Nanchong climate — normals and trends

Q: What is the climate of Nanchong?

Nanchong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 1,314 mm of precipitation per year.

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

The hottest day measured in Nanchong between 1940 and 2025 was 23 August 2022, reaching 43.0 °C.

Q: What is the coldest day in Nanchong?

The coldest day measured in Nanchong between 1940 and 2025 was 4 December 1944, at -6.5 °C.

Q: Does it snow in Nanchong?

Yes. Nanchong gets on average 3.6 cm of snow per year and has around 3 frost days.

Q: Has the climate of Nanchong warmed?

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

Q: What is the wettest day in Nanchong?

The wettest day measured in Nanchong between 1940 and 2025 was 10 July 1952, with 230 mm of rain in 24 hours.

Q: What was the windiest day in Nanchong?

The windiest day measured in Nanchong between 1940 and 2025 was 24 May 1946, with winds reaching 72.0 km/h.

Q: What is the warmest month in Nanchong?

The warmest month in Nanchong is July (27.8 °C on average); the coldest is January (7.2 °C).

Q: How much does it rain in Nanchong?

Nanchong receives on average 1,314 mm of precipitation per year, spread over about 151 rainy days.

Q: Is it sunny in Nanchong?

Nanchong gets on average 6.5 hours of sunshine per day, roughly 2,373 hours per year over 1940-2025.

Nanchong (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 1,314 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 (27.8 °C on average) and the coldest is January (7.2 °C). Rainfall peaks in July.

Nanchong averages 3 frost days, 68 hot days (≥ 30 °C) and 151 rainy days per year.

Nanchong 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 7 to 0 per year over the period.

The hottest day of the period reached 43.0 °C (on 23 August 2022) and the coldest -6.5 °C (on 4 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

NanchongSichuan

coords: 30.80°, 106.08°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

17.9°C

Average daily high

21.3°C

Average daily low

14.8°C

Annual rainfall

1,314mm

Sunshine / day

6.5h

Mean relative humidity

78%

Average peak wind

11.5km/h

Seasonal range

20.6°C

Frost days (< 0 °C)

3 d/yr

Hot days (≥ 30 °C)

68 d/yr

Rainy days (≥ 1 mm)

151 d/yr

Annual snowfall

3.6 cm

Average feels-like high

22.4 °C

Average feels-like low

15.1 °C

Average peak gust

23.8 km/h

Tropical nights (≥ 20 °C)

114 d/yr

Solar radiation

11.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.32 · 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

43.0 °C

23 August 2022

Coldest day

-6.5 °C

4 December 1944

Wettest day

230 mm

10 July 1952

Windiest day

72.0 km/h

24 May 1946

Strongest gust

85.0 km/h

12 April 1979

Hottest feels-like

47.6 °C

23 July 1961

Coldest feels-like

-10.4 °C

4 December 1944

Snowiest day

8.4 cm

26 December 1976

Sunniest day

14.0 h

19 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	42.6 °C3 August 2025	0.4 °C27 January 2025	19.6 °C	1,521 mm	112	0
2024	41.8 °C4 September 2024	1.3 °C25 January 2024	19.7 °C	1,021 mm	107	0
2023	37.5 °C10 August 2023	-0.4 °C19 January 2023	18.8 °C	1,317 mm	89	2
2022	43.0 °C23 August 2022	0.3 °C19 December 2022	19.3 °C	1,111 mm	91	0
2021	40.2 °C3 August 2021	-2.3 °C12 January 2021	18.3 °C	1,209 mm	72	3
2020	37.5 °C10 August 2020	0.3 °C21 December 2020	18.3 °C	1,337 mm	77	0
2019	37.7 °C17 August 2019	2.6 °C5 January 2019	18.2 °C	1,317 mm	60	0
2018	38.4 °C20 July 2018	-1.8 °C9 January 2018	18.4 °C	1,144 mm	86	5
2017	40.9 °C28 July 2017	1.4 °C22 December 2017	18.4 °C	1,062 mm	74	0
2016	39.8 °C24 August 2016	-2.6 °C25 January 2016	18.7 °C	1,070 mm	89	3
2015	36.6 °C2 August 2015	1.1 °C17 December 2015	18.8 °C	1,203 mm	79	0
2014	40.1 °C6 August 2014	0.4 °C11 February 2014	18.1 °C	1,158 mm	52	0
2013	40.4 °C23 August 2013	-1.9 °C1 January 2013	19.1 °C	1,012 mm	99	2
2012	38.0 °C12 August 2012	0.1 °C31 December 2012	17.7 °C	1,246 mm	62	0
2011	41.2 °C17 August 2011	-1.4 °C12 January 2011	18.0 °C	1,106 mm	89	4
2010	39.3 °C11 August 2010	-1.4 °C16 December 2010	17.9 °C	1,033 mm	67	2
2009	37.2 °C19 July 2009	1.7 °C14 January 2009	18.3 °C	1,012 mm	74	0
2008	35.3 °C31 July 2008	-0.9 °C29 January 2008	17.8 °C	1,132 mm	72	4
2007	37.6 °C22 August 2007	1.3 °C19 January 2007	18.6 °C	1,167 mm	84	0
2006	40.9 °C15 August 2006	0.4 °C9 January 2006	18.9 °C	981 mm	88	0
2005	35.4 °C19 July 2005	-1.2 °C3 January 2005	17.9 °C	1,370 mm	74	3
2004	37.7 °C11 August 2004	-1.2 °C31 December 2004	18.0 °C	1,169 mm	65	1
2003	37.3 °C1 August 2003	0.8 °C26 December 2003	18.2 °C	1,316 mm	56	0
2002	37.3 °C13 July 2002	0.9 °C28 December 2002	18.4 °C	1,357 mm	67	0
2001	38.4 °C6 August 2001	-0.3 °C23 December 2001	18.3 °C	1,142 mm	64	2
2000	37.9 °C27 July 2000	0.6 °C1 February 2000	17.9 °C	1,544 mm	68	0
1999	36.1 °C1 August 1999	-0.5 °C23 December 1999	18.1 °C	1,659 mm	64	1
1998	35.4 °C19 July 1998	0.6 °C20 January 1998	18.7 °C	1,621 mm	74	0
1997	39.3 °C29 August 1997	0.3 °C24 January 1997	18.2 °C	922 mm	81	0
1996	37.0 °C23 August 1996	-0.6 °C22 February 1996	17.2 °C	1,345 mm	76	1
1995	38.9 °C7 September 1995	0.7 °C6 January 1995	17.9 °C	1,286 mm	72	0
1994	40.4 °C5 August 1994	-2.0 °C18 January 1994	18.3 °C	1,265 mm	82	3
1993	34.9 °C14 July 1993	-3.1 °C24 January 1993	17.3 °C	1,525 mm	49	5
1992	37.8 °C9 August 1992	-0.3 °C16 January 1992	17.3 °C	1,285 mm	63	2
1991	36.7 °C25 July 1991	-3.2 °C28 December 1991	17.6 °C	1,256 mm	64	2
1990	37.3 °C7 August 1990	1.9 °C2 January 1990	18.1 °C	1,221 mm	79	0
1989	37.1 °C22 July 1989	-0.9 °C14 January 1989	17.2 °C	1,349 mm	50	1
1988	36.2 °C3 May 1988	1.0 °C18 January 1988	17.5 °C	1,291 mm	58	0
1987	34.9 °C25 July 1987	0.5 °C6 December 1987	17.8 °C	1,446 mm	44	0
1986	36.9 °C11 August 1986	0.4 °C2 March 1986	17.1 °C	1,411 mm	59	0
1985	37.3 °C4 August 1985	-0.4 °C15 December 1985	17.3 °C	1,545 mm	61	3
1984	36.1 °C10 August 1984	-0.8 °C21 January 1984	17.2 °C	1,328 mm	63	5
1983	34.9 °C25 July 1983	-0.6 °C21 January 1983	17.6 °C	1,336 mm	46	1
1982	36.0 °C3 August 1982	-2.2 °C26 December 1982	17.2 °C	1,352 mm	47	3
1981	36.4 °C6 August 1981	0.5 °C23 December 1981	17.5 °C	1,197 mm	63	0
1980	36.1 °C28 July 1980	-1.0 °C9 February 1980	17.7 °C	1,393 mm	54	2
1979	36.4 °C9 August 1979	-4.0 °C23 November 1979	17.9 °C	1,297 mm	64	5
1978	38.2 °C4 September 1978	-0.4 °C18 January 1978	18.3 °C	1,068 mm	82	2
1977	37.6 °C8 August 1977	-2.9 °C1 January 1977	17.9 °C	1,061 mm	75	6
1976	38.3 °C7 August 1976	-6.2 °C29 December 1976	17.2 °C	988 mm	55	7
1975	36.5 °C19 August 1975	-2.0 °C15 December 1975	17.9 °C	1,410 mm	73	10
1974	36.3 °C30 July 1974	-0.4 °C25 February 1974	17.5 °C	1,532 mm	46	1
1973	36.5 °C26 August 1973	0.6 °C2 January 1973	18.4 °C	1,276 mm	75	0
1972	39.6 °C26 August 1972	-1.2 °C6 February 1972	18.0 °C	1,189 mm	75	1
1971	37.8 °C1 September 1971	-0.2 °C31 January 1971	17.9 °C	1,033 mm	69	1
1970	37.8 °C18 August 1970	-4.6 °C7 January 1970	17.6 °C	1,068 mm	75	7
1969	37.5 °C29 July 1969	-5.8 °C31 January 1969	18.0 °C	1,281 mm	80	7
1968	35.7 °C31 July 1968	-0.5 °C10 February 1968	17.1 °C	1,584 mm	48	1
1967	38.4 °C30 August 1967	-2.3 °C12 January 1967	17.4 °C	1,472 mm	73	11
1966	34.1 °C22 June 1966	-2.1 °C29 December 1966	17.3 °C	1,141 mm	54	4
1965	33.5 °C29 July 1965	-2.7 °C19 December 1965	16.9 °C	1,643 mm	32	6
1964	36.4 °C9 July 1964	-0.2 °C28 January 1964	17.7 °C	1,987 mm	59	1
1963	36.9 °C4 June 1963	-2.5 °C14 January 1963	18.2 °C	1,608 mm	65	7
1962	37.1 °C16 July 1962	-1.0 °C27 January 1962	17.9 °C	1,406 mm	74	2
1961	37.7 °C23 July 1961	-1.6 °C16 January 1961	18.2 °C	1,606 mm	89	3
1960	36.4 °C10 June 1960	-1.4 °C25 January 1960	18.1 °C	1,555 mm	72	4
1959	39.4 °C23 August 1959	-1.2 °C13 January 1959	18.5 °C	1,003 mm	94	2
1958	36.8 °C24 July 1958	0.2 °C1 February 1958	18.1 °C	1,294 mm	71	0
1957	37.9 °C30 August 1957	-1.9 °C17 January 1957	17.9 °C	1,164 mm	55	2
1956	34.0 °C4 August 1956	-6.5 °C9 January 1956	17.3 °C	1,512 mm	54	14
1955	32.6 °C8 August 1955	-6.2 °C5 January 1955	17.3 °C	1,468 mm	39	20
1954	33.8 °C3 September 1954	-3.1 °C31 December 1954	17.3 °C	1,767 mm	55	12
1953	35.3 °C14 August 1953	0.8 °C19 January 1953	18.0 °C	1,523 mm	66	0
1952	34.7 °C4 July 1952	-2.0 °C7 January 1952	17.7 °C	2,117 mm	55	5
1951	33.2 °C31 May 1951	-2.8 °C14 January 1951	17.4 °C	1,548 mm	67	3
1950	34.0 °C23 July 1950	-0.9 °C17 December 1950	17.3 °C	1,647 mm	44	3
1949	33.3 °C8 July 1949	-3.2 °C8 January 1949	17.7 °C	1,379 mm	69	5
1948	33.3 °C13 August 1948	-3.7 °C26 January 1948	17.6 °C	1,396 mm	58	8
1947	33.1 °C6 July 1947	-2.9 °C20 December 1947	18.0 °C	1,194 mm	76	6
1946	36.0 °C20 July 1946	-1.5 °C9 January 1946	18.1 °C	1,192 mm	83	4
1945	33.4 °C5 June 1945	-4.5 °C12 February 1945	16.7 °C	1,298 mm	43	20
1944	34.6 °C29 July 1944	-6.5 °C4 December 1944	17.3 °C	1,031 mm	84	14
1943	32.4 °C29 June 1943	-0.5 °C3 February 1943	17.6 °C	1,691 mm	38	3
1942	33.5 °C8 August 1942	-1.4 °C9 January 1942	18.0 °C	1,232 mm	52	6
1941	34.1 °C12 July 1941	-1.9 °C29 January 1941	17.7 °C	1,140 mm	61	2
1940	34.6 °C14 July 1940	-3.5 °C23 January 1940	17.5 °C	1,070 mm	62	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

23.5 °C

+2.2 °C

Hot days (≥ 30 °C)

112 d/yr

+44

Frost days (< 0 °C)

0 d/yr

-3

Annual rainfall

1521 mm

+207 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.8 °C	+1.7 °C	43 mm	+15 mm
Feb	12.2 °C	-0.1 °C	41 mm	+10 mm
Mar	17.2 °C	-0.1 °C	60 mm	+1 mm
Apr	26.6 °C	+4.1 °C	35 mm	-64 mm
May	29.9 °C	+3.8 °C	75 mm	-61 mm
Jun	32.4 °C	+3.8 °C	184 mm	+20 mm
Jul	35.6 °C	+4.1 °C	162 mm	-70 mm
Aug	35.2 °C	+3.5 °C	215 mm	+15 mm
Sep	27.5 °C	+0.8 °C	460 mm	+292 mm
Oct	22.5 °C	+1.4 °C	199 mm	+98 mm
Nov	16.8 °C	+0.5 °C	27 mm	-34 mm
Dec	13.2 °C	+1.9 °C	20 mm	-14 mm

The year's extremes

Hottest day

42.6 °C

3 Aug 2025

Coldest day

0.4 °C

27 Jan 2025

Wettest day

96.7 mm

30 Jun 2025

Windiest day

39.1 km/h

27 Mar 2025

Strongest gust

72.7 km/h

27 Mar 2025

Hottest feels-like

46.5 °C

5 Aug 2025

Coldest feels-like

-3.2 °C

27 Jan 2025

Sunniest day

14.0 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 Nanchong?

Nanchong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 1,314 mm of precipitation per year.

What is the hottest day ever recorded in Nanchong?

The hottest day measured in Nanchong between 1940 and 2025 was 23 August 2022, reaching 43.0 °C.

What is the coldest day in Nanchong?

The coldest day measured in Nanchong between 1940 and 2025 was 4 December 1944, at -6.5 °C.

Does it snow in Nanchong?

Yes. Nanchong gets on average 3.6 cm of snow per year and has around 3 frost days.

Has the climate of Nanchong warmed?

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

What is the wettest day in Nanchong?

The wettest day measured in Nanchong between 1940 and 2025 was 10 July 1952, with 230 mm of rain in 24 hours.

What was the windiest day in Nanchong?

The windiest day measured in Nanchong between 1940 and 2025 was 24 May 1946, with winds reaching 72.0 km/h.

What is the warmest month in Nanchong?

The warmest month in Nanchong is July (27.8 °C on average); the coldest is January (7.2 °C).

How much does it rain in Nanchong?

Nanchong receives on average 1,314 mm of precipitation per year, spread over about 151 rainy days.

Is it sunny in Nanchong?

Nanchong gets on average 6.5 hours of sunshine per day, roughly 2,373 hours per year over 1940-2025.

What is the biggest single-day snowfall in Nanchong?

The heaviest 24-hour snowfall measured in Nanchong between 1940 and 2025 was 26 December 1976, with 8.4 cm.

Are there tropical nights in Nanchong?

Yes: Nanchong has on average 114 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nanchong?

In Nanchong, between 1940 and 2025, the highest apparent temperature reached 47.6 °C on 23 July 1961, and the lowest was -10.4 °C on 4 December 1944.

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