Shimen climate — normals and trends

Q: What is the climate of Shimen?

Shimen has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,305 mm of precipitation per year.

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

The hottest day measured in Shimen between 1940 and 2025 was 20 August 2022, reaching 42.8 °C.

Q: What is the coldest day in Shimen?

The coldest day measured in Shimen between 1940 and 2025 was 21 December 1944, at -4.7 °C.

Q: Does it snow in Shimen?

Yes. Shimen gets on average 2.1 cm of snow per year and has around 1 frost days.

Q: Has the climate of Shimen warmed?

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

Q: What is the wettest day in Shimen?

The wettest day measured in Shimen between 1940 and 2025 was 25 August 1968, with 169 mm of rain in 24 hours.

Q: What was the windiest day in Shimen?

The windiest day measured in Shimen between 1940 and 2025 was 29 May 1946, with winds reaching 55.6 km/h.

Q: What is the warmest month in Shimen?

The warmest month in Shimen is July (28.1 °C on average); the coldest is January (7.9 °C).

Q: How much does it rain in Shimen?

Shimen receives on average 1,305 mm of precipitation per year, spread over about 186 rainy days.

Q: Is it sunny in Shimen?

Shimen gets on average 6.1 hours of sunshine per day, roughly 2,227 hours per year over 1940-2025.

Shimen (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 1,305 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 (7.9 °C). Rainfall peaks in July.

Shimen averages 1 frost days, 72 hot days (≥ 30 °C) and 186 rainy days per year.

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

The number of frost days there went from about 2 to 0 per year over the period.

The hottest day of the period reached 42.8 °C (on 20 August 2022) and the coldest -4.7 °C (on 21 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

ShimenChongqing Municipality

coords: 29.10°, 106.03°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

18.3°C

Average daily high

21.5°C

Average daily low

15.5°C

Annual rainfall

1,305mm

Sunshine / day

6.1h

Mean relative humidity

79%

Average peak wind

8.8km/h

Seasonal range

20.2°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

72 d/yr

Rainy days (≥ 1 mm)

186 d/yr

Annual snowfall

2.1 cm

Average feels-like high

23.0 °C

Average feels-like low

16.4 °C

Average peak gust

21.5 km/h

Tropical nights (≥ 20 °C)

120 d/yr

Solar radiation

11.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.27 · 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

42.8 °C

20 August 2022

Coldest day

-4.7 °C

21 December 1944

Wettest day

169 mm

25 August 1968

Windiest day

55.6 km/h

29 May 1946

Strongest gust

80.3 km/h

13 May 1946

Hottest feels-like

47.4 °C

25 July 1957

Coldest feels-like

-8.4 °C

21 December 1944

Snowiest day

8.2 cm

27 December 1991

Sunniest day

13.9 h

19 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.8 °C3 August 2025	1.8 °C12 January 2025	19.5 °C	1,272 mm	108	0
2024	41.7 °C4 September 2024	2.8 °C24 January 2024	19.9 °C	1,224 mm	98	0
2023	37.8 °C11 July 2023	0.8 °C15 January 2023	19.2 °C	1,319 mm	83	0
2022	42.8 °C20 August 2022	2.4 °C19 December 2022	19.6 °C	996 mm	95	0
2021	40.4 °C3 August 2021	-1.4 °C12 January 2021	18.7 °C	1,167 mm	81	2
2020	38.5 °C30 August 2020	1.9 °C21 December 2020	18.5 °C	1,301 mm	69	0
2019	38.5 °C16 August 2019	4.4 °C29 December 2019	18.6 °C	1,029 mm	69	0
2018	39.8 °C20 July 2018	1.0 °C10 January 2018	18.7 °C	1,133 mm	86	0
2017	40.3 °C26 July 2017	2.5 °C21 December 2017	18.9 °C	1,044 mm	80	0
2016	39.5 °C25 August 2016	-0.6 °C25 January 2016	18.9 °C	1,392 mm	83	2
2015	36.9 °C28 June 2015	3.2 °C17 December 2015	19.1 °C	1,252 mm	73	0
2014	38.5 °C6 August 2014	2.1 °C21 January 2014	18.3 °C	1,273 mm	57	0
2013	40.9 °C31 July 2013	1.7 °C1 January 2013	19.6 °C	1,094 mm	107	0
2012	38.0 °C12 August 2012	-0.9 °C31 December 2012	17.8 °C	1,150 mm	61	1
2011	42.6 °C17 August 2011	-0.1 °C12 January 2011	18.8 °C	882 mm	103	2
2010	40.3 °C11 August 2010	0.9 °C17 December 2010	18.4 °C	1,193 mm	69	0
2009	40.8 °C8 September 2009	1.8 °C27 January 2009	19.0 °C	988 mm	89	0
2008	37.7 °C27 July 2008	-0.1 °C29 January 2008	18.5 °C	1,090 mm	80	1
2007	36.5 °C15 July 2007	2.4 °C19 January 2007	18.9 °C	1,219 mm	89	0
2006	42.0 °C14 August 2006	-0.2 °C9 January 2006	19.5 °C	1,081 mm	91	1
2005	37.5 °C20 September 2005	0.3 °C2 January 2005	18.5 °C	1,225 mm	81	0
2004	37.5 °C9 August 2004	1.9 °C31 December 2004	18.2 °C	1,574 mm	66	0
2003	38.6 °C25 August 2003	2.1 °C7 January 2003	18.7 °C	1,284 mm	68	0
2002	38.7 °C16 July 2002	2.3 °C27 December 2002	18.8 °C	1,291 mm	74	0
2001	38.4 °C26 July 2001	1.9 °C11 January 2001	18.7 °C	1,173 mm	58	0
2000	37.5 °C26 July 2000	1.3 °C1 February 2000	18.1 °C	1,487 mm	71	0
1999	36.6 °C14 June 1999	0.1 °C26 December 1999	18.5 °C	1,482 mm	64	0
1998	37.8 °C16 September 1998	1.6 °C23 January 1998	19.0 °C	1,575 mm	78	0
1997	39.4 °C31 August 1997	2.2 °C28 January 1997	18.4 °C	1,288 mm	74	0
1996	37.3 °C4 August 1996	1.4 °C13 December 1996	17.7 °C	1,374 mm	71	0
1995	40.3 °C6 September 1995	2.5 °C5 January 1995	18.3 °C	1,322 mm	76	0
1994	40.0 °C5 August 1994	0.6 °C23 January 1994	18.5 °C	1,190 mm	82	0
1993	36.9 °C13 July 1993	-0.7 °C24 January 1993	17.9 °C	1,199 mm	52	1
1992	41.6 °C9 August 1992	1.3 °C24 December 1992	18.0 °C	1,107 mm	73	0
1991	37.3 °C25 July 1991	-1.6 °C28 December 1991	18.0 °C	1,195 mm	72	1
1990	39.2 °C27 August 1990	1.9 °C31 January 1990	18.7 °C	1,168 mm	88	0
1989	37.7 °C22 July 1989	-0.5 °C14 January 1989	17.6 °C	1,271 mm	64	1
1988	38.3 °C17 July 1988	2.4 °C19 February 1988	17.9 °C	1,314 mm	71	0
1987	36.7 °C24 May 1987	2.6 °C16 December 1987	18.4 °C	1,301 mm	58	0
1986	37.8 °C7 August 1986	0.7 °C7 January 1986	17.6 °C	1,322 mm	63	0
1985	37.3 °C5 August 1985	2.0 °C15 December 1985	17.7 °C	1,417 mm	61	0
1984	37.8 °C1 August 1984	1.0 °C19 December 1984	17.6 °C	1,386 mm	66	0
1983	36.3 °C25 July 1983	1.2 °C24 January 1983	18.0 °C	1,509 mm	52	0
1982	37.9 °C3 August 1982	-1.8 °C27 December 1982	17.6 °C	1,591 mm	57	3
1981	38.8 °C19 August 1981	1.2 °C23 December 1981	18.1 °C	1,118 mm	79	0
1980	38.9 °C27 July 1980	-2.5 °C31 January 1980	18.1 °C	1,175 mm	58	5
1979	36.8 °C9 August 1979	0.7 °C24 November 1979	18.2 °C	1,536 mm	56	0
1978	39.3 °C12 July 1978	0.3 °C21 January 1978	18.6 °C	1,093 mm	90	0
1977	38.3 °C7 August 1977	-0.5 °C10 January 1977	18.0 °C	1,351 mm	68	3
1976	39.1 °C7 August 1976	0.9 °C2 January 1976	17.5 °C	1,089 mm	58	0
1975	38.1 °C9 September 1975	-3.0 °C15 December 1975	18.3 °C	1,447 mm	71	5
1974	38.8 °C30 July 1974	2.2 °C25 February 1974	17.9 °C	1,426 mm	52	0
1973	37.3 °C7 July 1973	2.3 °C31 December 1973	18.8 °C	1,270 mm	77	0
1972	40.2 °C26 August 1972	1.0 °C7 February 1972	18.2 °C	1,296 mm	78	0
1971	38.5 °C2 September 1971	2.4 °C8 January 1971	18.4 °C	1,261 mm	69	0
1970	38.5 °C29 August 1970	0.9 °C7 January 1970	17.9 °C	1,290 mm	73	0
1969	37.6 °C26 July 1969	0.9 °C16 January 1969	18.4 °C	1,215 mm	84	0
1968	36.7 °C1 August 1968	1.1 °C14 February 1968	17.6 °C	1,726 mm	57	0
1967	38.3 °C11 August 1967	-0.4 °C12 January 1967	17.7 °C	1,568 mm	71	2
1966	36.3 °C5 August 1966	-0.9 °C29 January 1966	17.9 °C	1,287 mm	67	1
1965	34.5 °C12 July 1965	0.9 °C20 December 1965	17.6 °C	1,322 mm	41	0
1964	39.7 °C20 July 1964	1.7 °C25 February 1964	18.3 °C	1,368 mm	67	0
1963	38.9 °C31 August 1963	0.5 °C5 January 1963	19.2 °C	1,191 mm	92	0
1962	38.7 °C18 July 1962	-0.8 °C30 December 1962	18.2 °C	1,375 mm	69	1
1961	39.3 °C22 August 1961	0.3 °C16 January 1961	18.7 °C	1,339 mm	97	0
1960	37.8 °C4 August 1960	-0.2 °C3 January 1960	18.4 °C	1,224 mm	76	1
1959	38.9 °C9 July 1959	1.4 °C10 January 1959	18.7 °C	1,020 mm	90	0
1958	37.6 °C26 July 1958	-0.1 °C19 January 1958	18.5 °C	1,218 mm	84	1
1957	38.4 °C23 July 1957	0.6 °C7 February 1957	17.9 °C	1,259 mm	55	0
1956	35.1 °C9 June 1956	-1.4 °C11 January 1956	17.9 °C	1,339 mm	75	5
1955	34.5 °C7 July 1955	-3.3 °C6 January 1955	18.0 °C	1,337 mm	65	7
1954	35.2 °C16 July 1954	0.8 °C31 December 1954	18.1 °C	1,658 mm	64	0
1953	36.8 °C3 August 1953	1.8 °C27 January 1953	19.0 °C	1,365 mm	80	0
1952	36.4 °C4 July 1952	1.3 °C14 January 1952	18.5 °C	1,317 mm	65	0
1951	35.4 °C8 September 1951	-2.0 °C14 January 1951	18.1 °C	1,270 mm	75	1
1950	34.4 °C3 July 1950	0.4 °C17 December 1950	17.7 °C	1,692 mm	41	0
1949	35.1 °C23 August 1949	0.5 °C9 January 1949	18.2 °C	1,360 mm	68	0
1948	33.8 °C13 August 1948	-0.7 °C9 February 1948	18.2 °C	1,376 mm	65	3
1947	34.4 °C25 July 1947	-3.1 °C20 December 1947	18.3 °C	1,568 mm	74	4
1946	38.1 °C19 July 1946	-0.1 °C3 February 1946	18.8 °C	1,215 mm	99	1
1945	34.4 °C25 July 1945	-3.1 °C11 February 1945	17.1 °C	1,311 mm	49	12
1944	35.2 °C4 August 1944	-4.7 °C21 December 1944	17.3 °C	1,435 mm	74	10
1943	32.7 °C6 September 1943	-3.1 °C8 February 1943	17.8 °C	2,178 mm	30	1
1942	33.0 °C3 August 1942	0.3 °C8 January 1942	18.2 °C	1,713 mm	41	0
1941	35.7 °C11 July 1941	1.5 °C2 February 1941	17.9 °C	1,382 mm	40	0
1940	35.4 °C26 August 1940	-1.6 °C24 January 1940	17.8 °C	1,111 mm	67	2

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

+1.7 °C

Hot days (≥ 30 °C)

108 d/yr

+36

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1272 mm

-33 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.0 °C	+1.7 °C	64 mm	+20 mm
Feb	12.0 °C	-0.5 °C	52 mm	+10 mm
Mar	17.0 °C	-0.6 °C	64 mm	-6 mm
Apr	25.3 °C	+2.7 °C	70 mm	-40 mm
May	27.7 °C	+1.7 °C	146 mm	-8 mm
Jun	30.3 °C	+1.9 °C	138 mm	-33 mm
Jul	34.3 °C	+2.4 °C	231 mm	+53 mm
Aug	35.2 °C	+3.1 °C	108 mm	-55 mm
Sep	29.6 °C	+2.1 °C	146 mm	+15 mm
Oct	24.0 °C	+2.7 °C	133 mm	+20 mm
Nov	16.5 °C	-0.1 °C	77 mm	-1 mm
Dec	13.2 °C	+1.6 °C	43 mm	-8 mm

The year's extremes

Hottest day

39.8 °C

3 Aug 2025

Coldest day

1.8 °C

12 Jan 2025

Wettest day

44.9 mm

30 Jun 2025

Windiest day

24.7 km/h

12 Apr 2025

Strongest gust

55.4 km/h

12 Apr 2025

Hottest feels-like

46.9 °C

16 Jul 2025

Coldest feels-like

-0.9 °C

27 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 Shimen?

Shimen has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,305 mm of precipitation per year.

What is the hottest day ever recorded in Shimen?

The hottest day measured in Shimen between 1940 and 2025 was 20 August 2022, reaching 42.8 °C.

What is the coldest day in Shimen?

The coldest day measured in Shimen between 1940 and 2025 was 21 December 1944, at -4.7 °C.

Does it snow in Shimen?

Yes. Shimen gets on average 2.1 cm of snow per year and has around 1 frost days.

Has the climate of Shimen warmed?

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

What is the wettest day in Shimen?

The wettest day measured in Shimen between 1940 and 2025 was 25 August 1968, with 169 mm of rain in 24 hours.

What was the windiest day in Shimen?

The windiest day measured in Shimen between 1940 and 2025 was 29 May 1946, with winds reaching 55.6 km/h.

What is the warmest month in Shimen?

The warmest month in Shimen is July (28.1 °C on average); the coldest is January (7.9 °C).

How much does it rain in Shimen?

Shimen receives on average 1,305 mm of precipitation per year, spread over about 186 rainy days.

Is it sunny in Shimen?

Shimen gets on average 6.1 hours of sunshine per day, roughly 2,227 hours per year over 1940-2025.

What is the biggest single-day snowfall in Shimen?

The heaviest 24-hour snowfall measured in Shimen between 1940 and 2025 was 27 December 1991, with 8.2 cm.

Are there tropical nights in Shimen?

Yes: Shimen has on average 120 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Shimen?

In Shimen, between 1940 and 2025, the highest apparent temperature reached 47.4 °C on 25 July 1957, and the lowest was -8.4 °C on 21 December 1944.

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