21.5 km/h

Tropical nights (≥ 20 °C)

123 d/yr

Solar radiation

11.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.34 · 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

42.8 °C

21 August 2022

Coldest day

-6.0 °C

15 December 1975

Wettest day

245 mm

25 July 1954

Windiest day

52.9 km/h

13 May 1946

Strongest gust

80.3 km/h

30 April 2001

Hottest feels-like

47.9 °C

16 July 2002

Coldest feels-like

-10.5 °C

15 December 1975

Snowiest day

4.7 cm

29 January 1977

Sunniest day

13.8 h

12 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.1 °C3 August 2025	1.9 °C12 January 2025	19.6 °C	1,212 mm	107	0
2024	40.6 °C28 August 2024	2.3 °C22 January 2024	20.0 °C	1,249 mm	103	0
2023	39.6 °C23 July 2023	-0.2 °C18 January 2023	19.7 °C	1,056 mm	95	1
2022	42.8 °C21 August 2022	1.8 °C23 February 2022	19.6 °C	946 mm	93	0
2021	39.7 °C3 August 2021	-1.7 °C12 January 2021	18.8 °C	1,192 mm	77	1
2020	37.6 °C6 August 2020	2.7 °C27 December 2020	18.6 °C	1,201 mm	78	0
2019	37.6 °C26 August 2019	3.7 °C29 December 2019	18.7 °C	967 mm	66	0
2018	38.7 °C19 July 2018	0.6 °C10 January 2018	18.7 °C	1,265 mm	81	0
2017	38.0 °C26 July 2017	2.3 °C21 December 2017	19.0 °C	899 mm	80	0
2016	38.8 °C25 August 2016	-0.3 °C25 January 2016	19.0 °C	1,354 mm	80	1
2015	37.6 °C2 August 2015	4.3 °C30 January 2015	19.3 °C	1,160 mm	68	0
2014	37.0 °C26 July 2014	2.1 °C19 February 2014	18.4 °C	1,178 mm	53	0
2013	37.6 °C15 July 2013	1.5 °C7 January 2013	19.6 °C	1,194 mm	96	0
2012	37.8 °C12 August 2012	0.1 °C31 December 2012	17.9 °C	1,098 mm	62	0
2011	41.4 °C17 August 2011	0.5 °C21 January 2011	18.8 °C	853 mm	103	0
2010	38.6 °C11 August 2010	1.3 °C19 February 2010	18.6 °C	1,125 mm	71	0
2009	38.4 °C19 July 2009	2.4 °C27 January 2009	19.2 °C	969 mm	86	0
2008	36.1 °C23 July 2008	-0.4 °C29 January 2008	18.5 °C	1,105 mm	77	2
2007	36.0 °C8 August 2007	2.3 °C19 January 2007	19.1 °C	1,225 mm	82	0
2006	40.1 °C12 August 2006	0.4 °C9 January 2006	19.3 °C	1,170 mm	86	0
2005	36.7 °C1 August 2005	-0.4 °C2 January 2005	18.4 °C	1,266 mm	75	1
2004	35.6 °C11 August 2004	1.4 °C31 December 2004	18.3 °C	1,290 mm	61	0
2003	36.6 °C31 July 2003	2.8 °C10 January 2003	18.7 °C	1,131 mm	55	0
2002	38.0 °C16 July 2002	2.1 °C28 December 2002	18.9 °C	1,089 mm	61	0
2001	36.6 °C22 July 2001	1.8 °C22 December 2001	18.7 °C	1,161 mm	55	0
2000	36.6 °C25 July 2000	3.1 °C28 January 2000	18.2 °C	1,552 mm	63	0
1999	35.7 °C31 July 1999	1.3 °C12 January 1999	18.5 °C	1,358 mm	53	0
1998	35.8 °C18 July 1998	0.4 °C23 January 1998	19.2 °C	1,396 mm	79	0
1997	37.1 °C11 August 1997	2.2 °C24 January 1997	18.4 °C	1,157 mm	71	0
1996	37.0 °C4 August 1996	1.2 °C24 February 1996	17.6 °C	1,319 mm	60	0
1995	37.8 °C6 September 1995	2.7 °C5 January 1995	18.2 °C	1,224 mm	72	0
1994	38.7 °C5 August 1994	0.6 °C23 January 1994	18.6 °C	1,179 mm	86	0
1993	37.5 °C12 July 1993	0.9 °C24 January 1993	17.9 °C	1,079 mm	51	0
1992	37.5 °C25 July 1992	1.4 °C14 January 1992	17.8 °C	1,074 mm	59	0
1991	36.2 °C25 July 1991	-0.2 °C27 December 1991	18.0 °C	1,192 mm	62	1
1990	36.5 °C5 August 1990	3.3 °C31 January 1990	18.4 °C	1,155 mm	79	0
1989	36.1 °C11 June 1989	-0.4 °C14 January 1989	17.6 °C	1,397 mm	54	1
1988	36.9 °C3 May 1988	1.5 °C18 January 1988	17.7 °C	1,182 mm	61	0
1987	34.8 °C3 June 1987	2.7 °C27 January 1987	18.3 °C	1,264 mm	52	0
1986	36.1 °C11 August 1986	-0.9 °C3 March 1986	17.5 °C	1,321 mm	62	1
1985	36.4 °C5 August 1985	2.0 °C18 January 1985	17.6 °C	1,439 mm	55	0
1984	36.4 °C5 June 1984	1.2 °C19 December 1984	17.5 °C	1,370 mm	61	0
1983	35.4 °C25 July 1983	2.4 °C11 January 1983	18.0 °C	1,480 mm	52	0
1982	35.9 °C3 August 1982	-0.6 °C26 December 1982	17.7 °C	1,373 mm	52	1
1981	35.9 °C7 July 1981	1.9 °C27 January 1981	18.0 °C	1,128 mm	65	0
1980	37.1 °C24 July 1980	-4.6 °C31 January 1980	18.0 °C	1,136 mm	57	3
1979	36.4 °C11 July 1979	-1.8 °C19 November 1979	18.3 °C	1,420 mm	50	1
1978	37.7 °C11 July 1978	2.0 °C21 January 1978	18.4 °C	1,064 mm	82	0
1977	37.7 °C5 August 1977	-2.2 °C30 January 1977	18.1 °C	1,240 mm	69	2
1976	37.0 °C29 July 1976	1.0 °C29 December 1976	17.4 °C	979 mm	55	0
1975	38.0 °C17 July 1975	-6.0 °C15 December 1975	18.2 °C	1,225 mm	69	5
1974	35.8 °C25 July 1974	1.3 °C11 February 1974	17.9 °C	1,248 mm	45	0
1973	36.2 °C26 August 1973	2.4 °C31 December 1973	18.6 °C	1,305 mm	70	0
1972	38.6 °C13 August 1972	1.0 °C6 February 1972	18.3 °C	1,191 mm	79	0
1971	37.5 °C3 July 1971	3.2 °C8 January 1971	18.4 °C	1,167 mm	66	0
1970	37.1 °C16 August 1970	-1.0 °C7 January 1970	17.8 °C	1,224 mm	67	1
1969	36.6 °C2 August 1969	0.9 °C4 February 1969	18.3 °C	1,324 mm	80	0
1968	35.5 °C31 July 1968	2.0 °C12 February 1968	17.6 °C	1,657 mm	50	0
1967	36.7 °C17 July 1967	-1.2 °C12 January 1967	17.6 °C	1,487 mm	62	2
1966	34.6 °C27 July 1966	-1.0 °C29 January 1966	17.9 °C	1,208 mm	54	1
1965	33.0 °C7 July 1965	1.2 °C17 December 1965	17.6 °C	1,484 mm	36	0
1964	35.7 °C4 July 1964	1.8 °C26 February 1964	18.1 °C	1,490 mm	54	0
1963	38.7 °C26 July 1963	1.1 °C15 January 1963	19.1 °C	1,120 mm	83	0
1962	38.4 °C14 July 1962	-0.1 °C30 December 1962	18.2 °C	1,152 mm	67	1
1961	36.9 °C22 August 1961	0.5 °C15 January 1961	18.5 °C	1,401 mm	89	0
1960	38.4 °C4 July 1960	-1.0 °C26 January 1960	18.4 °C	1,304 mm	70	1
1959	37.9 °C12 July 1959	1.0 °C12 January 1959	18.5 °C	1,001 mm	85	0
1958	37.0 °C24 July 1958	0.4 °C16 January 1958	18.5 °C	1,217 mm	79	0
1957	38.0 °C31 August 1957	-1.9 °C13 February 1957	17.9 °C	1,166 mm	48	1
1956	35.0 °C5 August 1956	-1.1 °C10 January 1956	17.9 °C	1,355 mm	64	2
1955	32.6 °C2 July 1955	-1.8 °C6 January 1955	17.9 °C	1,486 mm	57	4
1954	33.8 °C2 September 1954	0.6 °C31 December 1954	18.0 °C	1,920 mm	50	0
1953	35.1 °C16 August 1953	1.9 °C27 January 1953	18.8 °C	1,366 mm	73	0
1952	34.7 °C4 July 1952	1.2 °C18 February 1952	18.4 °C	1,416 mm	56	0
1951	35.0 °C5 September 1951	0.8 °C24 January 1951	18.0 °C	1,473 mm	65	0
1950	34.0 °C23 July 1950	1.5 °C24 December 1950	17.8 °C	1,558 mm	36	0
1949	34.3 °C9 July 1949	0.7 °C8 January 1949	18.2 °C	1,347 mm	65	0
1948	32.7 °C13 September 1948	0.0 °C9 February 1948	18.2 °C	1,257 mm	50	0
1947	33.9 °C14 August 1947	-1.4 °C20 December 1947	18.3 °C	1,508 mm	64	2
1946	39.3 °C20 July 1946	-0.2 °C14 January 1946	18.4 °C	2,044 mm	90	1
1945	33.7 °C5 June 1945	-2.5 °C9 February 1945	17.1 °C	1,399 mm	40	12
1944	35.7 °C4 August 1944	-3.0 °C21 December 1944	17.2 °C	1,541 mm	57	8
1943	33.6 °C4 August 1943	-0.8 °C8 February 1943	17.8 °C	1,990 mm	24	1
1942	32.4 °C3 July 1942	1.4 °C8 January 1942	18.3 °C	1,757 mm	37	0
1941	33.9 °C11 July 1941	1.4 °C30 January 1941	18.0 °C	1,150 mm	45	0
1940	34.0 °C14 July 1940	0.3 °C3 February 1940	17.8 °C	1,138 mm	61	0

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

23.2 °C

+1.8 °C

Hot days (≥ 30 °C)

107 d/yr

+41

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1212 mm

-66 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.2 °C	+1.8 °C	48 mm	+11 mm
Feb	11.7 °C	-0.8 °C	38 mm	+2 mm
Mar	17.2 °C	-0.5 °C	49 mm	-3 mm
Apr	25.7 °C	+2.8 °C	50 mm	-30 mm
May	28.3 °C	+1.9 °C	113 mm	-10 mm
Jun	31.8 °C	+3.2 °C	124 mm	-46 mm
Jul	34.6 °C	+3.3 °C	218 mm	-22 mm
Aug	34.1 °C	+2.9 °C	164 mm	-57 mm
Sep	28.5 °C	+1.7 °C	220 mm	+88 mm
Oct	23.1 °C	+1.9 °C	108 mm	+24 mm
Nov	16.7 °C	+0.1 °C	50 mm	-11 mm
Dec	13.4 °C	+1.8 °C	31 mm	-11 mm

The year's extremes

Hottest day

41.1 °C

3 Aug 2025

Coldest day

1.9 °C

12 Jan 2025

Wettest day

36.4 mm

30 Jun 2025

Windiest day

30.3 km/h

12 Apr 2025

Strongest gust

56.2 km/h

12 Apr 2025

Hottest feels-like

46.9 °C

16 Jul 2025

Coldest feels-like

-0.5 °C

12 Jan 2025

Sunniest day

13.8 h

12 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 Jiang’an?

Jiang’an has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,278 mm of precipitation per year.

What is the hottest day ever recorded in Jiang’an?

The hottest day measured in Jiang’an between 1940 and 2025 was 21 August 2022, reaching 42.8 °C.

What is the coldest day in Jiang’an?

The coldest day measured in Jiang’an between 1940 and 2025 was 15 December 1975, at -6.0 °C.

Does it snow in Jiang’an?

Yes. Jiang’an gets on average 1.2 cm of snow per year and has around 1 frost days.

Has the climate of Jiang’an warmed?

Yes: Jiang’an warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Jiang’an?

The wettest day measured in Jiang’an between 1940 and 2025 was 25 July 1954, with 245 mm of rain in 24 hours.

What was the windiest day in Jiang’an?

The windiest day measured in Jiang’an between 1940 and 2025 was 13 May 1946, with winds reaching 52.9 km/h.

What is the warmest month in Jiang’an?

The warmest month in Jiang’an is July (27.5 °C on average); the coldest is January (8.0 °C).

How much does it rain in Jiang’an?

Jiang’an receives on average 1,278 mm of precipitation per year, spread over about 187 rainy days.

Is it sunny in Jiang’an?

Jiang’an gets on average 5.9 hours of sunshine per day, roughly 2,154 hours per year over 1940-2025.

What is the biggest single-day snowfall in Jiang’an?

The heaviest 24-hour snowfall measured in Jiang’an between 1940 and 2025 was 29 January 1977, with 4.7 cm.

Are there tropical nights in Jiang’an?

Yes: Jiang’an has on average 123 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Jiang’an?

In Jiang’an, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 16 July 2002, and the lowest was -10.5 °C on 15 December 1975.

Compare Jiang’an with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Jiang’an

Other cities — China

All cities in China →