Weixinghu climate — normals and trends

Q: What is the climate of Weixinghu?

Weixinghu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 1,247 mm of precipitation per year.

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

The hottest day measured in Weixinghu between 1940 and 2025 was 17 August 2011, reaching 43.7 °C.

Q: What is the coldest day in Weixinghu?

The coldest day measured in Weixinghu between 1940 and 2025 was 11 February 1945, at -3.4 °C.

Q: Does it snow in Weixinghu?

Yes. Weixinghu gets on average 1.2 cm of snow per year and has around 1 frost days.

Q: Has the climate of Weixinghu warmed?

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

Q: What is the wettest day in Weixinghu?

The wettest day measured in Weixinghu between 1940 and 2025 was 4 August 2009, with 127 mm of rain in 24 hours.

Q: What was the windiest day in Weixinghu?

The windiest day measured in Weixinghu between 1940 and 2025 was 23 May 1946, with winds reaching 56.9 km/h.

Q: What is the warmest month in Weixinghu?

The warmest month in Weixinghu is August (28.4 °C on average); the coldest is January (8.2 °C).

Q: How much does it rain in Weixinghu?

Weixinghu receives on average 1,247 mm of precipitation per year, spread over about 173 rainy days.

Q: Is it sunny in Weixinghu?

Weixinghu gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.

Weixinghu (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.6 °C and it receives 1,247 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 August (28.4 °C on average) and the coldest is January (8.2 °C). Rainfall peaks in July.

Weixinghu averages 1 frost days, 77 hot days (≥ 30 °C) and 173 rainy days per year.

Weixinghu has warmed by +1.1 °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 43.7 °C (on 17 August 2011) and the coldest -3.4 °C (on 11 February 1945).

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

WeixinghuChongqing Municipality

coords: 29.24°, 105.88°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.6°C

Average daily high

21.8°C

Average daily low

15.7°C

Annual rainfall

1,247mm

Sunshine / day

6.2h

Mean relative humidity

78%

Average peak wind

9.8km/h

Seasonal range

20.2°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

77 d/yr

Rainy days (≥ 1 mm)

173 d/yr

Annual snowfall

1.2 cm

Average feels-like high

23.3 °C

Average feels-like low

16.6 °C

Average peak gust

21.6 km/h

Tropical nights (≥ 20 °C)

124 d/yr

Solar radiation

11.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.29 · 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

43.7 °C

17 August 2011

Coldest day

-3.4 °C

11 February 1945

Wettest day

127 mm

4 August 2009

Windiest day

56.9 km/h

23 May 1946

Strongest gust

67.7 km/h

2 July 1946

Hottest feels-like

48.3 °C

16 July 2025

Coldest feels-like

-6.5 °C

11 February 1945

Snowiest day

7.1 cm

27 December 1991

Sunniest day

13.9 h

18 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.2 °C5 August 2025	1.8 °C12 January 2025	19.9 °C	1,257 mm	115	0
2024	42.7 °C4 September 2024	2.4 °C16 December 2024	20.3 °C	1,137 mm	104	0
2023	37.9 °C11 July 2023	0.9 °C19 January 2023	19.5 °C	1,356 mm	90	0
2022	43.6 °C20 August 2022	2.1 °C23 February 2022	20.0 °C	999 mm	96	0
2021	40.7 °C3 August 2021	-1.5 °C12 January 2021	19.0 °C	1,130 mm	85	2
2020	39.6 °C30 August 2020	2.2 °C21 December 2020	18.8 °C	1,222 mm	77	0
2019	38.5 °C16 August 2019	4.7 °C22 January 2019	18.9 °C	1,019 mm	77	0
2018	40.1 °C20 July 2018	1.2 °C10 January 2018	19.1 °C	1,065 mm	89	0
2017	40.9 °C26 July 2017	3.1 °C21 December 2017	19.2 °C	1,032 mm	80	0
2016	40.6 °C25 August 2016	-0.1 °C23 January 2016	19.2 °C	1,321 mm	88	2
2015	37.5 °C2 August 2015	3.1 °C17 December 2015	19.4 °C	1,173 mm	77	0
2014	40.0 °C6 August 2014	2.3 °C21 January 2014	18.6 °C	1,287 mm	59	0
2013	41.9 °C31 July 2013	1.8 °C1 January 2013	20.1 °C	1,064 mm	108	0
2012	38.3 °C12 August 2012	-0.4 °C31 December 2012	18.2 °C	1,101 mm	65	1
2011	43.7 °C17 August 2011	0.3 °C12 January 2011	19.2 °C	882 mm	107	0
2010	41.0 °C11 August 2010	1.6 °C17 December 2010	18.7 °C	1,174 mm	72	0
2009	41.6 °C8 September 2009	2.0 °C27 January 2009	19.3 °C	990 mm	93	0
2008	39.8 °C27 July 2008	-0.2 °C29 January 2008	18.8 °C	1,046 mm	86	1
2007	36.5 °C8 August 2007	2.3 °C19 January 2007	19.2 °C	1,196 mm	89	0
2006	42.8 °C14 August 2006	0.4 °C9 January 2006	19.8 °C	1,027 mm	94	0
2005	37.8 °C1 July 2005	0.5 °C2 January 2005	18.7 °C	1,156 mm	86	0
2004	37.6 °C11 August 2004	1.2 °C31 December 2004	18.5 °C	1,642 mm	71	0
2003	38.7 °C25 August 2003	2.4 °C6 January 2003	19.0 °C	1,220 mm	69	0
2002	38.7 °C16 July 2002	2.3 °C28 December 2002	19.1 °C	1,244 mm	81	0
2001	39.7 °C6 August 2001	2.2 °C11 January 2001	19.0 °C	1,111 mm	66	0
2000	37.4 °C26 July 2000	1.6 °C1 February 2000	18.4 °C	1,404 mm	75	0
1999	36.7 °C14 June 1999	0.4 °C26 December 1999	18.8 °C	1,441 mm	70	0
1998	37.9 °C16 September 1998	2.1 °C23 January 1998	19.3 °C	1,557 mm	86	0
1997	40.9 °C31 August 1997	2.4 °C28 January 1997	18.7 °C	1,202 mm	79	0
1996	37.6 °C23 August 1996	1.6 °C13 December 1996	17.9 °C	1,353 mm	74	0
1995	41.0 °C6 September 1995	2.6 °C29 December 1995	18.6 °C	1,168 mm	83	0
1994	40.4 °C5 August 1994	0.9 °C25 January 1994	18.8 °C	1,184 mm	88	0
1993	37.0 °C13 July 1993	0.6 °C27 January 1993	18.1 °C	1,175 mm	56	0
1992	42.7 °C9 August 1992	1.3 °C24 December 1992	18.3 °C	1,057 mm	75	0
1991	37.6 °C28 July 1991	-0.8 °C28 December 1991	18.3 °C	1,174 mm	79	1
1990	39.8 °C27 August 1990	1.9 °C31 January 1990	18.9 °C	1,103 mm	92	0
1989	37.5 °C22 July 1989	1.0 °C14 January 1989	17.9 °C	1,226 mm	66	0
1988	38.0 °C2 May 1988	2.6 °C19 February 1988	18.1 °C	1,254 mm	76	0
1987	36.7 °C24 May 1987	2.5 °C16 December 1987	18.6 °C	1,291 mm	61	0
1986	37.9 °C7 August 1986	1.1 °C2 March 1986	17.9 °C	1,237 mm	70	0
1985	37.3 °C5 August 1985	2.5 °C18 January 1985	18.0 °C	1,361 mm	68	0
1984	37.6 °C1 August 1984	1.5 °C19 December 1984	17.9 °C	1,346 mm	68	0
1983	36.6 °C27 July 1983	1.9 °C11 January 1983	18.3 °C	1,375 mm	58	0
1982	37.7 °C3 August 1982	-1.0 °C26 December 1982	17.8 °C	1,468 mm	64	1
1981	38.6 °C19 August 1981	1.5 °C23 December 1981	18.4 °C	1,035 mm	82	0
1980	39.2 °C27 July 1980	-0.7 °C31 January 1980	18.3 °C	1,144 mm	58	4
1979	36.8 °C9 August 1979	-0.2 °C24 November 1979	18.5 °C	1,467 mm	67	1
1978	39.7 °C4 September 1978	0.6 °C21 January 1978	19.0 °C	999 mm	91	0
1977	38.1 °C7 August 1977	-1.4 °C30 January 1977	18.3 °C	1,237 mm	72	2
1976	40.0 °C7 August 1976	1.1 °C2 January 1976	17.9 °C	1,039 mm	68	0
1975	38.7 °C9 September 1975	-1.2 °C15 December 1975	18.6 °C	1,338 mm	74	4
1974	38.9 °C30 July 1974	2.4 °C25 February 1974	18.2 °C	1,409 mm	54	0
1973	37.7 °C26 August 1973	2.3 °C31 December 1973	19.1 °C	1,235 mm	81	0
1972	41.2 °C26 August 1972	1.3 °C7 February 1972	18.5 °C	1,204 mm	85	0
1971	39.9 °C1 September 1971	3.4 °C8 January 1971	18.7 °C	1,107 mm	75	0
1970	39.1 °C29 August 1970	0.5 °C7 January 1970	18.2 °C	1,241 mm	76	0
1969	37.5 °C26 July 1969	1.1 °C16 January 1969	18.7 °C	1,166 mm	91	0
1968	36.8 °C31 July 1968	1.2 °C7 February 1968	17.9 °C	1,550 mm	62	0
1967	38.1 °C10 August 1967	0.1 °C12 January 1967	18.0 °C	1,454 mm	75	0
1966	36.4 °C5 August 1966	-0.7 °C29 January 1966	18.2 °C	1,232 mm	69	1
1965	34.5 °C12 July 1965	0.9 °C20 December 1965	17.8 °C	1,323 mm	45	0
1964	40.2 °C20 July 1964	1.5 °C25 February 1964	18.6 °C	1,293 mm	73	0
1963	39.0 °C31 August 1963	-0.4 °C14 January 1963	19.5 °C	1,183 mm	96	1
1962	38.8 °C18 July 1962	0.1 °C3 January 1962	18.5 °C	1,349 mm	75	0
1961	39.2 °C22 August 1961	0.5 °C16 January 1961	19.0 °C	1,280 mm	99	0
1960	37.7 °C4 August 1960	0.6 °C3 January 1960	18.6 °C	1,206 mm	81	0
1959	39.9 °C28 August 1959	2.0 °C10 January 1959	19.1 °C	949 mm	100	0
1958	37.5 °C26 July 1958	0.6 °C15 January 1958	18.8 °C	1,114 mm	85	0
1957	38.2 °C23 July 1957	0.8 °C7 February 1957	18.2 °C	1,228 mm	55	0
1956	35.1 °C3 July 1956	-1.5 °C12 January 1956	18.2 °C	1,396 mm	79	4
1955	34.3 °C7 July 1955	-2.2 °C6 January 1955	18.2 °C	1,230 mm	70	4
1954	35.2 °C16 July 1954	0.9 °C31 December 1954	18.3 °C	1,667 mm	69	0
1953	37.0 °C2 August 1953	1.8 °C19 January 1953	19.2 °C	1,356 mm	90	0
1952	36.3 °C4 July 1952	1.7 °C14 January 1952	18.7 °C	1,349 mm	69	0
1951	35.5 °C8 September 1951	-2.5 °C14 January 1951	18.3 °C	1,226 mm	79	1
1950	34.1 °C3 July 1950	0.9 °C17 December 1950	17.9 °C	1,587 mm	53	0
1949	35.4 °C14 September 1949	0.2 °C8 January 1949	18.5 °C	1,254 mm	77	0
1948	34.0 °C13 August 1948	-0.4 °C9 February 1948	18.5 °C	1,292 mm	77	1
1947	34.4 °C25 July 1947	-1.9 °C20 December 1947	18.6 °C	1,452 mm	79	3
1946	38.8 °C19 July 1946	-0.1 °C7 January 1946	19.1 °C	1,106 mm	108	1
1945	34.1 °C25 July 1945	-3.4 °C11 February 1945	17.4 °C	1,248 mm	57	9
1944	35.7 °C4 August 1944	-2.9 °C18 December 1944	17.6 °C	1,211 mm	82	7
1943	32.7 °C22 September 1943	-2.0 °C8 February 1943	18.1 °C	2,032 mm	48	1
1942	32.8 °C3 August 1942	0.1 °C8 January 1942	18.5 °C	1,520 mm	60	0
1941	35.4 °C11 July 1941	1.7 °C2 February 1941	18.2 °C	1,276 mm	52	0
1940	35.5 °C28 August 1940	-1.0 °C3 February 1940	18.1 °C	1,016 mm	73	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

23.6 °C

+1.8 °C

Hot days (≥ 30 °C)

115 d/yr

+38

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1257 mm

+10 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.2 °C	+1.6 °C	59 mm	+23 mm
Feb	12.3 °C	-0.5 °C	50 mm	+12 mm
Mar	17.4 °C	-0.5 °C	59 mm	-8 mm
Apr	25.8 °C	+2.9 °C	72 mm	-39 mm
May	28.2 °C	+1.9 °C	119 mm	-32 mm
Jun	31.0 °C	+2.3 °C	122 mm	-42 mm
Jul	35.1 °C	+2.9 °C	263 mm	+91 mm
Aug	35.9 °C	+3.4 °C	128 mm	-27 mm
Sep	29.9 °C	+2.1 °C	163 mm	+35 mm
Oct	24.3 °C	+2.6 °C	124 mm	+14 mm
Nov	16.8 °C	-0.1 °C	63 mm	-10 mm
Dec	13.5 °C	+1.7 °C	37 mm	-6 mm

The year's extremes

Hottest day

41.2 °C

5 Aug 2025

Coldest day

1.8 °C

12 Jan 2025

Wettest day

66.8 mm

23 Jul 2025

Windiest day

31.6 km/h

12 Apr 2025

Strongest gust

64.4 km/h

12 Apr 2025

Hottest feels-like

48.3 °C

16 Jul 2025

Coldest feels-like

-1.0 °C

12 Jan 2025

Sunniest day

13.9 h

12 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 Weixinghu?

Weixinghu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 1,247 mm of precipitation per year.

What is the hottest day ever recorded in Weixinghu?

The hottest day measured in Weixinghu between 1940 and 2025 was 17 August 2011, reaching 43.7 °C.

What is the coldest day in Weixinghu?

The coldest day measured in Weixinghu between 1940 and 2025 was 11 February 1945, at -3.4 °C.

Does it snow in Weixinghu?

Yes. Weixinghu gets on average 1.2 cm of snow per year and has around 1 frost days.

Has the climate of Weixinghu warmed?

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

What is the wettest day in Weixinghu?

The wettest day measured in Weixinghu between 1940 and 2025 was 4 August 2009, with 127 mm of rain in 24 hours.

What was the windiest day in Weixinghu?

The windiest day measured in Weixinghu between 1940 and 2025 was 23 May 1946, with winds reaching 56.9 km/h.

What is the warmest month in Weixinghu?

The warmest month in Weixinghu is August (28.4 °C on average); the coldest is January (8.2 °C).

How much does it rain in Weixinghu?

Weixinghu receives on average 1,247 mm of precipitation per year, spread over about 173 rainy days.

Is it sunny in Weixinghu?

Weixinghu gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.

What is the biggest single-day snowfall in Weixinghu?

The heaviest 24-hour snowfall measured in Weixinghu between 1940 and 2025 was 27 December 1991, with 7.1 cm.

Are there tropical nights in Weixinghu?

Yes: Weixinghu has on average 124 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Weixinghu?

In Weixinghu, between 1940 and 2025, the highest apparent temperature reached 48.3 °C on 16 July 2025, and the lowest was -6.5 °C on 11 February 1945.

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