Donghai climate — normals and trends

Q: What is the climate of Donghai?

Donghai has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,700 mm of precipitation per year.

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

The hottest day measured in Donghai between 1940 and 2025 was 29 May 2018, reaching 37.5 °C.

Q: What is the coldest day in Donghai?

The coldest day measured in Donghai between 1940 and 2025 was 11 January 1955, at 0.6 °C.

Q: Does it snow in Donghai?

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

Q: Has the climate of Donghai warmed?

Yes: Donghai warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Donghai?

The wettest day measured in Donghai between 1940 and 2025 was 14 September 1970, with 233 mm of rain in 24 hours.

Q: What was the windiest day in Donghai?

The windiest day measured in Donghai between 1940 and 2025 was 1 September 1962, with winds reaching 63.0 km/h.

Q: What is the warmest month in Donghai?

The warmest month in Donghai is July (27.8 °C on average); the coldest is January (14.3 °C).

Q: How much does it rain in Donghai?

Donghai receives on average 1,700 mm of precipitation per year, spread over about 162 rainy days.

Q: Is it sunny in Donghai?

Donghai gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

Donghai (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 21.9 °C and it receives 1,700 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 (27.8 °C on average) and the coldest is January (14.3 °C). Rainfall peaks in June.

Donghai averages 0 frost days, 85 hot days (≥ 30 °C) and 162 rainy days per year.

Donghai has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.5 °C (on 29 May 2018) and the coldest 0.6 °C (on 11 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

DonghaiGuangdong

coords: 22.95°, 115.64°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

21.9°C

Average daily high

25.6°C

Average daily low

19.3°C

Annual rainfall

1,700mm

Sunshine / day

8.7h

Mean relative humidity

79%

Average peak wind

14.9km/h

Seasonal range

13.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

85 d/yr

Rainy days (≥ 1 mm)

162 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.1 °C

Average feels-like low

20.8 °C

Average peak gust

34.4 km/h

Tropical nights (≥ 20 °C)

190 d/yr

Solar radiation

15.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.73 · 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 May 2018

Coldest day

0.6 °C

11 January 1955

Wettest day

233 mm

14 September 1970

Windiest day

63.0 km/h

1 September 1962

Strongest gust

156.6 km/h

19 July 1988

Hottest feels-like

45.5 °C

4 August 2024

Coldest feels-like

-5.5 °C

16 January 1967

Snowiest day

0.6 cm

24 January 2016

Sunniest day

13.0 h

12 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.9 °C7 July 2025	7.5 °C12 January 2025	23.0 °C	1,854 mm	139
2024	35.6 °C5 August 2024	3.9 °C24 January 2024	23.4 °C	2,271 mm	124
2023	36.1 °C30 May 2023	6.0 °C29 January 2023	23.2 °C	1,695 mm	122
2022	36.1 °C24 July 2022	6.5 °C19 December 2022	22.7 °C	1,824 mm	119
2021	36.1 °C23 July 2021	4.0 °C13 January 2021	23.4 °C	1,572 mm	144
2020	35.1 °C14 July 2020	4.8 °C31 December 2020	23.2 °C	1,244 mm	123
2019	37.0 °C24 August 2019	8.5 °C8 December 2019	23.4 °C	1,587 mm	121
2018	37.5 °C29 May 2018	4.9 °C6 February 2018	22.9 °C	1,540 mm	118
2017	36.2 °C30 July 2017	8.2 °C12 February 2017	23.0 °C	1,589 mm	120
2016	36.3 °C8 July 2016	1.3 °C25 January 2016	22.7 °C	2,342 mm	120
2015	36.4 °C7 August 2015	6.6 °C18 December 2015	23.1 °C	1,498 mm	116
2014	35.5 °C1 August 2014	4.8 °C20 February 2014	22.4 °C	1,633 mm	118
2013	35.0 °C12 August 2013	5.2 °C29 December 2013	22.4 °C	2,043 mm	91
2012	36.5 °C1 August 2012	4.6 °C31 December 2012	22.4 °C	1,710 mm	103
2011	33.8 °C24 July 2011	4.4 °C12 January 2011	21.9 °C	1,650 mm	98
2010	34.9 °C4 August 2010	2.8 °C17 December 2010	22.2 °C	2,023 mm	96
2009	35.0 °C10 July 2009	4.1 °C11 January 2009	22.5 °C	1,215 mm	118
2008	35.4 °C27 July 2008	6.2 °C3 February 2008	22.2 °C	1,710 mm	93
2007	34.4 °C18 August 2007	6.0 °C29 January 2007	22.8 °C	1,536 mm	113
2006	36.3 °C13 July 2006	5.2 °C7 January 2006	22.6 °C	2,032 mm	101
2005	36.8 °C18 July 2005	3.0 °C1 January 2005	22.3 °C	1,794 mm	98
2004	36.8 °C29 June 2004	4.7 °C25 January 2004	22.4 °C	1,113 mm	111
2003	34.9 °C15 July 2003	6.6 °C8 January 2003	22.5 °C	1,634 mm	105
2002	33.4 °C29 August 2002	5.9 °C27 December 2002	22.9 °C	1,339 mm	109
2001	35.2 °C4 July 2001	5.6 °C22 December 2001	22.7 °C	1,811 mm	103
2000	34.8 °C5 June 2000	4.9 °C27 January 2000	22.5 °C	1,778 mm	112
1999	35.7 °C20 August 1999	2.1 °C23 December 1999	22.7 °C	1,939 mm	103
1998	34.5 °C4 August 1998	7.3 °C5 February 1998	23.0 °C	1,929 mm	116
1997	35.5 °C29 August 1997	6.9 °C11 January 1997	22.2 °C	2,216 mm	73
1996	34.8 °C25 July 1996	5.3 °C20 February 1996	22.0 °C	1,603 mm	97
1995	34.8 °C22 July 1995	6.2 °C6 February 1995	21.8 °C	2,099 mm	86
1994	35.6 °C10 July 1994	4.6 °C21 January 1994	22.3 °C	1,870 mm	75
1993	33.0 °C13 September 1993	3.5 °C29 January 1993	21.7 °C	1,877 mm	92
1992	34.0 °C29 August 1992	4.8 °C15 January 1992	21.7 °C	1,878 mm	83
1991	34.3 °C23 August 1991	1.6 °C29 December 1991	22.5 °C	1,585 mm	110
1990	36.6 °C17 August 1990	4.3 °C1 February 1990	22.3 °C	1,885 mm	82
1989	33.9 °C16 July 1989	5.5 °C14 January 1989	21.8 °C	1,687 mm	87
1988	34.8 °C18 July 1988	7.2 °C13 December 1988	21.8 °C	1,594 mm	98
1987	33.9 °C12 July 1987	5.0 °C7 December 1987	22.3 °C	1,635 mm	83
1986	34.5 °C1 August 1986	2.8 °C1 March 1986	21.6 °C	1,995 mm	79
1985	34.7 °C22 June 1985	4.9 °C16 December 1985	21.6 °C	2,068 mm	69
1984	32.9 °C28 August 1984	4.5 °C8 February 1984	21.3 °C	1,631 mm	71
1983	33.0 °C25 June 1983	3.8 °C30 December 1983	21.5 °C	2,513 mm	94
1982	36.0 °C28 July 1982	4.9 °C28 December 1982	21.8 °C	1,806 mm	85
1981	33.4 °C13 August 1981	5.6 °C12 January 1981	22.0 °C	1,703 mm	71
1980	34.6 °C10 July 1980	2.5 °C31 January 1980	21.9 °C	1,666 mm	93
1979	35.2 °C4 July 1979	3.4 °C1 February 1979	21.8 °C	1,719 mm	81
1978	33.6 °C24 August 1978	4.8 °C18 January 1978	21.8 °C	2,118 mm	91
1977	33.8 °C7 May 1977	4.0 °C2 February 1977	22.0 °C	1,441 mm	97
1976	35.1 °C26 May 1976	4.2 °C28 December 1976	21.5 °C	1,801 mm	69
1975	33.8 °C22 September 1975	3.2 °C14 December 1975	21.9 °C	2,392 mm	83
1974	34.2 °C21 August 1974	2.2 °C26 February 1974	21.8 °C	1,932 mm	99
1973	32.2 °C20 June 1973	4.7 °C26 December 1973	22.2 °C	2,494 mm	71
1972	34.1 °C22 July 1972	3.0 °C9 February 1972	21.8 °C	2,098 mm	77
1971	35.0 °C25 July 1971	5.0 °C30 January 1971	21.5 °C	1,610 mm	94
1970	33.2 °C11 August 1970	3.8 °C16 January 1970	21.7 °C	2,117 mm	100
1969	34.1 °C11 September 1969	2.3 °C5 February 1969	21.6 °C	1,468 mm	97
1968	33.7 °C28 July 1968	5.1 °C15 February 1968	21.7 °C	1,898 mm	80
1967	34.3 °C29 June 1967	0.8 °C16 January 1967	21.7 °C	1,296 mm	94
1966	33.0 °C15 August 1966	4.8 °C23 February 1966	21.6 °C	1,580 mm	41
1965	33.2 °C26 July 1965	4.7 °C31 December 1965	20.9 °C	1,602 mm	21
1964	34.7 °C7 August 1964	5.6 °C26 February 1964	22.0 °C	1,882 mm	83
1963	34.5 °C11 September 1963	2.3 °C28 January 1963	21.9 °C	1,020 mm	111
1962	34.9 °C2 August 1962	3.4 °C2 January 1962	21.7 °C	1,469 mm	100
1961	34.3 °C25 August 1961	4.3 °C19 January 1961	22.1 °C	2,505 mm	81
1960	34.4 °C21 August 1960	4.6 °C4 January 1960	22.1 °C	1,975 mm	79
1959	34.9 °C29 August 1959	3.7 °C11 January 1959	22.1 °C	1,619 mm	82
1958	33.7 °C15 July 1958	4.5 °C16 January 1958	21.7 °C	1,369 mm	82
1957	34.7 °C15 July 1957	1.7 °C11 February 1957	21.5 °C	1,721 mm	73
1956	35.1 °C31 July 1956	1.6 °C9 January 1956	21.4 °C	1,003 mm	89
1955	32.7 °C24 August 1955	0.6 °C11 January 1955	21.1 °C	1,227 mm	32
1954	33.0 °C15 August 1954	5.3 °C16 December 1954	21.5 °C	1,312 mm	67
1953	33.3 °C12 August 1953	5.4 °C12 December 1953	21.6 °C	1,362 mm	60
1952	32.4 °C10 June 1952	3.8 °C19 February 1952	21.8 °C	1,464 mm	51
1951	34.1 °C31 July 1951	3.7 °C14 January 1951	21.3 °C	1,642 mm	26
1950	31.6 °C16 September 1950	4.5 °C10 December 1950	21.2 °C	1,649 mm	28
1949	32.4 °C13 September 1949	3.4 °C9 January 1949	21.7 °C	1,335 mm	50
1948	32.4 °C6 July 1948	4.3 °C27 January 1948	21.4 °C	1,443 mm	40
1947	31.7 °C28 August 1947	5.5 °C20 December 1947	20.7 °C	1,961 mm	19
1946	33.9 °C5 April 1946	4.4 °C6 January 1946	21.5 °C	1,048 mm	61
1945	31.5 °C3 September 1945	4.4 °C17 January 1945	20.4 °C	1,620 mm	32
1944	31.6 °C9 August 1944	3.7 °C9 December 1944	21.0 °C	1,614 mm	18
1943	33.0 °C27 May 1943	4.1 °C12 January 1943	21.2 °C	740 mm	58
1942	32.0 °C28 July 1942	5.2 °C7 December 1942	21.0 °C	1,531 mm	36
1941	31.8 °C8 August 1941	5.7 °C29 December 1941	21.0 °C	1,746 mm	23
1940	34.1 °C30 August 1940	2.1 °C24 January 1940	20.6 °C	1,187 mm	29

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

+1.5 °C

Hot days (≥ 30 °C)

139 d/yr

+54

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1854 mm

+154 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	20.7 °C	+1.8 °C	2 mm	-20 mm
Feb	20.3 °C	+0.8 °C	30 mm	-12 mm
Mar	23.9 °C	+1.6 °C	53 mm	-8 mm
Apr	27.3 °C	+1.8 °C	82 mm	-30 mm
May	29.4 °C	+1.2 °C	162 mm	-69 mm
Jun	30.9 °C	+1.4 °C	260 mm	-50 mm
Jul	31.9 °C	+1.1 °C	441 mm	+166 mm
Aug	31.2 °C	+0.6 °C	387 mm	+80 mm
Sep	31.6 °C	+1.7 °C	331 mm	+124 mm
Oct	29.5 °C	+1.9 °C	80 mm	+10 mm
Nov	24.5 °C	+0.1 °C	13 mm	-25 mm
Dec	23.0 °C	+2.5 °C	13 mm	-12 mm

The year's extremes

Hottest day

34.9 °C

7 Jul 2025

Coldest day

7.5 °C

12 Jan 2025

Wettest day

73.3 mm

14 Aug 2025

Windiest day

44.5 km/h

20 Jul 2025

Strongest gust

91.1 km/h

24 Sep 2025

Hottest feels-like

42.6 °C

17 Jul 2025

Coldest feels-like

3.1 °C

12 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 Donghai?

Donghai has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,700 mm of precipitation per year.

What is the hottest day ever recorded in Donghai?

The hottest day measured in Donghai between 1940 and 2025 was 29 May 2018, reaching 37.5 °C.

What is the coldest day in Donghai?

The coldest day measured in Donghai between 1940 and 2025 was 11 January 1955, at 0.6 °C.

Does it snow in Donghai?

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

Has the climate of Donghai warmed?

Yes: Donghai warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Donghai?

The wettest day measured in Donghai between 1940 and 2025 was 14 September 1970, with 233 mm of rain in 24 hours.

What was the windiest day in Donghai?

The windiest day measured in Donghai between 1940 and 2025 was 1 September 1962, with winds reaching 63.0 km/h.

What is the warmest month in Donghai?

The warmest month in Donghai is July (27.8 °C on average); the coldest is January (14.3 °C).

How much does it rain in Donghai?

Donghai receives on average 1,700 mm of precipitation per year, spread over about 162 rainy days.

Is it sunny in Donghai?

Donghai gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

What is the biggest single-day snowfall in Donghai?

The heaviest 24-hour snowfall measured in Donghai between 1940 and 2025 was 24 January 2016, with 0.6 cm.

Are there tropical nights in Donghai?

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

What was the most extreme apparent temperature in Donghai?

In Donghai, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 4 August 2024, and the lowest was -5.5 °C on 16 January 1967.

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