Ducheng climate — normals and trends

Q: What is the climate of Ducheng?

Ducheng has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,656 mm of precipitation per year.

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

The hottest day measured in Ducheng between 1940 and 2025 was 24 July 2020, reaching 39.2 °C.

Q: What is the coldest day in Ducheng?

The coldest day measured in Ducheng between 1940 and 2025 was 20 December 1944, at -0.6 °C.

Q: Does it snow in Ducheng?

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

Q: Has the climate of Ducheng warmed?

Yes: Ducheng warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ducheng?

The wettest day measured in Ducheng between 1940 and 2025 was 4 August 1970, with 182 mm of rain in 24 hours.

Q: What was the windiest day in Ducheng?

The windiest day measured in Ducheng between 1940 and 2025 was 24 July 2003, with winds reaching 47.6 km/h.

Q: What is the warmest month in Ducheng?

The warmest month in Ducheng is July (28.5 °C on average); the coldest is January (13.3 °C).

Q: How much does it rain in Ducheng?

Ducheng receives on average 1,656 mm of precipitation per year, spread over about 174 rainy days.

Q: Is it sunny in Ducheng?

Ducheng gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.

Ducheng (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.9 °C and it receives 1,656 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 (28.5 °C on average) and the coldest is January (13.3 °C). Rainfall peaks in May.

Ducheng averages 0 frost days, 116 hot days (≥ 30 °C) and 174 rainy days per year.

Ducheng has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.2 °C (on 24 July 2020) and the coldest -0.6 °C (on 20 December 1944).

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

DuchengGuangdong

coords: 23.24°, 111.53°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthDecember

Mean daily temperature

21.9°C

Average daily high

25.7°C

Average daily low

18.8°C

Annual rainfall

1,656mm

Sunshine / day

7.8h

Mean relative humidity

79%

Average peak wind

11.0km/h

Seasonal range

15.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

116 d/yr

Rainy days (≥ 1 mm)

174 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.4 °C

Average feels-like low

20.9 °C

Average peak gust

28.3 km/h

Tropical nights (≥ 20 °C)

190 d/yr

Solar radiation

14.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °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

39.2 °C

24 July 2020

Coldest day

-0.6 °C

20 December 1944

Wettest day

182 mm

4 August 1970

Windiest day

47.6 km/h

24 July 2003

Strongest gust

125.6 km/h

16 September 2018

Hottest feels-like

44.8 °C

24 July 1958

Coldest feels-like

-4.7 °C

11 January 1955

Snowiest day

0.1 cm

24 January 2016

Sunniest day

13.0 h

10 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.8 °C27 July 2025	5.1 °C12 January 2025	22.6 °C	1,496 mm	138	0
2024	37.0 °C26 July 2024	3.4 °C23 January 2024	22.7 °C	1,877 mm	127	0
2023	36.3 °C3 June 2023	3.9 °C25 January 2023	22.7 °C	1,644 mm	132	0
2022	36.6 °C25 July 2022	5.1 °C24 February 2022	22.1 °C	1,928 mm	118	0
2021	36.7 °C29 September 2021	1.4 °C12 January 2021	23.1 °C	1,128 mm	154	0
2020	39.2 °C24 July 2020	4.6 °C31 December 2020	22.8 °C	1,298 mm	135	0
2019	35.5 °C12 August 2019	6.2 °C1 January 2019	22.7 °C	1,676 mm	132	0
2018	35.4 °C24 May 2018	2.3 °C1 February 2018	22.3 °C	1,555 mm	121	0
2017	36.5 °C29 July 2017	4.1 °C18 December 2017	22.4 °C	1,496 mm	128	0
2016	36.6 °C1 August 2016	2.8 °C24 January 2016	22.3 °C	2,067 mm	133	0
2015	35.6 °C1 July 2015	6.5 °C6 February 2015	22.7 °C	1,840 mm	125	0
2014	35.6 °C1 August 2014	3.0 °C20 February 2014	22.1 °C	1,485 mm	133	0
2013	35.2 °C20 June 2013	4.6 °C20 December 2013	22.0 °C	1,884 mm	115	0
2012	36.0 °C2 August 2012	4.8 °C25 January 2012	21.8 °C	1,809 mm	118	0
2011	35.3 °C28 July 2011	4.2 °C11 January 2011	21.5 °C	1,172 mm	129	0
2010	35.8 °C8 July 2010	2.5 °C17 December 2010	22.2 °C	1,667 mm	111	0
2009	36.1 °C3 August 2009	4.6 °C10 January 2009	22.6 °C	1,442 mm	134	0
2008	36.6 °C23 September 2008	2.0 °C3 February 2008	21.9 °C	1,514 mm	124	0
2007	36.4 °C3 August 2007	5.5 °C29 January 2007	22.7 °C	1,252 mm	150	0
2006	35.8 °C14 July 2006	5.1 °C7 January 2006	22.5 °C	1,612 mm	132	0
2005	36.4 °C19 July 2005	2.7 °C1 January 2005	22.2 °C	1,599 mm	148	0
2004	37.3 °C1 July 2004	2.4 °C21 January 2004	22.4 °C	1,233 mm	140	0
2003	38.4 °C23 July 2003	2.5 °C8 January 2003	22.7 °C	1,242 mm	134	0
2002	35.4 °C27 June 2002	3.4 °C27 December 2002	22.5 °C	1,767 mm	128	0
2001	35.5 °C8 August 2001	4.5 °C22 December 2001	22.2 °C	1,804 mm	117	0
2000	37.2 °C30 July 2000	4.1 °C27 January 2000	22.3 °C	1,484 mm	140	0
1999	35.3 °C6 June 1999	0.5 °C23 December 1999	22.5 °C	1,409 mm	126	0
1998	37.1 °C17 August 1998	4.6 °C18 January 1998	22.9 °C	1,840 mm	132	0
1997	35.9 °C30 August 1997	5.5 °C10 January 1997	22.1 °C	2,085 mm	106	0
1996	35.1 °C6 June 1996	2.6 °C20 February 1996	21.5 °C	1,443 mm	111	0
1995	35.6 °C23 July 1995	4.4 °C5 January 1995	21.6 °C	1,861 mm	120	0
1994	35.5 °C1 July 1994	4.4 °C23 January 1994	22.1 °C	1,885 mm	102	0
1993	35.6 °C26 July 1993	3.1 °C16 January 1993	21.8 °C	1,941 mm	120	0
1992	35.7 °C7 August 1992	4.6 °C15 January 1992	21.6 °C	2,118 mm	118	0
1991	36.2 °C19 July 1991	1.0 °C29 December 1991	22.4 °C	1,409 mm	131	0
1990	36.8 °C1 September 1990	3.2 °C31 January 1990	22.4 °C	1,732 mm	129	0
1989	37.9 °C17 August 1989	3.7 °C13 January 1989	22.0 °C	1,329 mm	129	0
1988	36.8 °C9 July 1988	5.1 °C19 January 1988	21.4 °C	1,699 mm	116	0
1987	36.8 °C13 July 1987	4.1 °C7 December 1987	22.4 °C	1,776 mm	122	0
1986	35.6 °C1 July 1986	3.9 °C1 March 1986	21.9 °C	1,603 mm	128	0
1985	35.3 °C23 June 1985	3.3 °C25 December 1985	21.3 °C	1,828 mm	125	0
1984	35.5 °C30 July 1984	2.1 °C7 February 1984	21.1 °C	1,427 mm	123	0
1983	37.0 °C25 July 1983	3.6 °C30 December 1983	21.5 °C	2,433 mm	138	0
1982	35.6 °C29 July 1982	2.3 °C27 December 1982	21.8 °C	1,970 mm	114	0
1981	36.9 °C8 August 1981	4.4 °C11 January 1981	21.8 °C	2,226 mm	110	0
1980	36.2 °C10 July 1980	2.4 °C8 February 1980	22.1 °C	1,800 mm	126	0
1979	37.3 °C29 July 1979	3.3 °C1 February 1979	21.7 °C	1,794 mm	116	0
1978	36.7 °C15 July 1978	1.9 °C22 January 1978	21.7 °C	2,218 mm	112	0
1977	35.6 °C11 August 1977	1.0 °C5 January 1977	21.9 °C	1,484 mm	127	0
1976	35.8 °C25 May 1976	1.8 °C29 December 1976	21.1 °C	1,874 mm	98	0
1975	35.3 °C30 July 1975	0.1 °C29 December 1975	21.8 °C	2,223 mm	118	0
1974	35.5 °C21 August 1974	2.9 °C13 February 1974	21.7 °C	1,659 mm	128	0
1973	35.5 °C23 June 1973	3.2 °C30 December 1973	22.1 °C	2,654 mm	112	0
1972	35.7 °C10 July 1972	1.4 °C11 February 1972	21.7 °C	2,397 mm	120	0
1971	35.0 °C16 June 1971	3.5 °C10 January 1971	21.4 °C	1,636 mm	104	0
1970	35.7 °C15 July 1970	3.5 °C6 January 1970	21.4 °C	1,978 mm	114	0
1969	35.8 °C27 July 1969	1.8 °C5 February 1969	21.5 °C	1,804 mm	121	0
1968	37.4 °C28 July 1968	3.7 °C15 February 1968	21.9 °C	1,923 mm	100	0
1967	37.5 °C18 July 1967	-0.4 °C16 January 1967	21.4 °C	1,618 mm	126	1
1966	33.1 °C15 August 1966	4.3 °C23 February 1966	21.7 °C	1,707 mm	92	0
1965	33.2 °C14 July 1965	3.1 °C18 December 1965	21.3 °C	2,074 mm	57	0
1964	36.4 °C30 July 1964	3.3 °C25 February 1964	21.9 °C	1,425 mm	129	0
1963	35.4 °C31 May 1963	1.4 °C14 January 1963	22.0 °C	1,348 mm	138	0
1962	35.4 °C20 July 1962	2.5 °C28 January 1962	21.6 °C	1,674 mm	125	0
1961	35.6 °C23 July 1961	0.7 °C19 January 1961	21.9 °C	1,934 mm	112	0
1960	35.3 °C21 August 1960	2.5 °C25 January 1960	22.0 °C	1,632 mm	113	0
1959	34.5 °C9 June 1959	4.6 °C11 January 1959	21.7 °C	1,866 mm	97	0
1958	35.5 °C24 July 1958	3.4 °C2 February 1958	21.8 °C	1,139 mm	120	0
1957	36.0 °C2 August 1957	-0.1 °C11 February 1957	21.5 °C	2,254 mm	107	1
1956	35.9 °C4 September 1956	1.8 °C9 January 1956	22.2 °C	907 mm	157	0
1955	34.0 °C2 May 1955	-0.5 °C11 January 1955	22.0 °C	1,101 mm	119	1
1954	35.9 °C29 July 1954	3.1 °C17 December 1954	22.1 °C	1,023 mm	106	0
1953	34.5 °C17 August 1953	3.8 °C11 December 1953	22.0 °C	1,387 mm	103	0
1952	33.1 °C11 July 1952	3.4 °C19 February 1952	22.1 °C	1,481 mm	99	0
1951	32.6 °C1 August 1951	2.3 °C13 January 1951	21.6 °C	1,777 mm	69	0
1950	33.6 °C29 March 1950	5.9 °C15 February 1950	21.7 °C	1,611 mm	90	0
1949	36.6 °C14 June 1949	2.2 °C9 January 1949	22.5 °C	1,022 mm	114	0
1948	33.1 °C11 March 1948	2.4 °C26 January 1948	21.9 °C	1,377 mm	96	0
1947	32.5 °C30 July 1947	3.6 °C20 December 1947	21.3 °C	1,727 mm	66	0
1946	37.4 °C28 July 1946	2.6 °C6 January 1946	22.7 °C	778 mm	150	0
1945	32.3 °C30 July 1945	1.9 °C16 January 1945	20.4 °C	1,254 mm	57	0
1944	35.8 °C8 April 1944	-0.6 °C20 December 1944	21.4 °C	1,634 mm	55	2
1943	36.0 °C28 May 1943	1.7 °C12 January 1943	21.8 °C	906 mm	107	0
1942	32.5 °C6 August 1942	4.8 °C7 December 1942	21.2 °C	1,848 mm	66	0
1941	31.9 °C13 July 1941	2.8 °C29 December 1941	21.2 °C	1,916 mm	48	0
1940	32.8 °C31 August 1940	1.5 °C24 January 1940	21.1 °C	1,546 mm	74	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

26.6 °C

+0.9 °C

Hot days (≥ 30 °C)

138 d/yr

+22

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1496 mm

-160 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	19.8 °C	+2.6 °C	9 mm	-41 mm
Feb	18.4 °C	+0.1 °C	12 mm	-65 mm
Mar	22.5 °C	+0.6 °C	71 mm	-55 mm
Apr	27.7 °C	+1.8 °C	143 mm	-78 mm
May	28.7 °C	-0.5 °C	277 mm	-5 mm
Jun	31.5 °C	+0.5 °C	252 mm	-2 mm
Jul	33.1 °C	+0.8 °C	207 mm	+38 mm
Aug	31.8 °C	0.0 °C	228 mm	+36 mm
Sep	31.7 °C	+1.2 °C	216 mm	+88 mm
Oct	28.9 °C	+1.4 °C	29 mm	-35 mm
Nov	23.0 °C	-0.4 °C	24 mm	-27 mm
Dec	21.6 °C	+2.6 °C	29 mm	-13 mm

The year's extremes

Hottest day

35.8 °C

27 Jul 2025

Coldest day

5.1 °C

12 Jan 2025

Wettest day

46.5 mm

8 Sep 2025

Windiest day

31.8 km/h

24 Sep 2025

Strongest gust

82.1 km/h

24 Sep 2025

Hottest feels-like

43.4 °C

5 Jul 2025

Coldest feels-like

2.6 °C

12 Jan 2025

Sunniest day

13.0 h

12 May 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 Ducheng?

Ducheng has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,656 mm of precipitation per year.

What is the hottest day ever recorded in Ducheng?

The hottest day measured in Ducheng between 1940 and 2025 was 24 July 2020, reaching 39.2 °C.

What is the coldest day in Ducheng?

The coldest day measured in Ducheng between 1940 and 2025 was 20 December 1944, at -0.6 °C.

Does it snow in Ducheng?

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

Has the climate of Ducheng warmed?

Yes: Ducheng warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ducheng?

The wettest day measured in Ducheng between 1940 and 2025 was 4 August 1970, with 182 mm of rain in 24 hours.

What was the windiest day in Ducheng?

The windiest day measured in Ducheng between 1940 and 2025 was 24 July 2003, with winds reaching 47.6 km/h.

What is the warmest month in Ducheng?

The warmest month in Ducheng is July (28.5 °C on average); the coldest is January (13.3 °C).

How much does it rain in Ducheng?

Ducheng receives on average 1,656 mm of precipitation per year, spread over about 174 rainy days.

Is it sunny in Ducheng?

Ducheng gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.

What is the biggest single-day snowfall in Ducheng?

The heaviest 24-hour snowfall measured in Ducheng between 1940 and 2025 was 24 January 2016, with 0.1 cm.

Are there tropical nights in Ducheng?

Yes: Ducheng has on average 190 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ducheng?

In Ducheng, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 24 July 1958, and the lowest was -4.7 °C on 11 January 1955.

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