Datong climate — normals and trends

Q: What is the climate of Datong?

Datong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 1,111 mm of precipitation per year.

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

The hottest day measured in Datong between 1940 and 2025 was 11 August 1946, reaching 40.6 °C.

Q: What is the coldest day in Datong?

The coldest day measured in Datong between 1940 and 2025 was 11 January 1955, at -23.4 °C.

Q: Does it snow in Datong?

Yes. Datong gets on average 17.1 cm of snow per year and has around 48 frost days.

Q: Has the climate of Datong warmed?

Yes: Datong warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Datong?

The wettest day measured in Datong between 1940 and 2025 was 1 July 2016, with 214 mm of rain in 24 hours.

Q: What was the windiest day in Datong?

The windiest day measured in Datong between 1940 and 2025 was 17 August 2018, with winds reaching 43.3 km/h.

Q: What is the warmest month in Datong?

The warmest month in Datong is July (28.1 °C on average); the coldest is January (2.1 °C).

Q: How much does it rain in Datong?

Datong receives on average 1,111 mm of precipitation per year, spread over about 108 rainy days.

Q: Is it sunny in Datong?

Datong gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.

Datong (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 1,111 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 (28.1 °C on average) and the coldest is January (2.1 °C). Rainfall peaks in July.

Datong averages 48 frost days, 69 hot days (≥ 30 °C) and 108 rainy days per year.

Datong has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The number of frost days there went from about 58 to 38 per year over the period.

The hottest day of the period reached 40.6 °C (on 11 August 1946) and the coldest -23.4 °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

DatongAnhui

coords: 32.62°, 117.06°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

15.8°C

Average daily high

20.0°C

Average daily low

12.1°C

Annual rainfall

1,111mm

Sunshine / day

8.0h

Mean relative humidity

74%

Average peak wind

14.5km/h

Seasonal range

26.0°C

Frost days (< 0 °C)

48 d/yr

Hot days (≥ 30 °C)

69 d/yr

Rainy days (≥ 1 mm)

108 d/yr

Annual snowfall

17.1 cm

Average feels-like high

20.2 °C

Average feels-like low

11.4 °C

Average peak gust

29.4 km/h

Tropical nights (≥ 20 °C)

101 d/yr

Solar radiation

14.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.23 · 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

40.6 °C

11 August 1946

Coldest day

-23.4 °C

11 January 1955

Wettest day

214 mm

1 July 2016

Windiest day

43.3 km/h

17 August 2018

Strongest gust

89.6 km/h

17 August 2018

Hottest feels-like

47.1 °C

27 July 2017

Coldest feels-like

-28.3 °C

11 January 1955

Snowiest day

20.0 cm

4 January 2018

Sunniest day

13.9 h

6 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.0 °C6 July 2025	-7.8 °C8 February 2025	17.6 °C	1,077 mm	90	32
2024	38.0 °C23 July 2024	-7.4 °C23 January 2024	17.2 °C	1,077 mm	89	52
2023	36.1 °C12 August 2023	-9.3 °C22 December 2023	17.0 °C	946 mm	92	38
2022	39.2 °C14 August 2022	-6.0 °C25 December 2022	17.1 °C	782 mm	98	44
2021	36.3 °C14 July 2021	-8.5 °C8 January 2021	17.1 °C	1,080 mm	83	29
2020	36.8 °C3 August 2020	-7.9 °C31 December 2020	16.8 °C	1,192 mm	80	27
2019	38.4 °C29 July 2019	-4.8 °C16 January 2019	16.7 °C	600 mm	85	30
2018	36.3 °C20 July 2018	-14.0 °C12 January 2018	16.5 °C	1,128 mm	79	45
2017	39.2 °C24 July 2017	-4.8 °C21 January 2017	16.8 °C	1,092 mm	84	30
2016	37.2 °C29 July 2016	-10.0 °C24 January 2016	16.5 °C	1,242 mm	72	40
2015	35.9 °C3 August 2015	-4.7 °C2 January 2015	16.1 °C	969 mm	48	35
2014	36.6 °C22 July 2014	-6.2 °C11 February 2014	16.2 °C	1,027 mm	55	45
2013	38.8 °C11 August 2013	-6.5 °C27 December 2013	16.5 °C	968 mm	87	50
2012	39.8 °C30 July 2012	-6.7 °C23 January 2012	16.0 °C	795 mm	77	40
2011	36.1 °C24 July 2011	-8.2 °C16 January 2011	15.7 °C	889 mm	63	64
2010	37.5 °C4 August 2010	-6.0 °C13 January 2010	16.0 °C	1,029 mm	74	46
2009	36.4 °C25 June 2009	-7.7 °C24 January 2009	16.2 °C	946 mm	70	37
2008	35.0 °C4 July 2008	-8.8 °C22 December 2008	16.0 °C	944 mm	66	55
2007	37.1 °C29 July 2007	-3.6 °C1 February 2007	16.8 °C	1,131 mm	72	29
2006	38.4 °C20 June 2006	-4.6 °C7 January 2006	16.8 °C	913 mm	82	35
2005	36.8 °C4 June 2005	-7.1 °C1 January 2005	16.1 °C	1,085 mm	75	63
2004	37.2 °C29 July 2004	-6.7 °C31 December 2004	16.8 °C	833 mm	68	30
2003	38.5 °C1 August 2003	-8.1 °C5 January 2003	15.8 °C	1,426 mm	69	45
2002	37.5 °C15 July 2002	-7.0 °C26 December 2002	16.6 °C	1,151 mm	75	28
2001	38.6 °C26 July 2001	-6.4 °C25 December 2001	16.6 °C	720 mm	79	27
2000	36.6 °C21 May 2000	-8.1 °C27 January 2000	16.4 °C	938 mm	86	25
1999	35.9 °C10 September 1999	-7.6 °C22 December 1999	16.1 °C	882 mm	61	30
1998	37.1 °C13 July 1998	-8.1 °C19 January 1998	16.8 °C	1,168 mm	68	30
1997	37.0 °C5 June 1997	-6.9 °C8 January 1997	16.4 °C	881 mm	87	34
1996	36.3 °C23 July 1996	-6.8 °C18 February 1996	15.5 °C	1,389 mm	52	45
1995	37.5 °C6 September 1995	-5.2 °C5 February 1995	16.2 °C	740 mm	69	45
1994	37.5 °C3 August 1994	-4.7 °C19 January 1994	16.6 °C	907 mm	83	29
1993	35.4 °C12 July 1993	-10.6 °C16 January 1993	15.2 °C	1,282 mm	50	47
1992	37.5 °C29 July 1992	-4.8 °C15 January 1992	15.5 °C	909 mm	62	48
1991	37.2 °C24 July 1991	-10.9 °C28 December 1991	15.2 °C	1,753 mm	53	33
1990	36.4 °C24 July 1990	-9.9 °C1 February 1990	16.1 °C	948 mm	79	45
1989	36.7 °C19 July 1989	-4.1 °C28 January 1989	15.3 °C	1,416 mm	42	30
1988	38.4 °C19 July 1988	-5.9 °C16 December 1988	15.4 °C	818 mm	62	62
1987	35.0 °C4 June 1987	-6.6 °C4 February 1987	15.5 °C	1,398 mm	61	45
1986	35.9 °C11 August 1986	-7.9 °C5 January 1986	15.3 °C	1,204 mm	66	52
1985	36.3 °C7 August 1985	-7.4 °C20 February 1985	15.1 °C	1,188 mm	71	54
1984	35.3 °C5 August 1984	-11.8 °C22 January 1984	14.8 °C	1,202 mm	65	66
1983	36.6 °C6 August 1983	-6.2 °C8 January 1983	15.5 °C	1,285 mm	52	51
1982	37.5 °C25 May 1982	-6.6 °C16 January 1982	15.5 °C	1,219 mm	59	46
1981	38.3 °C20 June 1981	-6.9 °C2 January 1981	15.3 °C	1,197 mm	69	61
1980	36.9 °C27 July 1980	-11.5 °C31 January 1980	14.8 °C	1,317 mm	45	61
1979	37.2 °C6 August 1979	-12.9 °C19 January 1979	15.6 °C	1,211 mm	65	53
1978	39.7 °C9 July 1978	-8.8 °C17 January 1978	16.2 °C	767 mm	96	50
1977	36.2 °C6 August 1977	-9.5 °C30 January 1977	15.5 °C	1,209 mm	53	53
1976	37.1 °C5 August 1976	-8.2 °C28 December 1976	15.1 °C	833 mm	45	56
1975	35.1 °C19 July 1975	-5.1 °C15 December 1975	15.6 °C	1,459 mm	68	47
1974	36.2 °C23 July 1974	-10.4 °C9 February 1974	15.0 °C	1,184 mm	66	66
1973	35.5 °C5 August 1973	-9.4 °C25 December 1973	15.5 °C	884 mm	53	44
1972	36.1 °C20 July 1972	-8.2 °C5 February 1972	14.8 °C	1,253 mm	63	63
1971	37.5 °C1 August 1971	-7.5 °C5 February 1971	15.3 °C	1,026 mm	67	61
1970	35.8 °C8 August 1970	-10.3 °C5 January 1970	15.1 °C	1,214 mm	53	50
1969	36.7 °C30 July 1969	-16.2 °C5 February 1969	14.7 °C	1,201 mm	68	80
1968	35.4 °C5 June 1968	-8.1 °C31 January 1968	15.5 °C	1,028 mm	73	59
1967	37.8 °C28 August 1967	-16.1 °C4 January 1967	15.1 °C	1,136 mm	90	79
1966	39.1 °C9 August 1966	-15.0 °C27 December 1966	16.4 °C	701 mm	86	49
1965	35.8 °C29 June 1965	-7.4 °C17 December 1965	15.5 °C	905 mm	64	53
1964	38.4 °C15 July 1964	-11.3 °C18 February 1964	15.6 °C	1,202 mm	77	54
1963	35.2 °C14 July 1963	-8.0 °C4 February 1963	15.4 °C	1,388 mm	56	61
1962	36.5 °C17 July 1962	-7.2 °C31 January 1962	15.6 °C	1,369 mm	62	53
1961	38.5 °C23 July 1961	-6.5 °C12 January 1961	16.4 °C	1,099 mm	84	40
1960	35.2 °C5 June 1960	-6.9 °C24 January 1960	15.6 °C	1,068 mm	67	45
1959	39.7 °C23 August 1959	-8.3 °C17 January 1959	15.9 °C	848 mm	85	47
1958	37.5 °C28 July 1958	-10.7 °C16 January 1958	15.4 °C	1,013 mm	75	44
1957	35.6 °C22 July 1957	-14.2 °C10 February 1957	14.7 °C	1,157 mm	51	58
1956	35.6 °C23 July 1956	-15.0 °C24 January 1956	14.6 °C	1,482 mm	57	74
1955	34.9 °C11 September 1955	-23.4 °C11 January 1955	15.3 °C	1,180 mm	64	46
1954	35.8 °C13 August 1954	-13.6 °C5 February 1954	15.0 °C	2,204 mm	51	55
1953	38.2 °C30 July 1953	-9.3 °C18 January 1953	16.0 °C	1,626 mm	65	47
1952	34.5 °C2 July 1952	-9.1 °C19 February 1952	15.1 °C	1,361 mm	50	50
1951	36.6 °C8 August 1951	-17.0 °C13 January 1951	15.1 °C	1,775 mm	53	49
1950	34.9 °C17 July 1950	-10.5 °C5 February 1950	15.6 °C	1,300 mm	59	58
1949	34.4 °C16 September 1949	-6.9 °C9 January 1949	15.9 °C	1,534 mm	58	42
1948	33.6 °C27 July 1948	-14.5 °C26 January 1948	16.0 °C	1,394 mm	53	37
1947	34.2 °C19 August 1947	-10.1 °C27 January 1947	15.7 °C	1,218 mm	64	45
1946	40.6 °C11 August 1946	-7.0 °C10 January 1946	17.5 °C	786 mm	113	49
1945	37.5 °C8 June 1945	-16.0 °C17 January 1945	15.3 °C	1,143 mm	81	78
1944	36.7 °C19 June 1944	-7.9 °C17 December 1944	16.2 °C	825 mm	82	59
1943	32.7 °C14 June 1943	-7.4 °C11 January 1943	15.7 °C	1,452 mm	29	55
1942	37.6 °C7 August 1942	-7.2 °C17 January 1942	16.5 °C	730 mm	76	52
1941	37.0 °C10 July 1941	-8.2 °C24 January 1941	16.9 °C	628 mm	86	43
1940	34.5 °C15 August 1940	-8.2 °C3 February 1940	16.2 °C	703 mm	83	50

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

22.1 °C

+2.1 °C

Hot days (≥ 30 °C)

90 d/yr

+21

Frost days (< 0 °C)

32 d/yr

-16

Annual rainfall

1077 mm

-34 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.9 °C	+3.7 °C	36 mm	+2 mm
Feb	9.8 °C	+1.2 °C	9 mm	-36 mm
Mar	16.8 °C	+2.8 °C	45 mm	-27 mm
Apr	25.4 °C	+4.9 °C	53 mm	-29 mm
May	27.6 °C	+1.9 °C	119 mm	+10 mm
Jun	29.4 °C	-0.1 °C	268 mm	+106 mm
Jul	34.3 °C	+2.6 °C	51 mm	-186 mm
Aug	33.1 °C	+1.8 °C	217 mm	+78 mm
Sep	27.1 °C	+0.2 °C	178 mm	+75 mm
Oct	21.2 °C	-0.5 °C	67 mm	+11 mm
Nov	17.9 °C	+2.5 °C	20 mm	-25 mm
Dec	11.8 °C	+2.9 °C	14 mm	-13 mm

The year's extremes

Hottest day

38.0 °C

6 Jul 2025

Coldest day

-7.8 °C

8 Feb 2025

Wettest day

96.9 mm

20 Jun 2025

Windiest day

34.4 km/h

12 Apr 2025

Strongest gust

66.2 km/h

12 Apr 2025

Hottest feels-like

46.1 °C

5 Jul 2025

Coldest feels-like

-12.2 °C

8 Feb 2025

Snowiest day

0.8 cm

26 Jan 2025

Sunniest day

13.9 h

16 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 Datong?

Datong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 1,111 mm of precipitation per year.

What is the hottest day ever recorded in Datong?

The hottest day measured in Datong between 1940 and 2025 was 11 August 1946, reaching 40.6 °C.

What is the coldest day in Datong?

The coldest day measured in Datong between 1940 and 2025 was 11 January 1955, at -23.4 °C.

Does it snow in Datong?

Yes. Datong gets on average 17.1 cm of snow per year and has around 48 frost days.

Has the climate of Datong warmed?

Yes: Datong warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Datong?

The wettest day measured in Datong between 1940 and 2025 was 1 July 2016, with 214 mm of rain in 24 hours.

What was the windiest day in Datong?

The windiest day measured in Datong between 1940 and 2025 was 17 August 2018, with winds reaching 43.3 km/h.

What is the warmest month in Datong?

The warmest month in Datong is July (28.1 °C on average); the coldest is January (2.1 °C).

How much does it rain in Datong?

Datong receives on average 1,111 mm of precipitation per year, spread over about 108 rainy days.

Is it sunny in Datong?

Datong gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.

What is the biggest single-day snowfall in Datong?

The heaviest 24-hour snowfall measured in Datong between 1940 and 2025 was 4 January 2018, with 20.0 cm.

Are there tropical nights in Datong?

Yes: Datong has on average 101 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Datong?

In Datong, between 1940 and 2025, the highest apparent temperature reached 47.1 °C on 27 July 2017, and the lowest was -28.3 °C on 11 January 1955.

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