Hejiang climate — normals and trends

Q: What is the climate of Hejiang?

Hejiang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 1,308 mm of precipitation per year.

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

The hottest day measured in Hejiang between 1940 and 2025 was 24 August 2022, reaching 41.6 °C.

Q: What is the coldest day in Hejiang?

The coldest day measured in Hejiang between 1940 and 2025 was 16 December 1975, at -5.7 °C.

Q: Does it snow in Hejiang?

Yes. Hejiang gets on average 3.3 cm of snow per year and has around 1 frost days.

Q: Has the climate of Hejiang warmed?

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

Q: What is the wettest day in Hejiang?

The wettest day measured in Hejiang between 1940 and 2025 was 19 July 1984, with 127 mm of rain in 24 hours.

Q: What was the windiest day in Hejiang?

The windiest day measured in Hejiang between 1940 and 2025 was 29 May 1946, with winds reaching 51.4 km/h.

Q: What is the warmest month in Hejiang?

The warmest month in Hejiang is July (27.6 °C on average); the coldest is January (7.6 °C).

Q: How much does it rain in Hejiang?

Hejiang receives on average 1,308 mm of precipitation per year, spread over about 186 rainy days.

Q: Is it sunny in Hejiang?

Hejiang gets on average 6.0 hours of sunshine per day, roughly 2,190 hours per year over 1940-2025.

Hejiang (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 1,308 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 (27.6 °C on average) and the coldest is January (7.6 °C). Rainfall peaks in July.

Hejiang averages 1 frost days, 67 hot days (≥ 30 °C) and 186 rainy days per year.

Hejiang 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 3 to 0 per year over the period.

The hottest day of the period reached 41.6 °C (on 24 August 2022) and the coldest -5.7 °C (on 16 December 1975).

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

HejiangSichuan

coords: 28.81°, 105.83°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

17.9°C

Average daily high

21.2°C

Average daily low

15.1°C

Annual rainfall

1,308mm

Sunshine / day

6.0h

Mean relative humidity

80%

Average peak wind

8.4km/h

Seasonal range

20.0°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

67 d/yr

Rainy days (≥ 1 mm)

186 d/yr

Annual snowfall

3.3 cm

Average feels-like high

22.7 °C

Average feels-like low

15.9 °C

Average peak gust

21.8 km/h

Tropical nights (≥ 20 °C)

114 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 = 0.29 · 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

41.6 °C

24 August 2022

Coldest day

-5.7 °C

16 December 1975

Wettest day

127 mm

19 July 1984

Windiest day

51.4 km/h

29 May 1946

Strongest gust

89.6 km/h

14 May 1946

Hottest feels-like

47.0 °C

16 July 2002

Coldest feels-like

-9.7 °C

16 December 1975

Snowiest day

8.0 cm

27 December 1991

Sunniest day

13.8 h

16 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.3 °C3 August 2025	1.8 °C27 January 2025	19.1 °C	1,356 mm	100	0
2024	40.1 °C4 September 2024	2.2 °C24 January 2024	19.5 °C	1,189 mm	95	0
2023	37.3 °C11 July 2023	0.5 °C15 January 2023	19.0 °C	1,288 mm	79	0
2022	41.6 °C24 August 2022	1.6 °C23 February 2022	19.2 °C	995 mm	92	0
2021	40.1 °C3 August 2021	-1.7 °C12 January 2021	18.4 °C	1,146 mm	78	2
2020	37.8 °C5 August 2020	0.6 °C21 December 2020	18.2 °C	1,254 mm	66	0
2019	38.4 °C16 August 2019	2.8 °C22 January 2019	18.3 °C	980 mm	65	0
2018	39.3 °C20 July 2018	0.2 °C9 January 2018	18.4 °C	1,128 mm	81	0
2017	39.6 °C27 July 2017	2.1 °C19 December 2017	18.6 °C	987 mm	76	0
2016	38.5 °C24 August 2016	-0.8 °C25 January 2016	18.6 °C	1,453 mm	77	3
2015	36.6 °C2 August 2015	3.4 °C6 February 2015	18.8 °C	1,197 mm	65	0
2014	37.4 °C30 July 2014	1.0 °C19 December 2014	17.9 °C	1,247 mm	53	0
2013	39.5 °C6 August 2013	1.6 °C1 January 2013	19.2 °C	1,115 mm	105	0
2012	37.8 °C12 August 2012	-1.0 °C31 December 2012	17.5 °C	1,145 mm	57	1
2011	40.2 °C17 August 2011	-0.6 °C21 January 2011	18.2 °C	901 mm	96	1
2010	39.8 °C11 August 2010	1.2 °C15 December 2010	18.1 °C	1,124 mm	70	0
2009	38.4 °C19 July 2009	1.8 °C27 January 2009	18.6 °C	982 mm	83	0
2008	37.2 °C20 August 2008	0.3 °C29 January 2008	18.1 °C	1,097 mm	74	0
2007	36.2 °C8 August 2007	1.6 °C19 January 2007	18.6 °C	1,229 mm	85	0
2006	41.1 °C14 August 2006	-1.1 °C9 January 2006	19.0 °C	1,121 mm	92	1
2005	37.3 °C2 July 2005	0.2 °C2 January 2005	18.1 °C	1,301 mm	75	0
2004	37.1 °C9 August 2004	1.4 °C31 December 2004	17.9 °C	1,486 mm	62	0
2003	37.8 °C25 August 2003	0.5 °C10 January 2003	18.4 °C	1,269 mm	62	0
2002	38.2 °C16 July 2002	1.6 °C28 December 2002	18.5 °C	1,213 mm	65	0
2001	36.9 °C10 July 2001	0.4 °C22 December 2001	18.3 °C	1,166 mm	55	0
2000	37.1 °C26 July 2000	1.1 °C1 February 2000	17.8 °C	1,507 mm	65	0
1999	35.9 °C14 June 1999	-0.6 °C12 January 1999	18.1 °C	1,449 mm	55	1
1998	37.9 °C16 September 1998	0.9 °C23 January 1998	18.7 °C	1,577 mm	72	0
1997	37.5 °C11 August 1997	3.0 °C28 January 1997	18.0 °C	1,280 mm	71	0
1996	37.1 °C4 August 1996	1.5 °C23 February 1996	17.3 °C	1,312 mm	59	0
1995	39.6 °C6 September 1995	0.7 °C5 January 1995	17.9 °C	1,332 mm	72	0
1994	39.6 °C5 August 1994	-2.2 °C23 January 1994	18.2 °C	1,209 mm	82	1
1993	37.1 °C13 July 1993	-0.4 °C24 January 1993	17.6 °C	1,159 mm	50	1
1992	39.0 °C11 August 1992	-1.0 °C14 January 1992	17.6 °C	1,089 mm	65	1
1991	36.9 °C28 July 1991	-1.7 °C28 December 1991	17.7 °C	1,174 mm	65	2
1990	37.5 °C11 August 1990	2.1 °C31 January 1990	18.2 °C	1,195 mm	78	0
1989	37.2 °C21 July 1989	-3.2 °C14 January 1989	17.3 °C	1,357 mm	60	2
1988	37.6 °C2 May 1988	1.7 °C18 January 1988	17.5 °C	1,228 mm	63	0
1987	35.6 °C23 May 1987	1.7 °C27 January 1987	18.0 °C	1,337 mm	56	0
1986	37.5 °C7 August 1986	-0.7 °C3 March 1986	17.3 °C	1,371 mm	60	1
1985	37.1 °C5 August 1985	2.0 °C18 January 1985	17.4 °C	1,423 mm	56	0
1984	38.2 °C5 June 1984	0.9 °C13 January 1984	17.3 °C	1,417 mm	62	0
1983	36.3 °C25 July 1983	1.0 °C31 December 1983	17.7 °C	1,657 mm	54	0
1982	37.2 °C3 August 1982	-3.2 °C27 December 1982	17.3 °C	1,537 mm	56	3
1981	38.9 °C19 August 1981	1.8 °C23 December 1981	17.7 °C	1,143 mm	72	0
1980	38.0 °C27 July 1980	-3.1 °C31 January 1980	17.7 °C	1,213 mm	57	6
1979	36.5 °C11 July 1979	-0.5 °C1 February 1979	17.9 °C	1,552 mm	50	2
1978	38.7 °C11 July 1978	-0.3 °C19 January 1978	18.1 °C	1,099 mm	80	2
1977	38.0 °C7 August 1977	-2.2 °C11 February 1977	17.6 °C	1,373 mm	65	7
1976	38.1 °C7 August 1976	-0.3 °C30 December 1976	17.1 °C	1,107 mm	55	1
1975	37.5 °C16 July 1975	-5.7 °C16 December 1975	17.9 °C	1,502 mm	67	6
1974	38.2 °C30 July 1974	1.2 °C8 February 1974	17.6 °C	1,443 mm	50	0
1973	36.2 °C20 August 1973	1.8 °C31 December 1973	18.4 °C	1,284 mm	75	0
1972	39.5 °C26 August 1972	1.1 °C7 February 1972	17.9 °C	1,261 mm	74	0
1971	37.2 °C6 July 1971	1.5 °C8 January 1971	18.1 °C	1,240 mm	65	0
1970	37.9 °C18 August 1970	-0.1 °C7 January 1970	17.5 °C	1,341 mm	68	1
1969	37.3 °C26 July 1969	-0.9 °C16 January 1969	18.0 °C	1,270 mm	79	1
1968	35.9 °C31 July 1968	-1.5 °C14 February 1968	17.3 °C	1,683 mm	50	1
1967	37.9 °C17 July 1967	-3.9 °C12 January 1967	17.3 °C	1,639 mm	67	2
1966	35.8 °C3 August 1966	0.4 °C29 January 1966	17.6 °C	1,339 mm	57	0
1965	34.9 °C12 July 1965	0.0 °C31 December 1965	17.3 °C	1,375 mm	38	0
1964	39.0 °C12 July 1964	-0.1 °C26 February 1964	17.9 °C	1,369 mm	61	1
1963	37.6 °C26 July 1963	-0.3 °C5 January 1963	18.7 °C	1,228 mm	83	1
1962	38.8 °C18 July 1962	-1.2 °C3 January 1962	17.8 °C	1,365 mm	64	2
1961	38.0 °C22 August 1961	-1.4 °C16 January 1961	18.2 °C	1,353 mm	89	1
1960	37.1 °C4 August 1960	-1.1 °C26 January 1960	18.1 °C	1,230 mm	71	1
1959	38.9 °C21 July 1959	0.2 °C13 January 1959	18.3 °C	1,029 mm	84	0
1958	37.4 °C9 July 1958	-0.2 °C19 January 1958	18.2 °C	1,248 mm	82	2
1957	38.0 °C23 July 1957	-2.2 °C13 February 1957	17.6 °C	1,225 mm	48	1
1956	35.2 °C8 June 1956	-1.3 °C9 January 1956	17.6 °C	1,313 mm	73	5
1955	34.9 °C7 July 1955	-5.2 °C6 January 1955	17.7 °C	1,324 mm	64	8
1954	35.5 °C16 July 1954	0.4 °C31 December 1954	17.8 °C	1,650 mm	59	0
1953	36.1 °C17 July 1953	2.0 °C27 January 1953	18.7 °C	1,309 mm	76	0
1952	36.1 °C2 July 1952	1.0 °C19 February 1952	18.2 °C	1,254 mm	59	0
1951	35.3 °C8 September 1951	-1.3 °C14 January 1951	17.8 °C	1,258 mm	63	1
1950	34.3 °C3 July 1950	-0.4 °C17 December 1950	17.4 °C	1,707 mm	37	1
1949	35.2 °C23 August 1949	-2.0 °C9 January 1949	17.9 °C	1,359 mm	61	2
1948	33.7 °C24 September 1948	-1.9 °C9 February 1948	17.9 °C	1,308 mm	58	3
1947	34.0 °C25 July 1947	-3.9 °C20 December 1947	18.0 °C	1,549 mm	66	5
1946	37.4 °C19 July 1946	-0.5 °C7 January 1946	18.4 °C	1,444 mm	94	1
1945	34.2 °C21 July 1945	-3.6 °C17 February 1945	16.7 °C	1,369 mm	42	13
1944	35.4 °C4 August 1944	-4.9 °C19 December 1944	16.9 °C	1,444 mm	64	10
1943	32.7 °C6 September 1943	-4.3 °C8 February 1943	17.4 °C	2,189 mm	25	2
1942	32.9 °C3 August 1942	-1.3 °C8 January 1942	17.8 °C	1,763 mm	34	1
1941	35.1 °C11 July 1941	0.6 °C1 February 1941	17.5 °C	1,353 mm	40	0
1940	35.4 °C16 July 1940	-2.2 °C3 February 1940	17.5 °C	1,058 mm	64	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

22.7 °C

+1.5 °C

Hot days (≥ 30 °C)

100 d/yr

+33

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1356 mm

+48 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.7 °C	+1.7 °C	58 mm	+17 mm
Feb	11.5 °C	-0.7 °C	43 mm	+4 mm
Mar	16.8 °C	-0.6 °C	64 mm	+1 mm
Apr	25.0 °C	+2.5 °C	72 mm	-30 mm
May	27.5 °C	+1.7 °C	148 mm	-2 mm
Jun	30.0 °C	+1.9 °C	134 mm	-46 mm
Jul	33.8 °C	+2.3 °C	278 mm	+81 mm
Aug	34.0 °C	+2.5 °C	145 mm	-37 mm
Sep	28.9 °C	+2.0 °C	156 mm	+20 mm
Oct	23.5 °C	+2.5 °C	145 mm	+45 mm
Nov	16.3 °C	0.0 °C	72 mm	+2 mm
Dec	12.9 °C	+1.7 °C	40 mm	-7 mm

The year's extremes

Hottest day

39.3 °C

3 Aug 2025

Coldest day

1.8 °C

27 Jan 2025

Wettest day

80.4 mm

9 Jul 2025

Windiest day

22.9 km/h

12 Apr 2025

Strongest gust

49.7 km/h

12 Apr 2025

Hottest feels-like

46.3 °C

16 Jul 2025

Coldest feels-like

-1.1 °C

27 Jan 2025

Sunniest day

13.8 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 Hejiang?

Hejiang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 1,308 mm of precipitation per year.

What is the hottest day ever recorded in Hejiang?

The hottest day measured in Hejiang between 1940 and 2025 was 24 August 2022, reaching 41.6 °C.

What is the coldest day in Hejiang?

The coldest day measured in Hejiang between 1940 and 2025 was 16 December 1975, at -5.7 °C.

Does it snow in Hejiang?

Yes. Hejiang gets on average 3.3 cm of snow per year and has around 1 frost days.

Has the climate of Hejiang warmed?

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

What is the wettest day in Hejiang?

The wettest day measured in Hejiang between 1940 and 2025 was 19 July 1984, with 127 mm of rain in 24 hours.

What was the windiest day in Hejiang?

The windiest day measured in Hejiang between 1940 and 2025 was 29 May 1946, with winds reaching 51.4 km/h.

What is the warmest month in Hejiang?

The warmest month in Hejiang is July (27.6 °C on average); the coldest is January (7.6 °C).

How much does it rain in Hejiang?

Hejiang receives on average 1,308 mm of precipitation per year, spread over about 186 rainy days.

Is it sunny in Hejiang?

Hejiang gets on average 6.0 hours of sunshine per day, roughly 2,190 hours per year over 1940-2025.

What is the biggest single-day snowfall in Hejiang?

The heaviest 24-hour snowfall measured in Hejiang between 1940 and 2025 was 27 December 1991, with 8.0 cm.

Are there tropical nights in Hejiang?

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

What was the most extreme apparent temperature in Hejiang?

In Hejiang, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 16 July 2002, and the lowest was -9.7 °C on 16 December 1975.

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