Jiangmen climate — normals and trends

Q: What is the climate of Jiangmen?

Jiangmen has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 22.6 °C and it receives 1,765 mm of precipitation per year.

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

The hottest day measured in Jiangmen between 1940 and 2025 was 23 August 1990, reaching 38.4 °C.

Q: What is the coldest day in Jiangmen?

The coldest day measured in Jiangmen between 1940 and 2025 was 12 January 1955, at -0.2 °C.

Q: Does it snow in Jiangmen?

Almost never: Jiangmen sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Jiangmen warmed?

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

Q: What is the wettest day in Jiangmen?

The wettest day measured in Jiangmen between 1940 and 2025 was 9 September 1983, with 242 mm of rain in 24 hours.

Q: What was the windiest day in Jiangmen?

The windiest day measured in Jiangmen between 1940 and 2025 was 16 September 2018, with winds reaching 63.8 km/h.

Q: What is the warmest month in Jiangmen?

The warmest month in Jiangmen is July (28.7 °C on average); the coldest is January (14.6 °C).

Q: How much does it rain in Jiangmen?

Jiangmen receives on average 1,765 mm of precipitation per year, spread over about 174 rainy days.

Q: Is it sunny in Jiangmen?

Jiangmen gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

Jiangmen (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 22.6 °C and it receives 1,765 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 (28.7 °C on average) and the coldest is January (14.6 °C). Rainfall peaks in June.

Jiangmen averages 0 frost days, 122 hot days (≥ 30 °C) and 174 rainy days per year.

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

The hottest day of the period reached 38.4 °C (on 23 August 1990) and the coldest -0.2 °C (on 12 January 1955).

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

JiangmenGuangdong

coords: 22.58°, 113.08°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

22.6°C

Average daily high

26.4°C

Average daily low

19.8°C

Annual rainfall

1,765mm

Sunshine / day

8.2h

Mean relative humidity

78%

Average peak wind

14.6km/h

Seasonal range

14.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

122 d/yr

Rainy days (≥ 1 mm)

174 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.0 °C

Average feels-like low

21.8 °C

Average peak gust

33.5 km/h

Tropical nights (≥ 20 °C)

205 d/yr

Solar radiation

14.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.56 · 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

38.4 °C

23 August 1990

Coldest day

-0.2 °C

12 January 1955

Wettest day

242 mm

9 September 1983

Windiest day

63.8 km/h

16 September 2018

Strongest gust

158.8 km/h

16 September 2018

Hottest feels-like

45.9 °C

25 July 2022

Coldest feels-like

-5.3 °C

11 February 1957

Snowiest day

0.3 cm

24 January 2016

Sunniest day

13.0 h

9 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.9 °C10 June 2025	5.7 °C13 January 2025	23.4 °C	1,776 mm	153	0
2024	37.1 °C5 August 2024	3.5 °C23 January 2024	23.8 °C	1,813 mm	152	0
2023	37.2 °C15 July 2023	5.6 °C30 January 2023	23.6 °C	1,986 mm	134	0
2022	37.6 °C29 July 2022	5.4 °C21 February 2022	22.9 °C	1,958 mm	130	0
2021	36.3 °C27 July 2021	3.1 °C13 January 2021	23.8 °C	1,779 mm	164	0
2020	36.6 °C25 July 2020	5.6 °C31 December 2020	23.6 °C	1,519 mm	139	0
2019	36.7 °C18 July 2019	8.0 °C2 January 2019	23.9 °C	1,776 mm	143	0
2018	35.4 °C23 May 2018	4.2 °C30 January 2018	23.1 °C	1,900 mm	129	0
2017	37.5 °C22 August 2017	7.1 °C18 December 2017	23.3 °C	1,621 mm	131	0
2016	37.3 °C9 July 2016	1.8 °C24 January 2016	23.2 °C	2,216 mm	146	0
2015	36.3 °C8 August 2015	7.0 °C18 December 2015	23.7 °C	1,780 mm	154	0
2014	36.1 °C23 July 2014	3.9 °C12 February 2014	22.9 °C	1,540 mm	146	0
2013	35.8 °C13 July 2013	5.7 °C30 December 2013	22.8 °C	2,039 mm	127	0
2012	36.4 °C2 August 2012	4.9 °C26 January 2012	22.8 °C	1,985 mm	133	0
2011	36.2 °C28 July 2011	4.5 °C12 January 2011	22.5 °C	1,314 mm	133	0
2010	36.2 °C5 July 2010	3.2 °C18 December 2010	23.0 °C	2,037 mm	120	0
2009	36.3 °C2 August 2009	3.6 °C11 January 2009	23.2 °C	1,707 mm	137	0
2008	37.2 °C28 July 2008	4.8 °C3 February 2008	22.6 °C	2,037 mm	130	0
2007	36.0 °C14 July 2007	6.2 °C29 January 2007	23.3 °C	1,373 mm	138	0
2006	36.1 °C13 July 2006	5.9 °C7 January 2006	23.4 °C	1,748 mm	137	0
2005	38.0 °C19 July 2005	3.5 °C1 January 2005	23.0 °C	1,682 mm	143	0
2004	37.7 °C30 June 2004	4.9 °C22 January 2004	23.1 °C	1,219 mm	144	0
2003	36.3 °C23 July 2003	5.7 °C6 January 2003	23.4 °C	1,523 mm	143	0
2002	35.7 °C14 July 2002	4.6 °C27 December 2002	23.5 °C	1,804 mm	135	0
2001	35.8 °C8 August 2001	6.2 °C23 December 2001	23.3 °C	1,895 mm	138	0
2000	35.7 °C5 June 2000	5.0 °C27 January 2000	23.0 °C	1,749 mm	139	0
1999	36.1 °C24 July 1999	2.5 °C23 December 1999	23.4 °C	1,764 mm	146	0
1998	36.3 °C2 August 1998	5.9 °C6 February 1998	23.7 °C	1,992 mm	140	0
1997	36.5 °C30 August 1997	5.6 °C12 January 1997	22.9 °C	2,368 mm	136	0
1996	35.9 °C26 July 1996	3.2 °C21 February 1996	22.6 °C	1,591 mm	129	0
1995	35.9 °C23 July 1995	5.1 °C7 January 1995	22.5 °C	1,633 mm	124	0
1994	36.1 °C11 July 1994	5.7 °C21 January 1994	23.1 °C	1,666 mm	122	0
1993	35.6 °C29 July 1993	3.3 °C17 January 1993	22.6 °C	1,883 mm	114	0
1992	35.7 °C7 August 1992	5.2 °C15 January 1992	22.4 °C	2,074 mm	121	0
1991	35.9 °C19 July 1991	2.1 °C29 December 1991	23.5 °C	1,363 mm	155	0
1990	38.4 °C23 August 1990	4.7 °C1 February 1990	23.1 °C	1,642 mm	122	0
1989	36.9 °C16 July 1989	5.1 °C14 January 1989	22.7 °C	1,533 mm	127	0
1988	36.4 °C18 July 1988	6.4 °C12 December 1988	22.3 °C	1,730 mm	128	0
1987	36.2 °C13 July 1987	5.1 °C7 December 1987	23.2 °C	1,816 mm	116	0
1986	36.4 °C31 July 1986	3.4 °C1 March 1986	22.5 °C	1,814 mm	126	0
1985	34.8 °C22 June 1985	3.8 °C17 December 1985	22.1 °C	2,065 mm	122	0
1984	35.1 °C26 July 1984	4.2 °C7 February 1984	21.9 °C	1,586 mm	106	0
1983	36.3 °C11 July 1983	3.6 °C30 December 1983	22.2 °C	2,509 mm	140	0
1982	38.0 °C29 July 1982	2.9 °C28 December 1982	22.6 °C	1,940 mm	123	0
1981	35.8 °C21 June 1981	5.3 °C13 January 1981	22.8 °C	1,963 mm	110	0
1980	37.4 °C10 July 1980	3.5 °C8 February 1980	22.8 °C	1,433 mm	126	0
1979	36.0 °C28 July 1979	4.0 °C1 February 1979	22.4 °C	2,001 mm	118	0
1978	35.4 °C24 August 1978	3.8 °C22 January 1978	22.4 °C	2,224 mm	112	0
1977	34.9 °C25 July 1977	2.4 °C31 January 1977	22.7 °C	1,476 mm	142	0
1976	35.7 °C26 May 1976	2.7 °C28 December 1976	22.0 °C	2,068 mm	108	0
1975	34.3 °C6 July 1975	2.7 °C14 December 1975	22.5 °C	2,506 mm	117	0
1974	35.3 °C21 August 1974	3.1 °C2 January 1974	22.3 °C	2,042 mm	133	0
1973	34.5 °C24 June 1973	4.7 °C26 December 1973	23.0 °C	2,726 mm	108	0
1972	35.4 °C22 July 1972	3.3 °C9 February 1972	22.4 °C	2,563 mm	115	0
1971	35.1 °C21 July 1971	3.5 °C6 January 1971	22.3 °C	2,010 mm	119	0
1970	35.2 °C1 August 1970	3.9 °C16 January 1970	22.2 °C	2,044 mm	121	0
1969	35.2 °C27 July 1969	2.1 °C6 February 1969	22.0 °C	1,764 mm	117	0
1968	35.7 °C25 July 1968	5.0 °C7 February 1968	22.5 °C	1,971 mm	112	0
1967	35.0 °C18 July 1967	1.9 °C17 January 1967	22.2 °C	1,748 mm	121	0
1966	33.5 °C16 August 1966	4.7 °C23 February 1966	22.6 °C	1,460 mm	103	0
1965	33.7 °C14 July 1965	4.0 °C31 December 1965	21.9 °C	2,182 mm	63	0
1964	36.0 °C30 July 1964	5.0 °C21 February 1964	22.5 °C	1,844 mm	126	0
1963	36.4 °C31 May 1963	0.3 °C16 January 1963	22.6 °C	1,266 mm	137	0
1962	35.6 °C1 August 1962	2.9 °C28 January 1962	22.3 °C	1,424 mm	128	0
1961	35.3 °C23 August 1961	3.1 °C19 January 1961	22.7 °C	2,159 mm	115	0
1960	36.3 °C21 August 1960	3.8 °C25 January 1960	22.8 °C	1,726 mm	111	0
1959	35.5 °C29 August 1959	6.0 °C14 January 1959	22.6 °C	1,858 mm	110	0
1958	35.6 °C16 July 1958	3.0 °C17 January 1958	22.3 °C	1,449 mm	122	0
1957	35.7 °C14 August 1957	1.1 °C11 February 1957	22.1 °C	2,006 mm	110	0
1956	35.4 °C2 August 1956	2.5 °C10 January 1956	22.4 °C	1,064 mm	138	0
1955	33.3 °C25 August 1955	-0.2 °C12 January 1955	22.2 °C	1,146 mm	112	1
1954	34.5 °C29 July 1954	4.1 °C17 December 1954	22.5 °C	1,169 mm	110	0
1953	33.5 °C17 August 1953	4.6 °C12 December 1953	22.5 °C	1,488 mm	106	0
1952	32.5 °C29 May 1952	4.2 °C19 February 1952	22.8 °C	1,497 mm	100	0
1951	33.1 °C13 August 1951	3.3 °C14 January 1951	22.2 °C	1,831 mm	76	0
1950	33.0 °C17 July 1950	4.8 °C10 December 1950	22.2 °C	1,900 mm	86	0
1949	36.2 °C14 June 1949	3.0 °C10 January 1949	22.8 °C	1,248 mm	117	0
1948	33.6 °C6 July 1948	4.2 °C27 January 1948	22.5 °C	1,452 mm	99	0
1947	33.1 °C29 August 1947	4.6 °C20 December 1947	21.8 °C	1,598 mm	71	0
1946	37.0 °C17 July 1946	4.4 °C7 January 1946	22.8 °C	965 mm	134	0
1945	32.3 °C13 July 1945	3.9 °C18 January 1945	21.2 °C	1,827 mm	80	0
1944	33.5 °C8 April 1944	3.2 °C20 December 1944	22.0 °C	1,861 mm	64	0
1943	36.3 °C26 May 1943	4.0 °C12 January 1943	22.2 °C	898 mm	121	0
1942	32.6 °C4 August 1942	4.6 °C8 December 1942	21.9 °C	1,750 mm	95	0
1941	32.4 °C29 June 1941	5.3 °C29 December 1941	21.9 °C	1,890 mm	73	0
1940	33.2 °C31 August 1940	2.8 °C25 January 1940	21.7 °C	1,572 mm	78	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

27.5 °C

+1.1 °C

Hot days (≥ 30 °C)

153 d/yr

+31

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1776 mm

+11 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	21.3 °C	+2.5 °C	5 mm	-23 mm
Feb	20.7 °C	+0.9 °C	13 mm	-36 mm
Mar	23.8 °C	+0.7 °C	54 mm	-27 mm
Apr	28.3 °C	+1.6 °C	56 mm	-99 mm
May	29.9 °C	+0.2 °C	275 mm	-3 mm
Jun	31.7 °C	+0.6 °C	295 mm	-1 mm
Jul	33.1 °C	+0.9 °C	311 mm	+88 mm
Aug	31.9 °C	+0.1 °C	287 mm	+16 mm
Sep	32.0 °C	+1.3 °C	366 mm	+141 mm
Oct	29.5 °C	+1.4 °C	91 mm	+5 mm
Nov	24.1 °C	-0.3 °C	10 mm	-33 mm
Dec	23.2 °C	+2.9 °C	14 mm	-16 mm

The year's extremes

Hottest day

35.9 °C

10 Jun 2025

Coldest day

5.7 °C

13 Jan 2025

Wettest day

115.7 mm

24 Sep 2025

Windiest day

53.0 km/h

24 Sep 2025

Strongest gust

137.5 km/h

24 Sep 2025

Hottest feels-like

45.0 °C

26 Jul 2025

Coldest feels-like

2.5 °C

13 Jan 2025

Sunniest day

13.0 h

7 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 Jiangmen?

Jiangmen has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 22.6 °C and it receives 1,765 mm of precipitation per year.

What is the hottest day ever recorded in Jiangmen?

The hottest day measured in Jiangmen between 1940 and 2025 was 23 August 1990, reaching 38.4 °C.

What is the coldest day in Jiangmen?

The coldest day measured in Jiangmen between 1940 and 2025 was 12 January 1955, at -0.2 °C.

Does it snow in Jiangmen?

Almost never: Jiangmen sees virtually no snow, with about 0 frost days per year.

Has the climate of Jiangmen warmed?

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

What is the wettest day in Jiangmen?

The wettest day measured in Jiangmen between 1940 and 2025 was 9 September 1983, with 242 mm of rain in 24 hours.

What was the windiest day in Jiangmen?

The windiest day measured in Jiangmen between 1940 and 2025 was 16 September 2018, with winds reaching 63.8 km/h.

What is the warmest month in Jiangmen?

The warmest month in Jiangmen is July (28.7 °C on average); the coldest is January (14.6 °C).

How much does it rain in Jiangmen?

Jiangmen receives on average 1,765 mm of precipitation per year, spread over about 174 rainy days.

Is it sunny in Jiangmen?

Jiangmen gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

What is the biggest single-day snowfall in Jiangmen?

The heaviest 24-hour snowfall measured in Jiangmen between 1940 and 2025 was 24 January 2016, with 0.3 cm.

Are there tropical nights in Jiangmen?

Yes: Jiangmen has on average 205 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Jiangmen?

In Jiangmen, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 25 July 2022, and the lowest was -5.3 °C on 11 February 1957.

Compare Jiangmen with another city

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

Nearby cities

The climate around Jiangmen

Other cities — China

All cities in China →