Ji’an climate — normals and trends

Q: What is the climate of Ji’an?

Ji’an has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 1,522 mm of precipitation per year.

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

The hottest day measured in Ji’an between 1940 and 2025 was 16 July 2003, reaching 42.0 °C.

Q: What is the coldest day in Ji’an?

The coldest day measured in Ji’an between 1940 and 2025 was 14 January 1951, at -10.7 °C.

Q: Does it snow in Ji’an?

Yes. Ji’an gets on average 4.3 cm of snow per year and has around 7 frost days.

Q: Has the climate of Ji’an warmed?

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

Q: What is the wettest day in Ji’an?

The wettest day measured in Ji’an between 1940 and 2025 was 9 July 1968, with 193 mm of rain in 24 hours.

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

The windiest day measured in Ji’an between 1940 and 2025 was 16 March 1996, with winds reaching 43.0 km/h.

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

The warmest month in Ji’an is July (30.3 °C on average); the coldest is January (7.6 °C).

Q: How much does it rain in Ji’an?

Ji’an receives on average 1,522 mm of precipitation per year, spread over about 149 rainy days.

Q: Is it sunny in Ji’an?

Ji’an gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.

Ji’an (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 1,522 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 (30.3 °C on average) and the coldest is January (7.6 °C). Rainfall peaks in June.

Ji’an averages 7 frost days, 111 hot days (≥ 30 °C) and 149 rainy days per year.

Ji’an has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The number of frost days there went from about 11 to 3 per year over the period.

The hottest day of the period reached 42.0 °C (on 16 July 2003) and the coldest -10.7 °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

Ji’anJiangxi

coords: 27.12°, 114.98°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

19.4°C

Average daily high

23.5°C

Average daily low

16.1°C

Annual rainfall

1,522mm

Sunshine / day

7.5h

Mean relative humidity

75%

Average peak wind

13.6km/h

Seasonal range

22.7°C

Frost days (< 0 °C)

7 d/yr

Hot days (≥ 30 °C)

111 d/yr

Rainy days (≥ 1 mm)

149 d/yr

Annual snowfall

4.3 cm

Average feels-like high

24.8 °C

Average feels-like low

16.7 °C

Average peak gust

29.6 km/h

Tropical nights (≥ 20 °C)

149 d/yr

Solar radiation

14.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.24 · 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

42.0 °C

16 July 2003

Coldest day

-10.7 °C

14 January 1951

Wettest day

193 mm

9 July 1968

Windiest day

43.0 km/h

16 March 1996

Strongest gust

80.3 km/h

5 April 1964

Hottest feels-like

47.5 °C

2 August 2003

Coldest feels-like

-15.5 °C

14 January 1951

Snowiest day

15.3 cm

6 January 2003

Sunniest day

13.2 h

11 June 1952

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.4 °C17 September 2025	-0.5 °C9 February 2025	21.4 °C	1,103 mm	156	2
2024	39.6 °C22 July 2024	-4.7 °C24 January 2024	20.8 °C	1,813 mm	127	5
2023	38.6 °C12 July 2023	-2.2 °C23 December 2023	20.8 °C	1,278 mm	124	6
2022	41.0 °C26 July 2022	-0.8 °C18 December 2022	20.4 °C	1,470 mm	126	1
2021	39.6 °C14 July 2021	-3.9 °C9 January 2021	20.9 °C	1,258 mm	139	7
2020	38.5 °C22 July 2020	-1.0 °C31 December 2020	20.4 °C	1,311 mm	120	1
2019	38.4 °C13 September 2019	1.1 °C23 January 2019	20.1 °C	1,489 mm	127	0
2018	37.5 °C30 July 2018	-3.4 °C6 February 2018	20.1 °C	1,270 mm	123	10
2017	39.3 °C25 July 2017	-1.3 °C18 December 2017	20.2 °C	1,284 mm	119	1
2016	38.7 °C30 July 2016	-5.6 °C25 January 2016	20.2 °C	1,808 mm	112	5
2015	37.1 °C13 July 2015	0.5 °C18 December 2015	20.0 °C	1,726 mm	113	0
2014	37.0 °C22 July 2014	-2.2 °C22 January 2014	20.1 °C	1,368 mm	118	7
2013	41.7 °C10 August 2013	-2.8 °C28 December 2013	20.4 °C	1,189 mm	127	6
2012	37.8 °C10 July 2012	-2.2 °C31 December 2012	19.1 °C	1,769 mm	101	5
2011	39.9 °C25 July 2011	-2.0 °C12 January 2011	19.5 °C	1,035 mm	116	5
2010	40.9 °C4 August 2010	-4.9 °C17 December 2010	19.9 °C	1,602 mm	102	6
2009	38.3 °C10 July 2009	-3.7 °C14 January 2009	19.9 °C	1,169 mm	125	6
2008	40.5 °C21 August 2008	-1.2 °C3 January 2008	19.7 °C	1,360 mm	118	8
2007	39.7 °C24 July 2007	-0.1 °C10 January 2007	20.3 °C	1,129 mm	115	1
2006	38.8 °C1 September 2006	-2.3 °C7 January 2006	19.9 °C	1,306 mm	112	2
2005	39.0 °C15 July 2005	-3.7 °C1 January 2005	19.5 °C	1,523 mm	123	7
2004	39.5 °C10 August 2004	-2.2 °C31 December 2004	19.9 °C	1,256 mm	121	5
2003	42.0 °C16 July 2003	-2.1 °C8 January 2003	20.1 °C	998 mm	121	6
2002	37.5 °C15 July 2002	-0.8 °C27 December 2002	19.8 °C	1,980 mm	104	1
2001	38.7 °C30 July 2001	-2.4 °C26 December 2001	19.6 °C	1,598 mm	111	5
2000	40.2 °C28 July 2000	-1.8 °C27 January 2000	19.2 °C	1,725 mm	114	7
1999	36.6 °C8 August 1999	-4.5 °C23 December 1999	19.8 °C	1,725 mm	104	6
1998	41.2 °C24 August 1998	-1.3 °C20 January 1998	20.6 °C	1,666 mm	133	4
1997	36.5 °C31 July 1997	-1.0 °C10 January 1997	19.2 °C	2,110 mm	101	1
1996	37.3 °C25 July 1996	-0.1 °C19 February 1996	19.1 °C	1,583 mm	119	1
1995	40.5 °C5 September 1995	-2.2 °C6 February 1995	19.4 °C	1,432 mm	106	5
1994	38.6 °C2 July 1994	-2.0 °C23 January 1994	19.2 °C	2,002 mm	107	5
1993	37.1 °C25 August 1993	-2.6 °C25 January 1993	18.7 °C	1,751 mm	98	12
1992	39.8 °C30 July 1992	-2.8 °C15 January 1992	19.1 °C	1,881 mm	100	2
1991	40.7 °C18 July 1991	-6.8 °C29 December 1991	19.4 °C	1,359 mm	113	4
1990	39.3 °C24 July 1990	-2.9 °C1 February 1990	19.4 °C	1,767 mm	101	3
1989	39.9 °C21 July 1989	-0.4 °C4 February 1989	19.1 °C	1,595 mm	95	2
1988	39.3 °C24 July 1988	1.1 °C5 March 1988	18.9 °C	1,624 mm	109	0
1987	38.2 °C21 July 1987	-1.5 °C7 December 1987	19.5 °C	1,719 mm	108	2
1986	38.7 °C30 July 1986	-1.8 °C7 January 1986	19.2 °C	1,476 mm	123	6
1985	39.8 °C8 August 1985	-2.8 °C16 December 1985	19.0 °C	1,498 mm	115	9
1984	39.3 °C28 July 1984	-3.6 °C5 January 1984	18.4 °C	1,665 mm	111	15
1983	38.5 °C5 August 1983	-3.1 °C23 January 1983	19.4 °C	1,688 mm	125	4
1982	37.1 °C24 July 1982	-1.7 °C19 January 1982	19.1 °C	1,833 mm	101	6
1981	38.7 °C17 July 1981	-1.8 °C17 January 1981	18.9 °C	1,929 mm	103	6
1980	39.2 °C26 July 1980	-5.9 °C1 February 1980	18.8 °C	1,766 mm	100	10
1979	38.5 °C7 August 1979	-3.2 °C1 February 1979	19.6 °C	1,361 mm	104	5
1978	38.9 °C10 July 1978	-2.2 °C18 February 1978	19.4 °C	1,603 mm	110	7
1977	37.1 °C19 July 1977	-4.4 °C30 January 1977	19.2 °C	1,647 mm	108	19
1976	38.9 °C22 August 1976	-3.1 °C28 December 1976	18.6 °C	1,852 mm	92	9
1975	38.6 °C29 July 1975	-2.3 °C15 December 1975	19.0 °C	2,144 mm	107	15
1974	36.9 °C9 August 1974	-2.6 °C8 February 1974	18.9 °C	1,556 mm	101	12
1973	36.4 °C30 July 1973	-4.6 °C26 December 1973	19.1 °C	1,939 mm	101	9
1972	38.9 °C8 July 1972	-5.2 °C11 February 1972	19.1 °C	1,677 mm	101	8
1971	40.2 °C20 July 1971	-1.4 °C31 January 1971	19.0 °C	1,418 mm	107	9
1970	38.3 °C31 July 1970	-4.3 °C6 January 1970	18.6 °C	1,939 mm	107	11
1969	40.2 °C2 August 1969	-3.2 °C1 February 1969	18.9 °C	1,583 mm	113	15
1968	39.1 °C30 July 1968	-1.2 °C3 February 1968	19.5 °C	1,800 mm	107	5
1967	39.7 °C29 August 1967	-6.1 °C16 January 1967	19.0 °C	1,254 mm	115	26
1966	38.5 °C17 August 1966	-3.8 °C28 December 1966	19.4 °C	1,215 mm	106	6
1965	36.7 °C20 July 1965	-3.5 °C31 December 1965	18.6 °C	1,708 mm	75	7
1964	40.3 °C3 September 1964	-1.3 °C18 February 1964	19.7 °C	1,417 mm	123	9
1963	41.0 °C1 September 1963	-5.3 °C10 January 1963	20.2 °C	865 mm	138	16
1962	39.0 °C28 July 1962	-3.6 °C2 January 1962	19.4 °C	2,100 mm	106	13
1961	40.8 °C22 July 1961	-2.6 °C17 January 1961	19.8 °C	1,952 mm	103	10
1960	38.0 °C19 July 1960	-3.0 °C24 January 1960	19.3 °C	1,335 mm	109	8
1959	39.1 °C24 July 1959	-3.8 °C11 January 1959	19.3 °C	1,577 mm	104	8
1958	38.1 °C15 July 1958	-4.1 °C2 February 1958	19.0 °C	1,142 mm	106	13
1957	38.6 °C21 July 1957	-3.6 °C11 February 1957	18.8 °C	1,359 mm	95	10
1956	38.6 °C27 July 1956	-4.3 °C9 January 1956	19.1 °C	1,133 mm	114	10
1955	36.1 °C23 September 1955	-5.5 °C11 January 1955	19.6 °C	1,152 mm	121	11
1954	37.8 °C17 August 1954	-2.2 °C8 February 1954	20.0 °C	1,217 mm	130	7
1953	41.9 °C12 August 1953	-1.2 °C19 January 1953	20.2 °C	1,241 mm	129	3
1952	35.6 °C12 September 1952	-3.3 °C19 February 1952	19.2 °C	1,758 mm	107	11
1951	37.9 °C9 September 1951	-10.7 °C14 January 1951	18.9 °C	1,802 mm	97	16
1950	37.5 °C18 July 1950	-1.4 °C17 December 1950	19.4 °C	1,834 mm	83	4
1949	35.7 °C15 September 1949	-3.9 °C9 January 1949	19.9 °C	1,564 mm	113	6
1948	36.5 °C9 August 1948	-2.0 °C26 January 1948	20.0 °C	1,356 mm	108	4
1947	37.4 °C27 August 1947	-2.2 °C20 December 1947	19.2 °C	1,588 mm	103	7
1946	40.6 °C10 July 1946	-2.7 °C6 January 1946	21.2 °C	662 mm	161	9
1945	36.1 °C30 July 1945	-3.5 °C8 February 1945	18.2 °C	824 mm	103	22
1944	36.5 °C2 August 1944	-4.0 °C21 December 1944	19.0 °C	1,360 mm	107	17
1943	33.7 °C27 May 1943	-3.3 °C12 January 1943	19.4 °C	1,281 mm	99	5
1942	35.4 °C7 August 1942	-2.3 °C14 February 1942	19.3 °C	1,481 mm	96	10
1941	33.0 °C11 July 1941	-2.7 °C25 January 1941	18.8 °C	1,881 mm	72	4
1940	36.9 °C30 August 1940	-7.2 °C23 January 1940	19.0 °C	1,374 mm	114	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

25.9 °C

+2.4 °C

Hot days (≥ 30 °C)

156 d/yr

+45

Frost days (< 0 °C)

2 d/yr

-5

Annual rainfall

1103 mm

-419 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.0 °C	+4.6 °C	21 mm	-30 mm
Feb	11.9 °C	-1.2 °C	27 mm	-53 mm
Mar	20.1 °C	+2.3 °C	101 mm	-40 mm
Apr	26.9 °C	+3.4 °C	115 mm	-90 mm
May	29.1 °C	+1.3 °C	270 mm	+2 mm
Jun	32.2 °C	+1.5 °C	200 mm	-69 mm
Jul	35.0 °C	+0.5 °C	134 mm	+17 mm
Aug	36.6 °C	+2.6 °C	49 mm	-79 mm
Sep	35.0 °C	+4.4 °C	91 mm	+2 mm
Oct	29.0 °C	+3.8 °C	30 mm	-38 mm
Nov	20.1 °C	+0.7 °C	49 mm	-14 mm
Dec	18.1 °C	+4.5 °C	18 mm	-27 mm

The year's extremes

Hottest day

40.4 °C

17 Sep 2025

Coldest day

-0.5 °C

9 Feb 2025

Wettest day

66.0 mm

15 Jun 2025

Windiest day

33.2 km/h

2 Mar 2025

Strongest gust

68.0 km/h

2 Mar 2025

Hottest feels-like

45.3 °C

29 Aug 2025

Coldest feels-like

-4.6 °C

9 Feb 2025

Sunniest day

13.0 h

5 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 Ji’an?

Ji’an has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 1,522 mm of precipitation per year.

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

The hottest day measured in Ji’an between 1940 and 2025 was 16 July 2003, reaching 42.0 °C.

What is the coldest day in Ji’an?

The coldest day measured in Ji’an between 1940 and 2025 was 14 January 1951, at -10.7 °C.

Does it snow in Ji’an?

Yes. Ji’an gets on average 4.3 cm of snow per year and has around 7 frost days.

Has the climate of Ji’an warmed?

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

What is the wettest day in Ji’an?

The wettest day measured in Ji’an between 1940 and 2025 was 9 July 1968, with 193 mm of rain in 24 hours.

What was the windiest day in Ji’an?

The windiest day measured in Ji’an between 1940 and 2025 was 16 March 1996, with winds reaching 43.0 km/h.

What is the warmest month in Ji’an?

The warmest month in Ji’an is July (30.3 °C on average); the coldest is January (7.6 °C).

How much does it rain in Ji’an?

Ji’an receives on average 1,522 mm of precipitation per year, spread over about 149 rainy days.

Is it sunny in Ji’an?

Ji’an gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.

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

The heaviest 24-hour snowfall measured in Ji’an between 1940 and 2025 was 6 January 2003, with 15.3 cm.

Are there tropical nights in Ji’an?

Yes: Ji’an has on average 149 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

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

In Ji’an, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 2 August 2003, and the lowest was -15.5 °C on 14 January 1951.

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