Zhongshan climate — normals and trends

Q: What is the climate of Zhongshan?

Zhongshan has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.0 °C and it receives 1,642 mm of precipitation per year.

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

The hottest day measured in Zhongshan between 1940 and 2025 was 29 July 1982, reaching 37.5 °C.

Q: What is the coldest day in Zhongshan?

The coldest day measured in Zhongshan between 1940 and 2025 was 11 February 1957, at 2.2 °C.

Q: Does it snow in Zhongshan?

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

Q: Has the climate of Zhongshan warmed?

Yes: Zhongshan warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Zhongshan?

The wettest day measured in Zhongshan between 1940 and 2025 was 3 August 1970, with 268 mm of rain in 24 hours.

Q: What was the windiest day in Zhongshan?

The windiest day measured in Zhongshan between 1940 and 2025 was 16 September 2018, with winds reaching 73.4 km/h.

Q: What is the warmest month in Zhongshan?

The warmest month in Zhongshan is July (28.9 °C on average); the coldest is January (15.2 °C).

Q: How much does it rain in Zhongshan?

Zhongshan receives on average 1,642 mm of precipitation per year, spread over about 165 rainy days.

Q: Is it sunny in Zhongshan?

Zhongshan gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Zhongshan (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 23.0 °C and it receives 1,642 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 (28.9 °C on average) and the coldest is January (15.2 °C). Rainfall peaks in June.

Zhongshan averages 0 frost days, 106 hot days (≥ 30 °C) and 165 rainy days per year.

Zhongshan has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.5 °C (on 29 July 1982) and the coldest 2.2 °C (on 11 February 1957).

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

ZhongshanGuangdong

coords: 22.52°, 113.38°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

23.0°C

Average daily high

26.1°C

Average daily low

20.7°C

Annual rainfall

1,642mm

Sunshine / day

8.8h

Mean relative humidity

78%

Average peak wind

16.8km/h

Seasonal range

13.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

106 d/yr

Rainy days (≥ 1 mm)

165 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.7 °C

Average feels-like low

22.5 °C

Average peak gust

34.3 km/h

Tropical nights (≥ 20 °C)

217 d/yr

Solar radiation

15.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.61 · 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

37.5 °C

29 July 1982

Coldest day

2.2 °C

11 February 1957

Wettest day

268 mm

3 August 1970

Windiest day

73.4 km/h

16 September 2018

Strongest gust

159.8 km/h

16 September 2018

Hottest feels-like

46.7 °C

18 July 2019

Coldest feels-like

-4.6 °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
2025	35.7 °C10 June 2025	7.7 °C13 January 2025	23.8 °C	1,769 mm	136
2024	36.2 °C5 August 2024	4.5 °C24 January 2024	24.1 °C	1,783 mm	132
2023	36.6 °C30 May 2023	6.7 °C22 December 2023	24.1 °C	1,953 mm	130
2022	36.9 °C25 July 2022	7.0 °C21 February 2022	23.5 °C	1,764 mm	118
2021	36.2 °C27 July 2021	5.8 °C12 January 2021	24.2 °C	1,732 mm	150
2020	35.1 °C14 July 2020	6.6 °C31 December 2020	24.0 °C	1,558 mm	128
2019	36.7 °C18 July 2019	9.3 °C1 January 2019	24.3 °C	1,680 mm	132
2018	35.3 °C23 May 2018	5.4 °C1 February 2018	23.6 °C	1,695 mm	120
2017	37.0 °C22 August 2017	8.2 °C18 December 2017	23.8 °C	1,601 mm	126
2016	36.6 °C9 July 2016	3.3 °C24 January 2016	23.5 °C	2,267 mm	136
2015	36.6 °C8 August 2015	8.3 °C18 December 2015	24.1 °C	1,542 mm	139
2014	35.9 °C23 July 2014	5.4 °C12 February 2014	23.4 °C	1,466 mm	131
2013	35.1 °C13 July 2013	6.9 °C28 December 2013	23.2 °C	1,910 mm	108
2012	36.0 °C21 July 2012	5.8 °C31 December 2012	23.3 °C	1,706 mm	119
2011	35.8 °C30 August 2011	5.3 °C12 January 2011	23.0 °C	1,104 mm	116
2010	35.2 °C5 July 2010	4.6 °C17 December 2010	23.4 °C	1,795 mm	114
2009	35.9 °C18 July 2009	6.1 °C11 January 2009	23.5 °C	1,485 mm	120
2008	36.9 °C28 July 2008	6.1 °C3 February 2008	23.0 °C	1,851 mm	111
2007	34.9 °C14 July 2007	8.9 °C29 January 2007	23.7 °C	1,260 mm	128
2006	36.1 °C25 July 2006	6.4 °C7 January 2006	23.7 °C	1,664 mm	121
2005	37.1 °C19 July 2005	4.5 °C1 January 2005	23.3 °C	1,698 mm	123
2004	37.4 °C1 July 2004	6.4 °C21 January 2004	23.5 °C	1,216 mm	127
2003	35.1 °C11 August 2003	6.4 °C6 January 2003	23.7 °C	1,510 mm	132
2002	34.5 °C13 July 2002	5.3 °C27 December 2002	23.8 °C	1,535 mm	126
2001	34.9 °C23 August 2001	7.5 °C22 December 2001	23.6 °C	1,743 mm	120
2000	35.2 °C5 June 2000	5.9 °C27 January 2000	23.4 °C	1,569 mm	131
1999	35.7 °C20 August 1999	3.6 °C23 December 1999	23.7 °C	1,619 mm	126
1998	34.4 °C2 August 1998	7.2 °C6 February 1998	23.9 °C	1,767 mm	125
1997	35.9 °C30 August 1997	6.9 °C25 January 1997	23.3 °C	2,203 mm	107
1996	35.7 °C26 July 1996	4.4 °C21 February 1996	22.9 °C	1,601 mm	107
1995	35.0 °C23 July 1995	7.7 °C7 January 1995	22.9 °C	1,505 mm	104
1994	35.6 °C10 July 1994	6.4 °C21 January 1994	23.4 °C	1,650 mm	101
1993	34.4 °C29 July 1993	4.4 °C17 January 1993	22.9 °C	1,821 mm	110
1992	35.1 °C29 August 1992	6.6 °C15 January 1992	22.8 °C	1,915 mm	106
1991	35.3 °C19 July 1991	3.1 °C29 December 1991	23.7 °C	1,189 mm	136
1990	36.6 °C17 August 1990	5.4 °C1 February 1990	23.4 °C	1,585 mm	112
1989	35.7 °C16 July 1989	6.1 °C14 January 1989	22.9 °C	1,548 mm	107
1988	36.0 °C18 July 1988	7.7 °C13 December 1988	22.7 °C	1,621 mm	113
1987	35.6 °C13 July 1987	6.6 °C7 December 1987	23.6 °C	1,629 mm	103
1986	35.1 °C31 July 1986	4.0 °C1 March 1986	22.9 °C	1,681 mm	114
1985	34.6 °C22 June 1985	6.5 °C17 December 1985	22.5 °C	1,977 mm	102
1984	34.3 °C29 August 1984	5.0 °C7 February 1984	22.3 °C	1,573 mm	100
1983	34.7 °C11 August 1983	4.0 °C30 December 1983	22.5 °C	2,265 mm	125
1982	37.5 °C29 July 1982	5.9 °C28 December 1982	23.0 °C	1,797 mm	105
1981	34.8 °C8 August 1981	7.5 °C12 January 1981	23.1 °C	1,672 mm	98
1980	37.0 °C10 July 1980	4.6 °C9 February 1980	23.1 °C	1,292 mm	111
1979	35.3 °C28 July 1979	4.9 °C1 February 1979	22.8 °C	1,881 mm	94
1978	34.8 °C24 August 1978	6.1 °C19 January 1978	22.8 °C	2,251 mm	103
1977	34.2 °C25 July 1977	3.9 °C3 February 1977	23.0 °C	1,426 mm	126
1976	35.1 °C26 May 1976	3.6 °C28 December 1976	22.4 °C	1,785 mm	92
1975	33.7 °C28 July 1975	3.4 °C14 December 1975	22.9 °C	2,571 mm	104
1974	34.9 °C21 August 1974	4.2 °C26 February 1974	22.7 °C	2,009 mm	128
1973	33.7 °C24 June 1973	6.4 °C25 December 1973	23.4 °C	2,524 mm	96
1972	35.1 °C22 July 1972	4.2 °C9 February 1972	22.8 °C	2,321 mm	98
1971	34.9 °C21 July 1971	5.2 °C30 January 1971	22.6 °C	1,821 mm	102
1970	34.2 °C1 August 1970	5.6 °C16 January 1970	22.6 °C	2,244 mm	116
1969	35.0 °C27 July 1969	3.2 °C5 February 1969	22.5 °C	1,550 mm	107
1968	35.1 °C25 July 1968	5.7 °C8 February 1968	22.9 °C	1,871 mm	93
1967	34.1 °C18 July 1967	3.1 °C16 January 1967	22.6 °C	1,548 mm	106
1966	32.9 °C16 August 1966	5.5 °C23 February 1966	23.0 °C	1,392 mm	78
1965	33.1 °C26 July 1965	5.8 °C18 December 1965	22.3 °C	1,830 mm	43
1964	35.6 °C7 August 1964	6.3 °C26 February 1964	22.9 °C	1,805 mm	118
1963	34.9 °C5 September 1963	3.6 °C15 January 1963	23.0 °C	1,144 mm	125
1962	34.9 °C2 August 1962	5.2 °C2 January 1962	22.7 °C	1,278 mm	117
1961	35.5 °C1 July 1961	6.1 °C17 January 1961	23.1 °C	2,164 mm	100
1960	36.1 °C21 August 1960	4.8 °C25 January 1960	23.1 °C	1,657 mm	98
1959	35.2 °C29 August 1959	6.6 °C11 January 1959	23.0 °C	1,827 mm	91
1958	35.6 °C16 July 1958	4.6 °C17 January 1958	22.6 °C	1,417 mm	105
1957	34.5 °C15 July 1957	2.2 °C11 February 1957	22.6 °C	1,802 mm	89
1956	35.4 °C1 August 1956	3.9 °C9 January 1956	22.8 °C	950 mm	121
1955	32.9 °C24 August 1955	2.7 °C11 January 1955	22.6 °C	1,053 mm	79
1954	33.3 °C29 July 1954	6.4 °C12 December 1954	22.9 °C	1,008 mm	97
1953	33.1 °C12 August 1953	6.7 °C12 December 1953	22.8 °C	1,350 mm	83
1952	32.6 °C1 September 1952	4.9 °C19 February 1952	23.1 °C	1,355 mm	84
1951	32.4 °C31 July 1951	4.1 °C14 January 1951	22.5 °C	1,566 mm	55
1950	32.0 °C17 July 1950	6.3 °C10 December 1950	22.6 °C	1,798 mm	57
1949	34.3 °C4 June 1949	5.0 °C9 January 1949	23.0 °C	1,119 mm	99
1948	32.7 °C6 July 1948	5.3 °C27 January 1948	22.8 °C	1,291 mm	78
1947	32.7 °C29 August 1947	5.3 °C20 December 1947	22.1 °C	1,438 mm	42
1946	35.7 °C17 July 1946	6.3 °C7 January 1946	23.2 °C	879 mm	109
1945	32.1 °C2 September 1945	5.5 °C4 February 1945	21.6 °C	1,630 mm	54
1944	32.4 °C10 August 1944	3.9 °C20 December 1944	22.3 °C	1,688 mm	40
1943	33.8 °C26 May 1943	5.1 °C12 January 1943	22.5 °C	627 mm	99
1942	32.0 °C4 August 1942	6.8 °C13 February 1942	22.3 °C	1,619 mm	72
1941	32.1 °C8 August 1941	6.4 °C29 December 1941	22.3 °C	1,651 mm	49
1940	33.6 °C31 August 1940	3.9 °C25 January 1940	22.0 °C	1,330 mm	52

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

27.1 °C

+1.0 °C

Hot days (≥ 30 °C)

136 d/yr

+30

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1769 mm

+127 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	20.5 °C	+1.8 °C	14 mm	-13 mm
Feb	20.3 °C	+0.7 °C	12 mm	-34 mm
Mar	23.3 °C	+0.6 °C	54 mm	-20 mm
Apr	27.3 °C	+1.2 °C	52 mm	-81 mm
May	29.7 °C	+0.5 °C	249 mm	-1 mm
Jun	31.2 °C	+0.6 °C	299 mm	+23 mm
Jul	32.8 °C	+1.2 °C	291 mm	+79 mm
Aug	31.6 °C	+0.3 °C	294 mm	+26 mm
Sep	31.9 °C	+1.4 °C	373 mm	+167 mm
Oct	29.4 °C	+1.4 °C	99 mm	+17 mm
Nov	24.0 °C	-0.2 °C	14 mm	-26 mm
Dec	22.7 °C	+2.5 °C	19 mm	-11 mm

The year's extremes

Hottest day

35.7 °C

10 Jun 2025

Coldest day

7.7 °C

13 Jan 2025

Wettest day

118.6 mm

24 Sep 2025

Windiest day

64.2 km/h

24 Sep 2025

Strongest gust

140.0 km/h

24 Sep 2025

Hottest feels-like

44.4 °C

26 Jul 2025

Coldest feels-like

4.1 °C

12 Jan 2025

Sunniest day

13.0 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 Zhongshan?

Zhongshan has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.0 °C and it receives 1,642 mm of precipitation per year.

What is the hottest day ever recorded in Zhongshan?

The hottest day measured in Zhongshan between 1940 and 2025 was 29 July 1982, reaching 37.5 °C.

What is the coldest day in Zhongshan?

The coldest day measured in Zhongshan between 1940 and 2025 was 11 February 1957, at 2.2 °C.

Does it snow in Zhongshan?

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

Has the climate of Zhongshan warmed?

Yes: Zhongshan warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Zhongshan?

The wettest day measured in Zhongshan between 1940 and 2025 was 3 August 1970, with 268 mm of rain in 24 hours.

What was the windiest day in Zhongshan?

The windiest day measured in Zhongshan between 1940 and 2025 was 16 September 2018, with winds reaching 73.4 km/h.

What is the warmest month in Zhongshan?

The warmest month in Zhongshan is July (28.9 °C on average); the coldest is January (15.2 °C).

How much does it rain in Zhongshan?

Zhongshan receives on average 1,642 mm of precipitation per year, spread over about 165 rainy days.

Is it sunny in Zhongshan?

Zhongshan gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

What is the biggest single-day snowfall in Zhongshan?

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

Are there tropical nights in Zhongshan?

Yes: Zhongshan has on average 217 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Zhongshan?

In Zhongshan, between 1940 and 2025, the highest apparent temperature reached 46.7 °C on 18 July 2019, and the lowest was -4.6 °C on 11 February 1957.

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