Yanwo climate — normals and trends

Q: What is the climate of Yanwo?

Yanwo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,301 mm of precipitation per year.

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

The hottest day measured in Yanwo between 1940 and 2025 was 17 August 2011, reaching 44.3 °C.

Q: What is the coldest day in Yanwo?

The coldest day measured in Yanwo between 1940 and 2025 was 11 January 1956, at -9.4 °C.

Q: Does it snow in Yanwo?

Yes. Yanwo gets on average 2.2 cm of snow per year and has around 2 frost days.

Q: Has the climate of Yanwo warmed?

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

Q: What is the wettest day in Yanwo?

The wettest day measured in Yanwo between 1940 and 2025 was 10 July 1952, with 181 mm of rain in 24 hours.

Q: What was the windiest day in Yanwo?

The windiest day measured in Yanwo between 1940 and 2025 was 24 May 1946, with winds reaching 73.3 km/h.

Q: What is the warmest month in Yanwo?

The warmest month in Yanwo is August (28.3 °C on average); the coldest is January (7.8 °C).

Q: How much does it rain in Yanwo?

Yanwo receives on average 1,301 mm of precipitation per year, spread over about 157 rainy days.

Q: Is it sunny in Yanwo?

Yanwo gets on average 6.3 hours of sunshine per day, roughly 2,300 hours per year over 1940-2025.

Yanwo (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 1,301 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 (28.3 °C on average) and the coldest is January (7.8 °C). Rainfall peaks in July.

Yanwo averages 2 frost days, 73 hot days (≥ 30 °C) and 157 rainy days per year.

Yanwo 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 4 to 0 per year over the period.

The hottest day of the period reached 44.3 °C (on 17 August 2011) and the coldest -9.4 °C (on 11 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

YanwoChongqing Municipality

coords: 30.33°, 106.07°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.3°C

Average daily high

21.7°C

Average daily low

15.3°C

Annual rainfall

1,301mm

Sunshine / day

6.3h

Mean relative humidity

78%

Average peak wind

11.3km/h

Seasonal range

20.5°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

157 d/yr

Annual snowfall

2.2 cm

Average feels-like high

23.0 °C

Average feels-like low

15.8 °C

Average peak gust

22.8 km/h

Tropical nights (≥ 20 °C)

119 d/yr

Solar radiation

11.7 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

44.3 °C

17 August 2011

Coldest day

-9.4 °C

11 January 1956

Wettest day

181 mm

10 July 1952

Windiest day

73.3 km/h

24 May 1946

Strongest gust

87.5 km/h

22 May 1946

Hottest feels-like

47.9 °C

5 August 2025

Coldest feels-like

-13.9 °C

11 January 1956

Snowiest day

9.9 cm

30 January 1980

Sunniest day

14.0 h

27 June 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	43.7 °C5 August 2025	1.0 °C27 January 2025	19.9 °C	1,550 mm	115	0
2024	42.6 °C4 September 2024	1.0 °C16 December 2024	20.2 °C	1,008 mm	108	0
2023	38.0 °C9 August 2023	-0.5 °C19 January 2023	19.2 °C	1,356 mm	87	1
2022	43.2 °C20 August 2022	0.9 °C19 December 2022	19.8 °C	1,041 mm	96	0
2021	40.7 °C3 August 2021	-2.0 °C12 January 2021	18.7 °C	1,224 mm	76	2
2020	37.8 °C10 August 2020	1.1 °C21 December 2020	18.7 °C	1,296 mm	84	0
2019	38.4 °C25 August 2019	2.4 °C1 January 2019	18.6 °C	1,150 mm	68	0
2018	39.1 °C20 July 2018	-1.7 °C9 January 2018	18.8 °C	1,227 mm	89	2
2017	42.2 °C28 July 2017	1.7 °C22 December 2017	18.9 °C	1,028 mm	78	0
2016	40.4 °C24 August 2016	-3.4 °C25 January 2016	19.0 °C	1,048 mm	90	2
2015	36.7 °C2 August 2015	1.8 °C17 December 2015	19.2 °C	1,220 mm	84	0
2014	41.0 °C6 August 2014	1.2 °C19 December 2014	18.4 °C	1,316 mm	53	0
2013	42.0 °C23 August 2013	-1.5 °C1 January 2013	19.7 °C	1,081 mm	110	1
2012	38.2 °C11 August 2012	-0.1 °C31 December 2012	18.1 °C	1,268 mm	65	1
2011	44.3 °C17 August 2011	-0.8 °C12 January 2011	18.9 °C	893 mm	98	3
2010	40.7 °C11 August 2010	-0.3 °C16 December 2010	18.4 °C	1,001 mm	69	2
2009	38.2 °C19 July 2009	1.9 °C9 January 2009	18.7 °C	1,016 mm	77	0
2008	35.9 °C20 July 2008	-1.3 °C29 January 2008	18.3 °C	1,231 mm	72	2
2007	37.4 °C22 August 2007	1.1 °C19 January 2007	19.0 °C	1,322 mm	87	0
2006	42.7 °C15 August 2006	1.4 °C9 January 2006	19.5 °C	987 mm	93	0
2005	35.8 °C20 September 2005	-0.7 °C2 January 2005	18.4 °C	1,342 mm	77	1
2004	37.8 °C11 August 2004	-0.6 °C31 December 2004	18.3 °C	1,376 mm	67	1
2003	37.8 °C1 August 2003	1.2 °C6 January 2003	18.7 °C	1,208 mm	66	0
2002	37.6 °C13 July 2002	1.2 °C28 December 2002	18.8 °C	1,385 mm	72	0
2001	39.1 °C6 August 2001	-0.1 °C22 December 2001	18.8 °C	1,129 mm	65	1
2000	37.8 °C27 July 2000	1.5 °C1 January 2000	18.3 °C	1,425 mm	69	0
1999	36.2 °C1 August 1999	0.2 °C26 December 1999	18.5 °C	1,701 mm	66	0
1998	36.3 °C19 July 1998	0.9 °C20 January 1998	19.2 °C	1,610 mm	81	0
1997	40.9 °C29 August 1997	0.6 °C26 January 1997	18.6 °C	989 mm	79	0
1996	37.6 °C23 August 1996	0.6 °C22 February 1996	17.7 °C	1,363 mm	76	0
1995	40.4 °C6 September 1995	1.1 °C6 January 1995	18.3 °C	1,194 mm	79	0
1994	41.4 °C5 August 1994	0.0 °C18 January 1994	18.7 °C	1,232 mm	89	0
1993	35.5 °C13 July 1993	-1.7 °C24 January 1993	17.8 °C	1,386 mm	55	2
1992	39.2 °C9 August 1992	0.1 °C8 January 1992	17.8 °C	1,151 mm	72	0
1991	37.2 °C25 July 1991	-3.3 °C28 December 1991	18.0 °C	1,163 mm	65	2
1990	37.3 °C7 August 1990	1.9 °C31 January 1990	18.5 °C	1,128 mm	88	0
1989	37.3 °C22 July 1989	1.2 °C11 February 1989	17.6 °C	1,336 mm	59	0
1988	36.5 °C19 July 1988	1.1 °C11 February 1988	17.9 °C	1,405 mm	70	0
1987	35.1 °C23 May 1987	1.3 °C6 December 1987	18.3 °C	1,477 mm	53	0
1986	37.2 °C11 August 1986	0.4 °C2 March 1986	17.6 °C	1,387 mm	66	0
1985	37.3 °C4 August 1985	0.5 °C15 December 1985	17.7 °C	1,377 mm	68	0
1984	36.6 °C1 August 1984	-0.2 °C21 January 1984	17.6 °C	1,421 mm	65	1
1983	35.3 °C25 July 1983	-0.1 °C21 January 1983	18.0 °C	1,330 mm	50	1
1982	36.8 °C3 August 1982	-2.0 °C27 December 1982	17.5 °C	1,537 mm	55	3
1981	37.1 °C6 August 1981	1.0 °C23 December 1981	18.0 °C	1,065 mm	71	0
1980	37.3 °C27 July 1980	-1.0 °C9 February 1980	18.1 °C	1,384 mm	57	4
1979	36.7 °C11 August 1979	-2.0 °C23 November 1979	18.3 °C	1,340 mm	66	3
1978	39.9 °C4 September 1978	0.2 °C18 January 1978	18.7 °C	970 mm	88	0
1977	37.8 °C8 August 1977	-2.5 °C30 January 1977	18.2 °C	1,114 mm	73	6
1976	39.5 °C7 August 1976	-1.8 °C29 December 1976	17.6 °C	1,172 mm	57	3
1975	36.9 °C9 September 1975	-2.0 °C28 December 1975	18.3 °C	1,316 mm	73	8
1974	36.9 °C30 July 1974	-0.1 °C18 January 1974	18.0 °C	1,443 mm	49	1
1973	37.4 °C26 August 1973	-0.6 °C2 January 1973	18.9 °C	1,382 mm	76	1
1972	41.8 °C26 August 1972	-0.1 °C8 February 1972	18.4 °C	1,218 mm	87	1
1971	40.7 °C1 September 1971	0.3 °C31 January 1971	18.5 °C	965 mm	75	0
1970	38.2 °C18 August 1970	-1.3 °C7 January 1970	18.0 °C	1,185 mm	74	4
1969	38.0 °C2 August 1969	-1.2 °C31 January 1969	18.5 °C	1,141 mm	87	2
1968	36.5 °C31 July 1968	0.6 °C10 February 1968	17.6 °C	1,676 mm	53	0
1967	38.0 °C30 August 1967	-2.4 °C12 January 1967	17.8 °C	1,518 mm	78	6
1966	34.3 °C5 August 1966	-1.0 °C24 February 1966	17.9 °C	1,148 mm	62	3
1965	33.6 °C29 July 1965	-1.7 °C20 December 1965	17.4 °C	1,627 mm	37	2
1964	37.4 °C20 July 1964	0.5 °C29 January 1964	18.2 °C	1,642 mm	64	0
1963	37.0 °C4 June 1963	-2.1 °C15 January 1963	18.8 °C	1,335 mm	77	3
1962	36.8 °C18 July 1962	-0.2 °C3 January 1962	18.3 °C	1,469 mm	74	2
1961	37.7 °C23 July 1961	-0.6 °C16 January 1961	18.7 °C	1,509 mm	95	1
1960	37.3 °C6 August 1960	-0.4 °C2 January 1960	18.5 °C	1,492 mm	76	2
1959	41.5 °C28 August 1959	-0.1 °C11 January 1959	19.1 °C	939 mm	97	1
1958	37.0 °C24 July 1958	0.9 °C15 January 1958	18.6 °C	1,242 mm	81	0
1957	38.4 °C31 August 1957	-0.6 °C18 January 1957	18.3 °C	1,288 mm	54	2
1956	34.0 °C4 August 1956	-9.4 °C11 January 1956	17.8 °C	1,411 mm	67	10
1955	33.4 °C8 August 1955	-3.6 °C6 January 1955	17.9 °C	1,329 mm	55	10
1954	34.0 °C3 September 1954	-1.3 °C23 January 1954	18.0 °C	1,830 mm	61	4
1953	36.0 °C18 August 1953	1.6 °C27 January 1953	18.7 °C	1,544 mm	70	0
1952	35.2 °C4 July 1952	-1.3 °C7 January 1952	18.3 °C	1,871 mm	63	3
1951	33.6 °C15 August 1951	-2.9 °C14 January 1951	18.0 °C	1,366 mm	80	1
1950	34.0 °C23 July 1950	-0.4 °C17 December 1950	17.7 °C	1,665 mm	47	1
1949	33.9 °C15 September 1949	-2.6 °C8 January 1949	18.2 °C	1,389 mm	84	5
1948	33.4 °C13 August 1948	-2.8 °C28 January 1948	18.2 °C	1,374 mm	77	7
1947	33.2 °C19 May 1947	-3.0 °C20 December 1947	18.4 °C	1,258 mm	79	5
1946	37.8 °C20 July 1946	-0.4 °C9 January 1946	18.8 °C	976 mm	99	2
1945	33.9 °C5 June 1945	-5.9 °C11 February 1945	17.2 °C	1,259 mm	50	15
1944	35.1 °C4 August 1944	-4.2 °C18 December 1944	17.7 °C	1,089 mm	86	10
1943	32.7 °C4 August 1943	-1.2 °C8 February 1943	18.0 °C	1,904 mm	44	2
1942	33.2 °C8 August 1942	-1.2 °C8 January 1942	18.4 °C	1,357 mm	66	2
1941	34.6 °C12 July 1941	-0.6 °C24 January 1941	18.1 °C	1,220 mm	62	1
1940	34.8 °C14 July 1940	-2.8 °C24 January 1940	17.9 °C	1,165 mm	75	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

23.7 °C

+2.0 °C

Hot days (≥ 30 °C)

115 d/yr

+42

Frost days (< 0 °C)

0 d/yr

-2

Annual rainfall

1550 mm

+249 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.3 °C	+1.7 °C	53 mm	+23 mm
Feb	12.6 °C	-0.1 °C	43 mm	+10 mm
Mar	17.5 °C	-0.2 °C	71 mm	+6 mm
Apr	26.4 °C	+3.5 °C	67 mm	-39 mm
May	29.2 °C	+2.9 °C	66 mm	-77 mm
Jun	31.9 °C	+3.1 °C	159 mm	-2 mm
Jul	35.9 °C	+4.0 °C	160 mm	-50 mm
Aug	35.9 °C	+3.6 °C	312 mm	+126 mm
Sep	28.2 °C	+0.9 °C	383 mm	+229 mm
Oct	23.4 °C	+1.8 °C	176 mm	+68 mm
Nov	17.0 °C	+0.2 °C	34 mm	-32 mm
Dec	13.6 °C	+1.8 °C	26 mm	-12 mm

The year's extremes

Hottest day

43.7 °C

5 Aug 2025

Coldest day

1.0 °C

27 Jan 2025

Wettest day

143.0 mm

11 Aug 2025

Windiest day

39.0 km/h

27 Mar 2025

Strongest gust

67.7 km/h

14 Jun 2025

Hottest feels-like

47.9 °C

5 Aug 2025

Coldest feels-like

-2.5 °C

27 Jan 2025

Sunniest day

13.9 h

27 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 Yanwo?

Yanwo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,301 mm of precipitation per year.

What is the hottest day ever recorded in Yanwo?

The hottest day measured in Yanwo between 1940 and 2025 was 17 August 2011, reaching 44.3 °C.

What is the coldest day in Yanwo?

The coldest day measured in Yanwo between 1940 and 2025 was 11 January 1956, at -9.4 °C.

Does it snow in Yanwo?

Yes. Yanwo gets on average 2.2 cm of snow per year and has around 2 frost days.

Has the climate of Yanwo warmed?

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

What is the wettest day in Yanwo?

The wettest day measured in Yanwo between 1940 and 2025 was 10 July 1952, with 181 mm of rain in 24 hours.

What was the windiest day in Yanwo?

The windiest day measured in Yanwo between 1940 and 2025 was 24 May 1946, with winds reaching 73.3 km/h.

What is the warmest month in Yanwo?

The warmest month in Yanwo is August (28.3 °C on average); the coldest is January (7.8 °C).

How much does it rain in Yanwo?

Yanwo receives on average 1,301 mm of precipitation per year, spread over about 157 rainy days.

Is it sunny in Yanwo?

Yanwo gets on average 6.3 hours of sunshine per day, roughly 2,300 hours per year over 1940-2025.

What is the biggest single-day snowfall in Yanwo?

The heaviest 24-hour snowfall measured in Yanwo between 1940 and 2025 was 30 January 1980, with 9.9 cm.

Are there tropical nights in Yanwo?

Yes: Yanwo has on average 119 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Yanwo?

In Yanwo, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 5 August 2025, and the lowest was -13.9 °C on 11 January 1956.

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