Zigong climate — normals and trends

Q: What is the climate of Zigong?

Zigong has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,171 mm of precipitation per year.

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

The hottest day measured in Zigong between 1940 and 2025 was 21 August 2022, reaching 44.2 °C.

Q: What is the coldest day in Zigong?

The coldest day measured in Zigong between 1940 and 2025 was 31 January 1980, at -5.0 °C.

Q: Does it snow in Zigong?

Almost never: Zigong sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Zigong warmed?

Yes: Zigong warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Zigong?

The wettest day measured in Zigong between 1940 and 2025 was 27 August 1946, with 216 mm of rain in 24 hours.

Q: What was the windiest day in Zigong?

The windiest day measured in Zigong between 1940 and 2025 was 13 May 1946, with winds reaching 64.1 km/h.

Q: What is the warmest month in Zigong?

The warmest month in Zigong is July (27.4 °C on average); the coldest is January (7.9 °C).

Q: How much does it rain in Zigong?

Zigong receives on average 1,171 mm of precipitation per year, spread over about 162 rainy days.

Q: Is it sunny in Zigong?

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

Zigong (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 18.2 °C and it receives 1,171 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 (27.4 °C on average) and the coldest is January (7.9 °C). Rainfall peaks in July.

Zigong averages 1 frost days, 68 hot days (≥ 30 °C) and 162 rainy days per year.

Zigong has warmed by +1.3 °C between 1940 and 2025, or +0.16 °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 44.2 °C (on 21 August 2022) and the coldest -5.0 °C (on 31 January 1980).

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

ZigongSichuan

coords: 29.34°, 104.78°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.2°C

Average daily high

21.6°C

Average daily low

15.3°C

Annual rainfall

1,171mm

Sunshine / day

6.4h

Mean relative humidity

78%

Average peak wind

10.1km/h

Seasonal range

19.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

68 d/yr

Rainy days (≥ 1 mm)

162 d/yr

Annual snowfall

0.9 cm

Average feels-like high

22.9 °C

Average feels-like low

16.0 °C

Average peak gust

21.3 km/h

Tropical nights (≥ 20 °C)

121 d/yr

Solar radiation

11.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.34 · 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

44.2 °C

21 August 2022

Coldest day

-5.0 °C

31 January 1980

Wettest day

216 mm

27 August 1946

Windiest day

64.1 km/h

13 May 1946

Strongest gust

74.2 km/h

26 June 1946

Hottest feels-like

47.9 °C

24 August 2022

Coldest feels-like

-8.8 °C

31 January 1980

Snowiest day

4.3 cm

29 January 1977

Sunniest day

13.9 h

18 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.6 °C17 June 2025	1.7 °C12 January 2025	19.6 °C	1,357 mm	108	0
2024	41.9 °C28 August 2024	2.2 °C22 January 2024	20.1 °C	1,160 mm	115	0
2023	41.2 °C23 July 2023	0.3 °C19 January 2023	19.9 °C	987 mm	105	0
2022	44.2 °C21 August 2022	1.7 °C23 February 2022	19.8 °C	914 mm	95	0
2021	39.9 °C3 August 2021	-1.7 °C12 January 2021	18.8 °C	1,039 mm	79	3
2020	39.4 °C19 May 2020	2.3 °C21 December 2020	18.8 °C	1,061 mm	86	0
2019	37.8 °C26 August 2019	3.5 °C16 January 2019	18.6 °C	951 mm	69	0
2018	37.5 °C20 July 2018	-0.2 °C10 January 2018	18.6 °C	1,170 mm	82	2
2017	40.2 °C27 July 2017	2.4 °C22 December 2017	19.1 °C	830 mm	86	0
2016	38.8 °C25 August 2016	-0.6 °C25 January 2016	19.0 °C	1,244 mm	85	1
2015	37.0 °C2 August 2015	2.4 °C17 December 2015	19.4 °C	960 mm	81	0
2014	37.1 °C26 July 2014	2.1 °C19 December 2014	18.3 °C	1,122 mm	50	0
2013	39.0 °C17 June 2013	-0.2 °C1 January 2013	19.6 °C	1,110 mm	95	1
2012	37.8 °C12 August 2012	-0.8 °C31 December 2012	17.9 °C	1,114 mm	62	1
2011	41.3 °C18 August 2011	0.3 °C12 January 2011	18.9 °C	702 mm	102	0
2010	37.9 °C30 July 2010	0.8 °C16 December 2010	18.6 °C	1,006 mm	75	0
2009	39.2 °C6 June 2009	2.4 °C27 January 2009	19.4 °C	866 mm	95	0
2008	38.3 °C23 July 2008	-0.8 °C2 February 2008	18.6 °C	994 mm	77	2
2007	38.0 °C29 May 2007	1.7 °C19 January 2007	19.3 °C	1,226 mm	91	0
2006	41.3 °C12 August 2006	-0.3 °C9 January 2006	19.5 °C	993 mm	96	1
2005	35.2 °C29 June 2005	-1.0 °C2 January 2005	18.3 °C	1,203 mm	78	1
2004	35.1 °C11 July 2004	0.9 °C31 December 2004	18.3 °C	1,198 mm	60	0
2003	36.6 °C31 July 2003	2.3 °C10 January 2003	18.7 °C	1,135 mm	63	0
2002	38.2 °C16 July 2002	1.9 °C28 December 2002	18.9 °C	961 mm	66	0
2001	36.3 °C14 July 2001	1.0 °C22 December 2001	18.7 °C	1,158 mm	57	0
2000	36.9 °C25 July 2000	2.7 °C13 December 2000	18.2 °C	1,423 mm	63	0
1999	35.6 °C31 July 1999	1.1 °C26 December 1999	18.5 °C	1,363 mm	53	0
1998	35.7 °C28 April 1998	0.6 °C23 January 1998	19.3 °C	1,186 mm	82	0
1997	37.0 °C11 August 1997	1.4 °C24 January 1997	18.4 °C	1,045 mm	75	0
1996	36.6 °C4 August 1996	0.2 °C24 February 1996	17.5 °C	1,290 mm	63	0
1995	37.6 °C6 September 1995	1.8 °C24 January 1995	18.2 °C	1,139 mm	77	0
1994	38.8 °C5 August 1994	1.2 °C23 January 1994	18.6 °C	1,041 mm	88	0
1993	37.0 °C25 June 1993	-1.1 °C24 January 1993	17.9 °C	922 mm	51	1
1992	36.8 °C11 August 1992	1.1 °C3 January 1992	17.7 °C	929 mm	60	0
1991	36.1 °C25 July 1991	-0.5 °C28 December 1991	17.9 °C	1,082 mm	61	1
1990	36.3 °C10 August 1990	2.9 °C2 January 1990	18.2 °C	1,086 mm	72	0
1989	35.8 °C22 July 1989	-0.5 °C14 January 1989	17.4 °C	1,240 mm	49	1
1988	37.5 °C3 May 1988	1.6 °C18 January 1988	17.6 °C	1,031 mm	59	0
1987	34.6 °C3 June 1987	2.0 °C27 January 1987	18.2 °C	1,156 mm	50	0
1986	36.4 °C11 August 1986	1.1 °C3 March 1986	17.4 °C	1,077 mm	63	0
1985	36.4 °C5 August 1985	1.3 °C15 December 1985	17.4 °C	1,364 mm	50	0
1984	35.2 °C9 August 1984	0.7 °C21 January 1984	17.4 °C	1,314 mm	58	0
1983	35.4 °C25 July 1983	1.8 °C24 January 1983	17.9 °C	1,141 mm	49	0
1982	35.0 °C2 August 1982	0.1 °C27 December 1982	17.5 °C	1,200 mm	52	0
1981	36.0 °C6 August 1981	1.8 °C27 January 1981	17.8 °C	1,160 mm	60	0
1980	36.9 °C24 July 1980	-5.0 °C31 January 1980	17.9 °C	911 mm	57	4
1979	35.5 °C11 July 1979	-0.8 °C19 November 1979	18.3 °C	1,251 mm	58	1
1978	37.3 °C11 July 1978	1.2 °C21 January 1978	18.4 °C	1,058 mm	80	0
1977	37.0 °C5 August 1977	-2.6 °C30 January 1977	18.0 °C	1,042 mm	70	4
1976	36.6 °C1 August 1976	-0.2 °C2 January 1976	17.2 °C	982 mm	52	1
1975	36.7 °C16 July 1975	-3.5 °C14 December 1975	18.1 °C	1,292 mm	65	6
1974	35.3 °C20 July 1974	1.1 °C11 February 1974	17.9 °C	1,109 mm	51	0
1973	36.5 °C26 August 1973	1.4 °C2 January 1973	18.7 °C	1,318 mm	70	0
1972	40.0 °C26 August 1972	1.0 °C6 February 1972	18.4 °C	981 mm	78	0
1971	37.1 °C26 July 1971	2.9 °C31 January 1971	18.3 °C	1,021 mm	73	0
1970	36.5 °C4 July 1970	-0.5 °C7 January 1970	17.7 °C	1,012 mm	68	1
1969	37.9 °C31 May 1969	0.9 °C4 February 1969	18.4 °C	1,132 mm	87	0
1968	35.3 °C31 July 1968	0.6 °C14 February 1968	17.4 °C	1,437 mm	49	0
1967	36.4 °C1 August 1967	-0.6 °C6 January 1967	17.4 °C	1,313 mm	67	3
1966	33.5 °C27 July 1966	-0.2 °C29 January 1966	17.8 °C	1,131 mm	55	1
1965	33.1 °C28 July 1965	0.4 °C20 December 1965	17.5 °C	1,427 mm	38	0
1964	35.3 °C8 August 1964	1.6 °C27 January 1964	17.9 °C	1,379 mm	53	0
1963	39.8 °C4 June 1963	0.3 °C5 January 1963	19.0 °C	1,145 mm	92	0
1962	36.5 °C14 July 1962	-0.7 °C30 December 1962	18.1 °C	1,160 mm	69	2
1961	36.6 °C21 July 1961	-0.1 °C16 January 1961	18.5 °C	1,308 mm	92	1
1960	38.5 °C10 June 1960	0.2 °C2 January 1960	18.5 °C	1,227 mm	77	0
1959	38.5 °C13 July 1959	1.1 °C13 January 1959	18.5 °C	1,009 mm	88	0
1958	37.2 °C24 July 1958	0.0 °C1 February 1958	18.4 °C	1,094 mm	72	0
1957	37.1 °C31 August 1957	0.1 °C13 February 1957	17.8 °C	1,139 mm	48	0
1956	34.6 °C4 August 1956	-2.5 °C11 January 1956	17.8 °C	1,405 mm	61	4
1955	32.4 °C15 August 1955	-2.1 °C6 January 1955	17.9 °C	1,336 mm	44	6
1954	33.4 °C2 September 1954	0.0 °C31 December 1954	17.9 °C	1,527 mm	52	0
1953	34.3 °C13 August 1953	1.4 °C27 January 1953	18.7 °C	1,270 mm	71	0
1952	34.3 °C4 July 1952	0.4 °C7 January 1952	18.3 °C	1,378 mm	50	0
1951	33.3 °C5 August 1951	-0.5 °C24 January 1951	17.9 °C	1,306 mm	59	1
1950	33.8 °C23 July 1950	0.9 °C17 December 1950	17.8 °C	1,429 mm	39	0
1949	34.2 °C9 July 1949	-1.3 °C8 January 1949	18.1 °C	1,304 mm	65	1
1948	32.5 °C2 July 1948	-0.9 °C29 January 1948	18.1 °C	1,193 mm	53	3
1947	33.4 °C6 July 1947	-0.7 °C20 December 1947	18.3 °C	1,333 mm	60	2
1946	38.0 °C20 July 1946	-0.6 °C6 January 1946	18.3 °C	1,912 mm	87	2
1945	34.1 °C6 June 1945	-4.5 °C11 February 1945	17.0 °C	1,198 mm	38	13
1944	35.4 °C4 August 1944	-3.2 °C19 December 1944	17.2 °C	1,429 mm	56	6
1943	33.7 °C4 August 1943	-1.0 °C8 February 1943	17.9 °C	1,417 mm	28	1
1942	32.3 °C3 July 1942	-0.7 °C8 January 1942	18.2 °C	1,614 mm	46	1
1941	34.1 °C11 July 1941	0.6 °C30 January 1941	18.0 °C	1,050 mm	50	0
1940	34.5 °C30 June 1940	-1.6 °C24 January 1940	17.7 °C	1,044 mm	57	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

23.4 °C

+1.8 °C

Hot days (≥ 30 °C)

108 d/yr

+40

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1357 mm

+186 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.4 °C	+1.7 °C	38 mm	+14 mm
Feb	11.9 °C	-0.9 °C	57 mm	+29 mm
Mar	17.4 °C	-0.6 °C	40 mm	-1 mm
Apr	26.3 °C	+3.0 °C	58 mm	-12 mm
May	29.2 °C	+2.3 °C	78 mm	-25 mm
Jun	32.9 °C	+4.0 °C	192 mm	+39 mm
Jul	34.4 °C	+3.2 °C	266 mm	+18 mm
Aug	33.8 °C	+2.7 °C	251 mm	+16 mm
Sep	28.1 °C	+1.4 °C	237 mm	+106 mm
Oct	23.0 °C	+1.6 °C	88 mm	+18 mm
Nov	16.8 °C	-0.1 °C	39 mm	-5 mm
Dec	13.8 °C	+2.0 °C	16 mm	-11 mm

The year's extremes

Hottest day

41.6 °C

17 Jun 2025

Coldest day

1.7 °C

12 Jan 2025

Wettest day

76.4 mm

30 Jun 2025

Windiest day

28.9 km/h

28 Mar 2025

Strongest gust

55.1 km/h

12 Apr 2025

Hottest feels-like

47.3 °C

17 Jul 2025

Coldest feels-like

-1.3 °C

27 Jan 2025

Sunniest day

13.9 h

11 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 Zigong?

Zigong has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,171 mm of precipitation per year.

What is the hottest day ever recorded in Zigong?

The hottest day measured in Zigong between 1940 and 2025 was 21 August 2022, reaching 44.2 °C.

What is the coldest day in Zigong?

The coldest day measured in Zigong between 1940 and 2025 was 31 January 1980, at -5.0 °C.

Does it snow in Zigong?

Almost never: Zigong sees virtually no snow, with about 1 frost days per year.

Has the climate of Zigong warmed?

Yes: Zigong warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Zigong?

The wettest day measured in Zigong between 1940 and 2025 was 27 August 1946, with 216 mm of rain in 24 hours.

What was the windiest day in Zigong?

The windiest day measured in Zigong between 1940 and 2025 was 13 May 1946, with winds reaching 64.1 km/h.

What is the warmest month in Zigong?

The warmest month in Zigong is July (27.4 °C on average); the coldest is January (7.9 °C).

How much does it rain in Zigong?

Zigong receives on average 1,171 mm of precipitation per year, spread over about 162 rainy days.

Is it sunny in Zigong?

Zigong 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 Zigong?

The heaviest 24-hour snowfall measured in Zigong between 1940 and 2025 was 29 January 1977, with 4.3 cm.

Are there tropical nights in Zigong?

Yes: Zigong has on average 121 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Zigong?

In Zigong, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 24 August 2022, and the lowest was -8.8 °C on 31 January 1980.

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