Jianchang climate — normals and trends

Q: What is the climate of Jianchang?

Jianchang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 1,775 mm of precipitation per year.

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

The hottest day measured in Jianchang between 1940 and 2025 was 14 July 2003, reaching 41.1 °C.

Q: What is the coldest day in Jianchang?

The coldest day measured in Jianchang between 1940 and 2025 was 14 January 1951, at -11.1 °C.

Q: Does it snow in Jianchang?

Yes. Jianchang gets on average 7.2 cm of snow per year and has around 10 frost days.

Q: Has the climate of Jianchang warmed?

Yes: Jianchang warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Jianchang?

The wettest day measured in Jianchang between 1940 and 2025 was 30 July 1950, with 144 mm of rain in 24 hours.

Q: What was the windiest day in Jianchang?

The windiest day measured in Jianchang between 1940 and 2025 was 27 September 1969, with winds reaching 32.4 km/h.

Q: What is the warmest month in Jianchang?

The warmest month in Jianchang is July (29.5 °C on average); the coldest is January (7.1 °C).

Q: How much does it rain in Jianchang?

Jianchang receives on average 1,775 mm of precipitation per year, spread over about 151 rainy days.

Q: Is it sunny in Jianchang?

Jianchang gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.

Jianchang (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.8 °C and it receives 1,775 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 (29.5 °C on average) and the coldest is January (7.1 °C). Rainfall peaks in June.

Jianchang averages 10 frost days, 102 hot days (≥ 30 °C) and 151 rainy days per year.

Jianchang has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The number of frost days there went from about 15 to 5 per year over the period.

The hottest day of the period reached 41.1 °C (on 14 July 2003) and the coldest -11.1 °C (on 14 January 1951).

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

JianchangJiangxi

coords: 27.56°, 116.64°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

18.8°C

Average daily high

23.2°C

Average daily low

15.3°C

Annual rainfall

1,775mm

Sunshine / day

7.3h

Mean relative humidity

78%

Average peak wind

11.3km/h

Seasonal range

22.4°C

Frost days (< 0 °C)

10 d/yr

Hot days (≥ 30 °C)

102 d/yr

Rainy days (≥ 1 mm)

151 d/yr

Annual snowfall

7.2 cm

Average feels-like high

24.7 °C

Average feels-like low

16.1 °C

Average peak gust

29.0 km/h

Tropical nights (≥ 20 °C)

137 d/yr

Solar radiation

13.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.37 · 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

41.1 °C

14 July 2003

Coldest day

-11.1 °C

14 January 1951

Wettest day

144 mm

30 July 1950

Windiest day

32.4 km/h

27 September 1969

Strongest gust

88.9 km/h

16 April 2016

Hottest feels-like

46.9 °C

8 August 1981

Coldest feels-like

-15.3 °C

14 January 1951

Snowiest day

14.1 cm

13 January 1989

Sunniest day

13.6 h

9 June 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.9 °C7 October 2025	-1.5 °C12 January 2025	20.8 °C	1,289 mm	147	3
2024	39.2 °C21 July 2024	-7.8 °C24 January 2024	20.3 °C	2,040 mm	118	5
2023	38.5 °C11 July 2023	-3.3 °C23 December 2023	20.1 °C	1,588 mm	117	9
2022	41.1 °C23 July 2022	-1.8 °C18 December 2022	20.2 °C	1,768 mm	124	1
2021	38.0 °C14 July 2021	-5.2 °C9 January 2021	20.4 °C	1,678 mm	126	9
2020	37.5 °C15 August 2020	-2.4 °C31 December 2020	20.0 °C	1,510 mm	113	1
2019	38.0 °C13 September 2019	0.2 °C23 January 2019	19.8 °C	1,864 mm	116	0
2018	37.1 °C19 September 2018	-2.6 °C6 February 2018	19.7 °C	1,252 mm	114	10
2017	39.2 °C22 July 2017	-0.9 °C18 December 2017	19.9 °C	1,425 mm	116	2
2016	38.0 °C25 July 2016	-5.5 °C25 January 2016	19.8 °C	2,148 mm	107	5
2015	37.8 °C3 August 2015	0.0 °C17 December 2015	19.3 °C	2,277 mm	95	0
2014	36.6 °C22 July 2014	-3.1 °C23 January 2014	19.6 °C	1,563 mm	105	9
2013	40.9 °C9 August 2013	-3.7 °C28 December 2013	19.8 °C	1,282 mm	120	10
2012	38.3 °C1 August 2012	-3.7 °C31 December 2012	18.8 °C	2,305 mm	98	4
2011	38.9 °C25 July 2011	-2.2 °C12 January 2011	18.9 °C	1,119 mm	117	12
2010	40.1 °C4 August 2010	-4.0 °C18 December 2010	19.2 °C	2,100 mm	99	7
2009	38.2 °C28 August 2009	-3.4 °C14 January 2009	19.4 °C	1,431 mm	115	12
2008	39.7 °C20 August 2008	-1.5 °C2 January 2008	19.2 °C	1,552 mm	110	9
2007	39.7 °C24 July 2007	-1.6 °C29 January 2007	20.0 °C	1,169 mm	114	3
2006	39.3 °C10 August 2006	-3.1 °C7 January 2006	19.3 °C	1,737 mm	105	4
2005	39.0 °C15 July 2005	-3.9 °C1 January 2005	19.1 °C	2,004 mm	111	18
2004	38.2 °C8 August 2004	-2.9 °C25 January 2004	19.3 °C	1,370 mm	108	5
2003	41.1 °C14 July 2003	-2.9 °C20 December 2003	19.8 °C	1,273 mm	124	11
2002	36.6 °C15 July 2002	-1.0 °C3 January 2002	19.3 °C	2,154 mm	102	2
2001	39.4 °C11 July 2001	-1.3 °C26 December 2001	19.1 °C	1,835 mm	100	8
2000	38.9 °C16 July 2000	-3.1 °C27 January 2000	18.8 °C	2,092 mm	104	7
1999	36.1 °C8 September 1999	-4.5 °C23 December 1999	19.3 °C	2,024 mm	97	8
1998	38.4 °C24 August 1998	-1.5 °C25 January 1998	19.9 °C	2,014 mm	122	5
1997	35.4 °C28 July 1997	-1.5 °C10 January 1997	18.8 °C	2,483 mm	81	7
1996	38.3 °C25 July 1996	-1.0 °C2 January 1996	18.7 °C	1,628 mm	112	2
1995	38.8 °C5 September 1995	-2.4 °C5 February 1995	18.7 °C	1,975 mm	91	10
1994	39.3 °C2 July 1994	-3.3 °C21 January 1994	18.9 °C	2,458 mm	100	4
1993	37.6 °C25 August 1993	-3.5 °C28 January 1993	18.4 °C	2,020 mm	86	16
1992	38.5 °C29 July 1992	-2.8 °C15 January 1992	18.5 °C	2,419 mm	89	7
1991	40.2 °C18 July 1991	-8.5 °C29 December 1991	18.8 °C	1,552 mm	105	4
1990	38.6 °C20 July 1990	-3.3 °C1 February 1990	18.9 °C	2,074 mm	88	2
1989	39.4 °C21 July 1989	-1.2 °C14 January 1989	18.6 °C	1,837 mm	84	4
1988	40.1 °C17 July 1988	-0.6 °C12 December 1988	18.3 °C	1,762 mm	97	2
1987	36.8 °C12 July 1987	-1.5 °C7 December 1987	18.9 °C	1,852 mm	97	3
1986	38.7 °C29 July 1986	-3.0 °C7 January 1986	18.9 °C	1,592 mm	116	7
1985	37.4 °C28 August 1985	-3.1 °C16 December 1985	18.4 °C	1,754 mm	114	12
1984	37.8 °C7 August 1984	-3.8 °C29 December 1984	17.9 °C	1,878 mm	101	20
1983	38.1 °C24 July 1983	-1.9 °C31 December 1983	18.8 °C	2,139 mm	112	12
1982	36.5 °C21 July 1982	-2.1 °C29 December 1982	18.5 °C	2,147 mm	91	12
1981	39.5 °C8 August 1981	-2.3 °C3 January 1981	18.6 °C	2,120 mm	97	11
1980	38.0 °C25 July 1980	-7.3 °C1 February 1980	17.7 °C	2,120 mm	96	17
1979	39.3 °C7 August 1979	-4.3 °C1 February 1979	19.0 °C	1,501 mm	105	12
1978	38.9 °C5 July 1978	-2.1 °C18 February 1978	19.0 °C	1,707 mm	104	9
1977	37.3 °C5 September 1977	-7.2 °C31 January 1977	18.5 °C	1,959 mm	88	17
1976	38.0 °C17 August 1976	-4.1 °C28 December 1976	17.9 °C	2,272 mm	85	14
1975	37.9 °C27 July 1975	-2.3 °C16 December 1975	18.4 °C	2,517 mm	99	12
1974	36.7 °C9 August 1974	-2.7 °C2 January 1974	18.4 °C	1,711 mm	96	17
1973	37.4 °C22 August 1973	-5.3 °C26 December 1973	18.6 °C	2,242 mm	93	12
1972	37.3 °C9 July 1972	-6.5 °C11 February 1972	18.3 °C	1,952 mm	92	11
1971	39.2 °C24 July 1971	-2.5 °C10 January 1971	18.6 °C	1,477 mm	100	15
1970	37.5 °C9 August 1970	-4.0 °C5 January 1970	18.1 °C	2,089 mm	95	15
1969	40.6 °C2 August 1969	-8.7 °C5 February 1969	18.3 °C	1,846 mm	106	26
1968	38.5 °C30 July 1968	-3.9 °C8 February 1968	18.8 °C	2,141 mm	98	17
1967	38.9 °C18 July 1967	-7.0 °C16 January 1967	18.5 °C	1,346 mm	112	32
1966	37.3 °C6 August 1966	-3.9 °C27 December 1966	18.6 °C	1,557 mm	88	6
1965	36.8 °C20 July 1965	-4.3 °C31 December 1965	17.8 °C	2,042 mm	65	11
1964	39.7 °C6 September 1964	-2.3 °C21 December 1964	19.1 °C	1,725 mm	113	15
1963	39.8 °C1 September 1963	-4.8 °C8 January 1963	19.1 °C	1,040 mm	118	27
1962	37.8 °C30 July 1962	-3.6 °C2 January 1962	18.5 °C	2,734 mm	95	12
1961	40.0 °C22 July 1961	-3.2 °C19 January 1961	19.3 °C	2,035 mm	109	12
1960	37.1 °C29 September 1960	-4.1 °C27 January 1960	18.8 °C	1,415 mm	100	11
1959	38.0 °C31 July 1959	-4.2 °C11 January 1959	18.3 °C	1,996 mm	90	12
1958	39.1 °C18 August 1958	-4.3 °C24 January 1958	18.3 °C	1,418 mm	99	17
1957	39.7 °C23 July 1957	-5.1 °C11 February 1957	18.2 °C	1,502 mm	87	13
1956	38.6 °C11 July 1956	-4.5 °C24 January 1956	18.1 °C	1,605 mm	100	13
1955	36.4 °C10 August 1955	-6.2 °C11 January 1955	19.0 °C	1,433 mm	109	17
1954	39.9 °C14 August 1954	-3.1 °C26 January 1954	19.6 °C	1,513 mm	123	11
1953	41.0 °C12 August 1953	-1.2 °C11 December 1953	19.6 °C	1,412 mm	119	5
1952	35.7 °C10 September 1952	-3.9 °C19 February 1952	18.7 °C	1,955 mm	97	12
1951	38.3 °C9 September 1951	-11.1 °C14 January 1951	18.5 °C	2,108 mm	86	16
1950	37.2 °C18 July 1950	-3.2 °C17 December 1950	18.6 °C	1,926 mm	73	6
1949	35.6 °C18 September 1949	-5.0 °C9 January 1949	19.0 °C	1,885 mm	97	7
1948	36.4 °C8 August 1948	-3.4 °C26 January 1948	19.4 °C	1,417 mm	101	6
1947	37.2 °C27 August 1947	-3.6 °C20 December 1947	18.6 °C	1,817 mm	96	12
1946	39.5 °C4 September 1946	-3.4 °C5 January 1946	20.1 °C	781 mm	141	8
1945	35.6 °C29 July 1945	-5.9 °C8 February 1945	17.3 °C	907 mm	86	26
1944	36.8 °C2 August 1944	-4.0 °C18 December 1944	18.4 °C	1,328 mm	102	20
1943	32.6 °C24 March 1943	-4.0 °C12 January 1943	18.6 °C	1,420 mm	64	5
1942	35.6 °C8 August 1942	-3.2 °C14 February 1942	18.6 °C	1,492 mm	91	9
1941	33.0 °C11 July 1941	-4.1 °C25 January 1941	18.1 °C	2,013 mm	56	8
1940	35.7 °C15 August 1940	-5.3 °C24 January 1940	17.8 °C	1,717 mm	81	12

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

25.7 °C

+2.5 °C

Hot days (≥ 30 °C)

147 d/yr

+45

Frost days (< 0 °C)

3 d/yr

-7

Annual rainfall

1289 mm

-486 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.2 °C	+4.9 °C	32 mm	-35 mm
Feb	12.1 °C	-0.9 °C	62 mm	-43 mm
Mar	19.5 °C	+2.1 °C	130 mm	-61 mm
Apr	25.6 °C	+2.6 °C	204 mm	-59 mm
May	28.3 °C	+1.3 °C	325 mm	+8 mm
Jun	32.2 °C	+2.3 °C	178 mm	-152 mm
Jul	34.2 °C	+0.2 °C	171 mm	+55 mm
Aug	35.3 °C	+1.6 °C	37 mm	-71 mm
Sep	35.5 °C	+5.0 °C	67 mm	-18 mm
Oct	29.7 °C	+4.5 °C	27 mm	-43 mm
Nov	20.2 °C	+0.8 °C	43 mm	-25 mm
Dec	18.4 °C	+4.8 °C	15 mm	-41 mm

The year's extremes

Hottest day

38.9 °C

7 Oct 2025

Coldest day

-1.5 °C

12 Jan 2025

Wettest day

64.0 mm

19 Apr 2025

Windiest day

29.6 km/h

12 Apr 2025

Strongest gust

65.5 km/h

22 Apr 2025

Hottest feels-like

44.7 °C

3 Jul 2025

Coldest feels-like

-5.0 °C

12 Jan 2025

Sunniest day

13.2 h

6 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 Jianchang?

Jianchang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 1,775 mm of precipitation per year.

What is the hottest day ever recorded in Jianchang?

The hottest day measured in Jianchang between 1940 and 2025 was 14 July 2003, reaching 41.1 °C.

What is the coldest day in Jianchang?

The coldest day measured in Jianchang between 1940 and 2025 was 14 January 1951, at -11.1 °C.

Does it snow in Jianchang?

Yes. Jianchang gets on average 7.2 cm of snow per year and has around 10 frost days.

Has the climate of Jianchang warmed?

Yes: Jianchang warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Jianchang?

The wettest day measured in Jianchang between 1940 and 2025 was 30 July 1950, with 144 mm of rain in 24 hours.

What was the windiest day in Jianchang?

The windiest day measured in Jianchang between 1940 and 2025 was 27 September 1969, with winds reaching 32.4 km/h.

What is the warmest month in Jianchang?

The warmest month in Jianchang is July (29.5 °C on average); the coldest is January (7.1 °C).

How much does it rain in Jianchang?

Jianchang receives on average 1,775 mm of precipitation per year, spread over about 151 rainy days.

Is it sunny in Jianchang?

Jianchang gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.

What is the biggest single-day snowfall in Jianchang?

The heaviest 24-hour snowfall measured in Jianchang between 1940 and 2025 was 13 January 1989, with 14.1 cm.

Are there tropical nights in Jianchang?

Yes: Jianchang has on average 137 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Jianchang?

In Jianchang, between 1940 and 2025, the highest apparent temperature reached 46.9 °C on 8 August 1981, and the lowest was -15.3 °C on 14 January 1951.

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