Tieshan climate — normals and trends

Q: What is the climate of Tieshan?

Tieshan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,235 mm of precipitation per year.

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

The hottest day measured in Tieshan between 1940 and 2025 was 20 August 2022, reaching 43.3 °C.

Q: What is the coldest day in Tieshan?

The coldest day measured in Tieshan between 1940 and 2025 was 9 January 1956, at -4.7 °C.

Q: Does it snow in Tieshan?

Yes. Tieshan gets on average 2.1 cm of snow per year and has around 2 frost days.

Q: Has the climate of Tieshan warmed?

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

Q: What is the wettest day in Tieshan?

The wettest day measured in Tieshan between 1940 and 2025 was 26 July 2020, with 135 mm of rain in 24 hours.

Q: What was the windiest day in Tieshan?

The windiest day measured in Tieshan between 1940 and 2025 was 23 May 1946, with winds reaching 69.2 km/h.

Q: What is the warmest month in Tieshan?

The warmest month in Tieshan is July (27.5 °C on average); the coldest is January (7.6 °C).

Q: How much does it rain in Tieshan?

Tieshan receives on average 1,235 mm of precipitation per year, spread over about 163 rainy days.

Q: Is it sunny in Tieshan?

Tieshan gets on average 6.4 hours of sunshine per day, roughly 2,336 hours per year over 1940-2025.

Tieshan (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 1,235 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 (27.5 °C on average) and the coldest is January (7.6 °C). Rainfall peaks in July.

Tieshan averages 2 frost days, 66 hot days (≥ 30 °C) and 163 rainy days per year.

Tieshan 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 4 to 0 per year over the period.

The hottest day of the period reached 43.3 °C (on 20 August 2022) and the coldest -4.7 °C (on 9 January 1956).

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

TieshanChongqing Municipality

coords: 29.69°, 105.50°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.0°C

Average daily high

21.3°C

Average daily low

15.1°C

Annual rainfall

1,235mm

Sunshine / day

6.4h

Mean relative humidity

78%

Average peak wind

11.5km/h

Seasonal range

19.9°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

66 d/yr

Rainy days (≥ 1 mm)

163 d/yr

Annual snowfall

2.1 cm

Average feels-like high

22.5 °C

Average feels-like low

15.5 °C

Average peak gust

23.0 km/h

Tropical nights (≥ 20 °C)

115 d/yr

Solar radiation

11.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.28 · 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

43.3 °C

20 August 2022

Coldest day

-4.7 °C

9 January 1956

Wettest day

135 mm

26 July 2020

Windiest day

69.2 km/h

23 May 1946

Strongest gust

82.1 km/h

22 May 1946

Hottest feels-like

47.3 °C

16 July 2025

Coldest feels-like

-8.8 °C

9 January 1956

Snowiest day

8.8 cm

30 January 1980

Sunniest day

13.9 h

23 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	42.3 °C3 August 2025	2.0 °C12 January 2025	19.5 °C	1,463 mm	107	0
2024	40.9 °C4 September 2024	1.6 °C16 December 2024	19.7 °C	1,141 mm	104	0
2023	37.6 °C23 July 2023	-0.3 °C19 January 2023	19.1 °C	1,274 mm	88	1
2022	43.3 °C20 August 2022	1.7 °C18 December 2022	19.5 °C	921 mm	93	0
2021	39.9 °C3 August 2021	-1.6 °C12 January 2021	18.4 °C	1,120 mm	71	3
2020	37.2 °C10 August 2020	0.6 °C21 December 2020	18.4 °C	1,337 mm	72	0
2019	37.9 °C26 August 2019	3.1 °C22 January 2019	18.3 °C	1,084 mm	63	0
2018	38.2 °C20 July 2018	-1.8 °C9 January 2018	18.4 °C	1,225 mm	78	2
2017	40.8 °C28 July 2017	2.4 °C22 December 2017	18.6 °C	946 mm	73	0
2016	38.8 °C25 August 2016	-3.1 °C25 January 2016	18.7 °C	1,188 mm	87	2
2015	36.7 °C2 August 2015	2.5 °C17 December 2015	19.0 °C	1,022 mm	81	0
2014	37.9 °C30 July 2014	1.5 °C19 February 2014	18.1 °C	1,253 mm	50	0
2013	41.4 °C23 August 2013	-0.3 °C1 January 2013	19.5 °C	971 mm	103	1
2012	37.7 °C11 August 2012	0.1 °C31 December 2012	17.7 °C	1,159 mm	58	0
2011	43.0 °C18 August 2011	-0.6 °C21 January 2011	18.7 °C	808 mm	99	2
2010	39.2 °C11 August 2010	0.2 °C16 December 2010	18.2 °C	1,011 mm	69	0
2009	38.9 °C8 September 2009	2.6 °C27 January 2009	18.8 °C	963 mm	83	0
2008	37.6 °C27 July 2008	-1.6 °C29 January 2008	18.3 °C	990 mm	78	2
2007	36.1 °C22 August 2007	2.0 °C19 January 2007	18.8 °C	1,246 mm	83	0
2006	41.8 °C15 August 2006	0.3 °C9 January 2006	19.2 °C	976 mm	88	0
2005	35.4 °C20 September 2005	-1.2 °C2 January 2005	18.1 °C	1,250 mm	71	1
2004	36.4 °C11 August 2004	-0.5 °C31 December 2004	18.0 °C	1,397 mm	61	1
2003	36.6 °C1 August 2003	1.1 °C6 January 2003	18.4 °C	1,158 mm	54	0
2002	37.1 °C16 July 2002	0.2 °C28 December 2002	18.5 °C	1,162 mm	62	0
2001	38.0 °C6 August 2001	0.3 °C22 December 2001	18.4 °C	1,090 mm	58	0
2000	36.7 °C25 July 2000	1.8 °C1 February 2000	17.9 °C	1,334 mm	58	0
1999	34.9 °C1 August 1999	1.0 °C26 December 1999	18.2 °C	1,471 mm	55	0
1998	36.6 °C28 April 1998	2.5 °C23 January 1998	19.0 °C	1,456 mm	75	0
1997	38.3 °C29 August 1997	0.6 °C24 January 1997	18.2 °C	975 mm	79	0
1996	36.7 °C4 August 1996	1.1 °C22 February 1996	17.3 °C	1,334 mm	68	0
1995	38.0 °C6 September 1995	1.8 °C5 January 1995	18.0 °C	1,123 mm	73	0
1994	39.2 °C5 August 1994	0.4 °C22 January 1994	18.3 °C	1,169 mm	83	0
1993	35.2 °C13 July 1993	-1.6 °C24 January 1993	17.5 °C	1,088 mm	47	1
1992	37.1 °C16 August 1992	0.5 °C16 January 1992	17.5 °C	1,003 mm	63	0
1991	36.6 °C25 July 1991	-3.3 °C28 December 1991	17.7 °C	1,156 mm	61	2
1990	36.5 °C7 August 1990	1.4 °C31 January 1990	18.1 °C	1,090 mm	77	0
1989	36.4 °C22 July 1989	-0.3 °C14 January 1989	17.2 °C	1,283 mm	53	1
1988	36.5 °C2 May 1988	1.0 °C18 January 1988	17.4 °C	1,220 mm	59	0
1987	34.7 °C23 May 1987	0.7 °C27 January 1987	17.9 °C	1,250 mm	44	0
1986	36.5 °C11 August 1986	0.7 °C2 March 1986	17.2 °C	1,324 mm	60	0
1985	36.4 °C5 August 1985	0.6 °C15 December 1985	17.3 °C	1,435 mm	57	0
1984	35.3 °C1 August 1984	-0.6 °C21 January 1984	17.2 °C	1,410 mm	57	1
1983	34.9 °C25 July 1983	1.2 °C21 January 1983	17.6 °C	1,368 mm	41	0
1982	36.2 °C3 August 1982	-1.0 °C26 December 1982	17.2 °C	1,334 mm	47	3
1981	36.1 °C6 August 1981	1.5 °C26 January 1981	17.6 °C	1,179 mm	61	0
1980	35.8 °C27 July 1980	-3.2 °C9 February 1980	17.6 °C	1,151 mm	51	8
1979	35.7 °C9 August 1979	-2.5 °C19 November 1979	17.9 °C	1,371 mm	54	5
1978	37.8 °C25 August 1978	-0.2 °C19 January 1978	18.3 °C	974 mm	81	1
1977	36.2 °C5 August 1977	-4.5 °C30 January 1977	17.8 °C	1,049 mm	64	5
1976	37.9 °C7 August 1976	-0.9 °C28 December 1976	17.1 °C	1,039 mm	52	2
1975	36.2 °C17 July 1975	-4.4 °C15 December 1975	17.9 °C	1,292 mm	65	6
1974	36.2 °C30 July 1974	0.4 °C18 January 1974	17.6 °C	1,304 mm	46	0
1973	36.8 °C26 August 1973	0.1 °C2 January 1973	18.5 °C	1,338 mm	67	0
1972	40.7 °C26 August 1972	0.1 °C8 February 1972	18.0 °C	1,162 mm	75	0
1971	37.2 °C27 July 1971	1.5 °C31 January 1971	18.1 °C	1,008 mm	72	0
1970	36.9 °C18 August 1970	-2.9 °C7 January 1970	17.6 °C	1,105 mm	71	4
1969	36.5 °C29 July 1969	-1.1 °C31 January 1969	18.0 °C	1,081 mm	76	3
1968	35.4 °C31 July 1968	-0.4 °C7 February 1968	17.2 °C	1,491 mm	44	2
1967	36.5 °C17 July 1967	-2.1 °C6 January 1967	17.3 °C	1,436 mm	66	4
1966	34.3 °C3 August 1966	-0.4 °C29 January 1966	17.6 °C	1,210 mm	54	1
1965	33.3 °C29 July 1965	-1.1 °C20 December 1965	17.2 °C	1,523 mm	32	1
1964	36.1 °C12 July 1964	0.5 °C25 February 1964	17.8 °C	1,457 mm	57	0
1963	37.4 °C26 July 1963	-2.3 °C14 January 1963	18.5 °C	1,156 mm	73	1
1962	36.1 °C14 July 1962	-1.1 °C30 December 1962	17.9 °C	1,386 mm	64	2
1961	36.8 °C21 July 1961	-0.2 °C16 January 1961	18.3 °C	1,505 mm	92	1
1960	35.8 °C10 June 1960	-0.3 °C26 January 1960	18.2 °C	1,404 mm	69	1
1959	38.7 °C28 August 1959	0.9 °C11 January 1959	18.6 °C	883 mm	93	0
1958	36.5 °C25 July 1958	-1.0 °C1 February 1958	18.3 °C	1,110 mm	71	1
1957	37.7 °C31 August 1957	0.8 °C13 February 1957	17.8 °C	1,180 mm	50	0
1956	33.9 °C8 June 1956	-4.7 °C9 January 1956	17.6 °C	1,389 mm	56	9
1955	32.2 °C8 August 1955	-3.2 °C6 January 1955	17.6 °C	1,372 mm	44	11
1954	33.4 °C2 September 1954	-1.6 °C31 December 1954	17.7 °C	1,782 mm	50	4
1953	34.9 °C18 August 1953	1.3 °C19 January 1953	18.4 °C	1,475 mm	67	0
1952	34.4 °C1 July 1952	-1.0 °C7 January 1952	18.1 °C	1,540 mm	58	2
1951	33.7 °C8 September 1951	-2.0 °C14 January 1951	17.7 °C	1,475 mm	67	2
1950	33.6 °C23 July 1950	-1.3 °C17 December 1950	17.4 °C	1,606 mm	33	1
1949	33.4 °C9 July 1949	-3.2 °C8 January 1949	17.9 °C	1,198 mm	61	3
1948	33.1 °C13 August 1948	-2.3 °C28 January 1948	17.9 °C	1,299 mm	52	6
1947	32.7 °C25 July 1947	-2.7 °C20 December 1947	18.1 °C	1,367 mm	68	4
1946	37.7 °C19 July 1946	-0.5 °C4 January 1946	18.5 °C	1,049 mm	95	2
1945	33.4 °C5 June 1945	-4.2 °C11 February 1945	16.9 °C	1,264 mm	36	15
1944	34.8 °C4 August 1944	-4.4 °C19 December 1944	17.2 °C	1,199 mm	68	12
1943	32.8 °C4 August 1943	-2.1 °C8 February 1943	17.7 °C	1,658 mm	34	2
1942	32.0 °C4 July 1942	-1.6 °C8 January 1942	18.1 °C	1,541 mm	42	1
1941	33.7 °C11 July 1941	-0.7 °C24 January 1941	17.8 °C	1,084 mm	51	1
1940	34.0 °C14 July 1940	-2.6 °C24 January 1940	17.6 °C	1,118 mm	61	4

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

23.2 °C

+1.9 °C

Hot days (≥ 30 °C)

107 d/yr

+41

Frost days (< 0 °C)

0 d/yr

-2

Annual rainfall

1463 mm

+228 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.0 °C	+1.6 °C	43 mm	+18 mm
Feb	12.1 °C	-0.4 °C	43 mm	+15 mm
Mar	17.3 °C	-0.3 °C	50 mm	-2 mm
Apr	26.0 °C	+3.3 °C	73 mm	-18 mm
May	28.5 °C	+2.4 °C	86 mm	-41 mm
Jun	31.8 °C	+3.4 °C	155 mm	-4 mm
Jul	34.8 °C	+3.6 °C	198 mm	-28 mm
Aug	34.7 °C	+3.2 °C	312 mm	+105 mm
Sep	27.9 °C	+1.2 °C	305 mm	+161 mm
Oct	22.9 °C	+1.8 °C	147 mm	+57 mm
Nov	16.6 °C	+0.1 °C	30 mm	-25 mm
Dec	13.4 °C	+1.9 °C	21 mm	-10 mm

The year's extremes

Hottest day

42.3 °C

3 Aug 2025

Coldest day

2.0 °C

12 Jan 2025

Wettest day

107.3 mm

11 Aug 2025

Windiest day

35.2 km/h

27 Mar 2025

Strongest gust

63.4 km/h

12 Apr 2025

Hottest feels-like

47.3 °C

16 Jul 2025

Coldest feels-like

-1.4 °C

27 Jan 2025

Sunniest day

13.9 h

23 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 Tieshan?

Tieshan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,235 mm of precipitation per year.

What is the hottest day ever recorded in Tieshan?

The hottest day measured in Tieshan between 1940 and 2025 was 20 August 2022, reaching 43.3 °C.

What is the coldest day in Tieshan?

The coldest day measured in Tieshan between 1940 and 2025 was 9 January 1956, at -4.7 °C.

Does it snow in Tieshan?

Yes. Tieshan gets on average 2.1 cm of snow per year and has around 2 frost days.

Has the climate of Tieshan warmed?

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

What is the wettest day in Tieshan?

The wettest day measured in Tieshan between 1940 and 2025 was 26 July 2020, with 135 mm of rain in 24 hours.

What was the windiest day in Tieshan?

The windiest day measured in Tieshan between 1940 and 2025 was 23 May 1946, with winds reaching 69.2 km/h.

What is the warmest month in Tieshan?

The warmest month in Tieshan is July (27.5 °C on average); the coldest is January (7.6 °C).

How much does it rain in Tieshan?

Tieshan receives on average 1,235 mm of precipitation per year, spread over about 163 rainy days.

Is it sunny in Tieshan?

Tieshan gets on average 6.4 hours of sunshine per day, roughly 2,336 hours per year over 1940-2025.

What is the biggest single-day snowfall in Tieshan?

The heaviest 24-hour snowfall measured in Tieshan between 1940 and 2025 was 30 January 1980, with 8.8 cm.

Are there tropical nights in Tieshan?

Yes: Tieshan has on average 115 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Tieshan?

In Tieshan, between 1940 and 2025, the highest apparent temperature reached 47.3 °C on 16 July 2025, and the lowest was -8.8 °C on 9 January 1956.

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