Donghui climate — normals and trends

Q: What is the climate of Donghui?

Donghui has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 19.0 °C and it receives 1,582 mm of precipitation per year.

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

The hottest day measured in Donghui between 1940 and 2025 was 20 May 2019, reaching 36.1 °C.

Q: What is the coldest day in Donghui?

The coldest day measured in Donghui between 1940 and 2025 was 26 December 1999, at -0.4 °C.

Q: Does it snow in Donghui?

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

Q: Has the climate of Donghui warmed?

Yes: Donghui warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Donghui?

The wettest day measured in Donghui between 1940 and 2025 was 19 July 1983, with 128 mm of rain in 24 hours.

Q: What was the windiest day in Donghui?

The windiest day measured in Donghui between 1940 and 2025 was 28 March 1968, with winds reaching 28.0 km/h.

Q: What is the warmest month in Donghui?

The warmest month in Donghui is May (22.2 °C on average); the coldest is January (13.5 °C).

Q: How much does it rain in Donghui?

Donghui receives on average 1,582 mm of precipitation per year, spread over about 179 rainy days.

Q: Is it sunny in Donghui?

Donghui gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Donghui (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 19.0 °C and it receives 1,582 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 May (22.2 °C on average) and the coldest is January (13.5 °C). Rainfall peaks in July.

Donghui averages 0 frost days, 19 hot days (≥ 30 °C) and 179 rainy days per year.

Donghui has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.1 °C (on 20 May 2019) and the coldest -0.4 °C (on 26 December 1999).

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

DonghuiYunnan

coords: 22.44°, 99.80°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthMayColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

19.0°C

Average daily high

24.7°C

Average daily low

14.4°C

Annual rainfall

1,582mm

Sunshine / day

9.3h

Mean relative humidity

75%

Average peak wind

9.7km/h

Seasonal range

8.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

19 d/yr

Rainy days (≥ 1 mm)

179 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.5 °C

Average feels-like low

15.0 °C

Average peak gust

34.2 km/h

Tropical nights (≥ 20 °C)

18 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.82 · 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

36.1 °C

20 May 2019

Coldest day

-0.4 °C

26 December 1999

Wettest day

128 mm

19 July 1983

Windiest day

28.0 km/h

28 March 1968

Strongest gust

79.9 km/h

28 March 1968

Hottest feels-like

37.6 °C

19 July 2018

Coldest feels-like

-3.5 °C

26 December 1999

Sunniest day

13.0 h

30 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	32.6 °C30 March 2025	4.4 °C28 November 2025	19.5 °C	1,908 mm	17	0
2024	33.9 °C15 May 2024	5.9 °C13 January 2024	20.1 °C	1,642 mm	39	0
2023	33.8 °C8 May 2023	4.8 °C16 January 2023	20.1 °C	1,312 mm	38	0
2022	31.6 °C14 March 2022	3.5 °C14 February 2022	19.7 °C	1,391 mm	19	0
2021	33.4 °C25 April 2021	4.3 °C17 December 2021	19.8 °C	1,352 mm	25	0
2020	32.9 °C8 May 2020	3.0 °C26 January 2020	20.2 °C	1,288 mm	49	0
2019	36.1 °C20 May 2019	1.4 °C8 December 2019	20.1 °C	880 mm	52	0
2018	31.5 °C19 July 2018	4.6 °C31 January 2018	19.5 °C	1,696 mm	15	0
2017	33.8 °C5 May 2017	1.3 °C21 December 2017	19.7 °C	1,584 mm	25	0
2016	34.4 °C11 May 2016	3.6 °C12 January 2016	19.8 °C	1,369 mm	25	0
2015	32.4 °C7 May 2015	3.1 °C14 January 2015	19.5 °C	1,636 mm	23	0
2014	34.1 °C19 May 2014	4.8 °C22 January 2014	20.2 °C	1,289 mm	50	0
2013	34.1 °C22 April 2013	1.0 °C18 December 2013	19.8 °C	1,513 mm	24	0
2012	33.3 °C25 May 2012	3.2 °C16 January 2012	20.0 °C	1,497 mm	36	0
2011	31.6 °C18 April 2011	2.8 °C21 January 2011	19.4 °C	1,437 mm	9	0
2010	34.4 °C5 May 2010	3.8 °C3 January 2010	20.4 °C	1,329 mm	54	0
2009	34.7 °C12 May 2009	3.6 °C30 December 2009	20.1 °C	1,350 mm	30	0
2008	32.9 °C21 April 2008	4.5 °C2 December 2008	19.6 °C	1,662 mm	17	0
2007	32.2 °C6 May 2007	5.0 °C18 February 2007	19.4 °C	1,369 mm	28	0
2006	33.8 °C14 April 2006	4.0 °C1 January 2006	19.7 °C	1,397 mm	11	0
2005	32.9 °C20 April 2005	2.6 °C28 December 2005	20.0 °C	1,312 mm	38	0
2004	33.5 °C3 May 2004	4.7 °C30 January 2004	19.2 °C	1,471 mm	20	0
2003	33.1 °C9 April 2003	4.9 °C10 January 2003	19.6 °C	1,244 mm	19	0
2002	31.4 °C19 April 2002	3.8 °C12 January 2002	19.5 °C	1,531 mm	12	0
2001	34.2 °C26 April 2001	3.6 °C11 January 2001	19.7 °C	1,588 mm	31	0
2000	31.6 °C10 April 2000	4.5 °C9 January 2000	19.2 °C	1,725 mm	4	0
1999	35.3 °C26 April 1999	-0.4 °C26 December 1999	19.6 °C	1,643 mm	15	2
1998	34.2 °C17 May 1998	5.1 °C16 December 1998	20.0 °C	1,544 mm	23	0
1997	33.6 °C15 May 1997	2.2 °C19 January 1997	19.1 °C	1,461 mm	10	0
1996	34.2 °C20 May 1996	4.0 °C1 January 1996	19.3 °C	1,702 mm	18	0
1995	32.2 °C19 April 1995	3.1 °C30 December 1995	19.6 °C	1,648 mm	25	0
1994	33.0 °C17 May 1994	4.8 °C3 January 1994	19.4 °C	1,860 mm	22	0
1993	32.9 °C8 April 1993	1.5 °C27 December 1993	19.2 °C	1,559 mm	15	0
1992	33.4 °C14 May 1992	1.8 °C6 January 1992	18.6 °C	1,534 mm	23	0
1991	32.6 °C16 April 1991	3.9 °C21 January 1991	19.4 °C	1,708 mm	41	0
1990	35.0 °C4 May 1990	2.8 °C2 January 1990	19.0 °C	1,659 mm	25	0
1989	34.5 °C24 April 1989	3.7 °C9 January 1989	19.4 °C	1,506 mm	35	0
1988	34.9 °C8 April 1988	4.3 °C20 December 1988	19.3 °C	1,495 mm	16	0
1987	35.0 °C28 May 1987	3.9 °C25 December 1987	19.1 °C	1,689 mm	23	0
1986	33.7 °C3 June 1986	2.5 °C5 March 1986	19.1 °C	1,384 mm	36	0
1985	32.1 °C15 April 1985	2.3 °C18 January 1985	18.8 °C	1,828 mm	16	0
1984	32.6 °C22 April 1984	3.8 °C2 January 1984	19.0 °C	1,677 mm	14	0
1983	34.2 °C26 May 1983	1.9 °C1 December 1983	18.6 °C	1,874 mm	26	0
1982	33.3 °C21 May 1982	2.5 °C28 December 1982	18.7 °C	1,574 mm	11	0
1981	30.8 °C10 April 1981	4.2 °C27 December 1981	18.9 °C	1,683 mm	4	0
1980	33.8 °C19 May 1980	2.9 °C17 January 1980	19.3 °C	1,578 mm	49	0
1979	34.0 °C7 May 1979	1.8 °C23 December 1979	19.2 °C	1,387 mm	33	0
1978	31.6 °C24 April 1978	2.7 °C13 January 1978	18.7 °C	1,728 mm	10	0
1977	31.2 °C20 March 1977	2.2 °C25 December 1977	18.4 °C	1,614 mm	9	0
1976	30.8 °C1 April 1976	2.1 °C3 January 1976	18.3 °C	2,020 mm	3	0
1975	33.4 °C2 May 1975	0.1 °C23 December 1975	18.8 °C	1,645 mm	29	0
1974	30.3 °C21 April 1974	-0.3 °C2 January 1974	18.5 °C	1,700 mm	4	2
1973	32.9 °C1 May 1973	1.1 °C29 December 1973	18.9 °C	1,728 mm	21	0
1972	33.3 °C24 April 1972	3.6 °C20 January 1972	18.8 °C	1,831 mm	12	0
1971	34.1 °C26 April 1971	2.7 °C6 January 1971	18.1 °C	2,015 mm	15	0
1970	33.3 °C14 May 1970	2.3 °C14 January 1970	18.9 °C	1,643 mm	21	0
1969	32.0 °C30 April 1969	2.7 °C23 January 1969	18.8 °C	1,562 mm	21	0
1968	33.1 °C22 April 1968	2.7 °C20 January 1968	18.3 °C	1,776 mm	5	0
1967	29.9 °C30 May 1967	4.3 °C1 January 1967	18.3 °C	1,936 mm	0	0
1966	34.1 °C2 May 1966	4.6 °C26 December 1966	18.5 °C	1,708 mm	23	0
1965	33.5 °C16 May 1965	2.5 °C9 January 1965	18.2 °C	1,624 mm	10	0
1964	31.6 °C29 April 1964	1.9 °C30 December 1964	18.8 °C	1,648 mm	7	0
1963	31.8 °C25 April 1963	1.2 °C5 January 1963	18.6 °C	1,518 mm	9	0
1962	33.0 °C18 April 1962	2.0 °C29 December 1962	18.9 °C	1,497 mm	16	0
1961	33.8 °C26 April 1961	3.0 °C20 December 1961	18.8 °C	1,815 mm	10	0
1960	34.4 °C30 April 1960	4.2 °C3 January 1960	19.2 °C	1,764 mm	29	0
1959	33.5 °C12 April 1959	2.5 °C2 January 1959	18.4 °C	1,737 mm	16	0
1958	35.5 °C2 June 1958	1.2 °C2 February 1958	18.8 °C	1,779 mm	24	0
1957	33.5 °C26 May 1957	2.8 °C26 January 1957	19.1 °C	1,476 mm	35	0
1956	33.2 °C14 April 1956	2.2 °C3 January 1956	18.5 °C	1,393 mm	21	0
1955	31.6 °C19 April 1955	2.5 °C13 January 1955	18.0 °C	1,566 mm	6	0
1954	32.2 °C19 April 1954	3.3 °C18 January 1954	18.3 °C	1,447 mm	11	0
1953	29.2 °C16 April 1953	1.0 °C28 January 1953	17.7 °C	1,373 mm	0	0
1952	32.5 °C8 May 1952	3.5 °C14 January 1952	18.4 °C	1,482 mm	10	0
1951	30.6 °C12 May 1951	3.2 °C4 February 1951	18.0 °C	1,754 mm	1	0
1950	33.1 °C17 May 1950	2.9 °C5 January 1950	18.3 °C	1,588 mm	24	0
1949	28.6 °C12 April 1949	3.2 °C13 February 1949	17.9 °C	1,769 mm	0	0
1948	29.5 °C15 March 1948	3.2 °C3 January 1948	17.7 °C	1,583 mm	0	0
1947	33.0 °C14 May 1947	5.1 °C17 January 1947	18.2 °C	1,423 mm	13	0
1946	30.6 °C20 March 1946	2.4 °C12 January 1946	17.6 °C	1,446 mm	3	0
1945	31.3 °C19 April 1945	3.6 °C25 December 1945	17.8 °C	1,934 mm	7	0
1944	31.3 °C24 April 1944	5.0 °C14 January 1944	17.9 °C	1,502 mm	4	0
1943	31.8 °C14 May 1943	3.9 °C24 December 1943	17.8 °C	1,693 mm	6	0
1942	32.4 °C25 April 1942	2.7 °C5 January 1942	17.7 °C	1,557 mm	13	0
1941	31.3 °C24 March 1941	3.8 °C24 January 1941	17.9 °C	1,605 mm	6	0
1940	30.6 °C27 April 1940	2.3 °C1 January 1940	17.6 °C	1,392 mm	2	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

25.3 °C

+0.6 °C

Hot days (≥ 30 °C)

17 d/yr

-2

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1908 mm

+326 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	21.1 °C	+0.4 °C	6 mm	-17 mm
Feb	24.7 °C	+1.4 °C	21 mm	+3 mm
Mar	27.4 °C	+0.9 °C	9 mm	-14 mm
Apr	27.7 °C	-0.7 °C	49 mm	+8 mm
May	26.2 °C	-1.4 °C	238 mm	+95 mm
Jun	26.6 °C	+0.6 °C	353 mm	+81 mm
Jul	26.1 °C	+1.0 °C	484 mm	+141 mm
Aug	26.3 °C	+0.9 °C	269 mm	-42 mm
Sep	26.9 °C	+1.1 °C	239 mm	+39 mm
Oct	26.0 °C	+1.5 °C	140 mm	+18 mm
Nov	22.5 °C	+0.2 °C	98 mm	+40 mm
Dec	22.2 °C	+2.0 °C	3 mm	-24 mm

The year's extremes

Hottest day

32.6 °C

30 Mar 2025

Coldest day

4.4 °C

28 Nov 2025

Wettest day

101.9 mm

27 Jul 2025

Windiest day

18.6 km/h

14 Mar 2025

Strongest gust

59.8 km/h

17 Mar 2025

Hottest feels-like

35.5 °C

13 Jun 2025

Coldest feels-like

2.1 °C

28 Nov 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 Donghui?

Donghui has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 19.0 °C and it receives 1,582 mm of precipitation per year.

What is the hottest day ever recorded in Donghui?

The hottest day measured in Donghui between 1940 and 2025 was 20 May 2019, reaching 36.1 °C.

What is the coldest day in Donghui?

The coldest day measured in Donghui between 1940 and 2025 was 26 December 1999, at -0.4 °C.

Does it snow in Donghui?

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

Has the climate of Donghui warmed?

Yes: Donghui warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Donghui?

The wettest day measured in Donghui between 1940 and 2025 was 19 July 1983, with 128 mm of rain in 24 hours.

What was the windiest day in Donghui?

The windiest day measured in Donghui between 1940 and 2025 was 28 March 1968, with winds reaching 28.0 km/h.

What is the warmest month in Donghui?

The warmest month in Donghui is May (22.2 °C on average); the coldest is January (13.5 °C).

How much does it rain in Donghui?

Donghui receives on average 1,582 mm of precipitation per year, spread over about 179 rainy days.

Is it sunny in Donghui?

Donghui gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Are there tropical nights in Donghui?

Yes: Donghui has on average 18 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Donghui?

In Donghui, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 19 July 2018, and the lowest was -3.5 °C on 26 December 1999.

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