Hongqiao climate — normals and trends

Q: What is the climate of Hongqiao?

Hongqiao has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 1,535 mm of precipitation per year.

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

The hottest day measured in Hongqiao between 1940 and 2025 was 5 August 2010, reaching 42.1 °C.

Q: What is the coldest day in Hongqiao?

The coldest day measured in Hongqiao between 1940 and 2025 was 29 December 1991, at -14.6 °C.

Q: Does it snow in Hongqiao?

Yes. Hongqiao gets on average 8.5 cm of snow per year and has around 10 frost days.

Q: Has the climate of Hongqiao warmed?

Yes: Hongqiao warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hongqiao?

The wettest day measured in Hongqiao between 1940 and 2025 was 13 June 1994, with 134 mm of rain in 24 hours.

Q: What was the windiest day in Hongqiao?

The windiest day measured in Hongqiao between 1940 and 2025 was 7 June 1946, with winds reaching 38.8 km/h.

Q: What is the warmest month in Hongqiao?

The warmest month in Hongqiao is July (29.7 °C on average); the coldest is January (6.4 °C).

Q: How much does it rain in Hongqiao?

Hongqiao receives on average 1,535 mm of precipitation per year, spread over about 159 rainy days.

Q: Is it sunny in Hongqiao?

Hongqiao gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.

Hongqiao (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.4 °C and it receives 1,535 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 (29.7 °C on average) and the coldest is January (6.4 °C). Rainfall peaks in June.

Hongqiao averages 10 frost days, 100 hot days (≥ 30 °C) and 159 rainy days per year.

Hongqiao has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The number of frost days there went from about 15 to 5 per year over the period.

The hottest day of the period reached 42.1 °C (on 5 August 2010) and the coldest -14.6 °C (on 29 December 1991).

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

HongqiaoHunan

coords: 26.77°, 112.11°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

18.4°C

Average daily high

22.3°C

Average daily low

15.0°C

Annual rainfall

1,535mm

Sunshine / day

7.0h

Mean relative humidity

76%

Average peak wind

12.7km/h

Seasonal range

23.3°C

Frost days (< 0 °C)

10 d/yr

Hot days (≥ 30 °C)

100 d/yr

Rainy days (≥ 1 mm)

159 d/yr

Annual snowfall

8.5 cm

Average feels-like high

23.3 °C

Average feels-like low

15.5 °C

Average peak gust

28.7 km/h

Tropical nights (≥ 20 °C)

132 d/yr

Solar radiation

13.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.20 · 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

42.1 °C

5 August 2010

Coldest day

-14.6 °C

29 December 1991

Wettest day

134 mm

13 June 1994

Windiest day

38.8 km/h

7 June 1946

Strongest gust

85.7 km/h

7 June 1946

Hottest feels-like

46.9 °C

15 July 2002

Coldest feels-like

-18.8 °C

29 December 1991

Snowiest day

17.4 cm

6 January 2003

Sunniest day

13.0 h

1 July 1978

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.9 °C5 September 2025	-2.5 °C9 February 2025	20.2 °C	1,315 mm	134	2
2024	40.0 °C25 July 2024	-2.3 °C23 January 2024	19.5 °C	1,894 mm	109	13
2023	38.9 °C5 August 2023	-2.7 °C25 December 2023	19.8 °C	1,223 mm	108	7
2022	40.6 °C17 August 2022	-1.6 °C18 December 2022	19.5 °C	1,390 mm	121	1
2021	39.1 °C2 August 2021	-2.5 °C12 January 2021	19.7 °C	1,283 mm	127	9
2020	37.9 °C16 August 2020	-1.0 °C31 December 2020	19.0 °C	1,376 mm	106	3
2019	38.7 °C20 August 2019	-0.6 °C1 January 2019	18.8 °C	1,509 mm	112	3
2018	37.3 °C29 July 2018	-4.7 °C31 December 2018	19.0 °C	1,359 mm	106	15
2017	39.1 °C6 August 2017	-1.5 °C21 December 2017	19.2 °C	1,451 mm	106	3
2016	39.9 °C25 July 2016	-2.7 °C25 January 2016	19.0 °C	1,553 mm	105	5
2015	36.7 °C13 July 2015	0.6 °C6 February 2015	18.8 °C	1,840 mm	84	0
2014	38.0 °C22 July 2014	-1.4 °C11 February 2014	19.0 °C	1,407 mm	92	7
2013	40.6 °C13 August 2013	-2.1 °C4 January 2013	19.4 °C	1,232 mm	116	11
2012	39.4 °C22 July 2012	-2.7 °C31 December 2012	18.0 °C	1,383 mm	101	7
2011	40.5 °C25 July 2011	-4.1 °C12 January 2011	18.3 °C	959 mm	107	10
2010	42.1 °C5 August 2010	-2.0 °C16 December 2010	18.8 °C	1,509 mm	89	7
2009	38.8 °C18 July 2009	-2.9 °C14 January 2009	18.8 °C	1,070 mm	109	6
2008	41.1 °C21 August 2008	-3.0 °C3 February 2008	18.9 °C	1,165 mm	120	23
2007	38.9 °C13 July 2007	0.5 °C26 January 2007	19.6 °C	1,123 mm	112	0
2006	39.7 °C16 August 2006	-2.5 °C7 January 2006	19.2 °C	1,334 mm	104	3
2005	41.1 °C29 July 2005	-3.0 °C1 January 2005	18.8 °C	1,390 mm	114	9
2004	37.4 °C30 June 2004	-1.6 °C31 December 2004	18.8 °C	1,420 mm	96	5
2003	40.4 °C31 July 2003	-5.6 °C7 January 2003	18.8 °C	1,153 mm	110	12
2002	38.1 °C15 July 2002	-2.5 °C26 December 2002	18.7 °C	1,993 mm	87	6
2001	37.0 °C30 July 2001	-1.3 °C29 December 2001	18.4 °C	1,765 mm	90	4
2000	40.9 °C17 July 2000	-1.3 °C27 January 2000	18.1 °C	1,638 mm	114	8
1999	36.8 °C8 August 1999	-3.8 °C23 December 1999	18.7 °C	1,703 mm	84	5
1998	40.9 °C10 August 1998	-1.1 °C20 January 1998	19.6 °C	1,610 mm	118	2
1997	35.7 °C31 August 1997	-2.4 °C11 January 1997	18.1 °C	2,136 mm	89	5
1996	35.7 °C26 July 1996	-1.5 °C18 February 1996	18.0 °C	1,666 mm	95	6
1995	40.2 °C5 September 1995	-3.5 °C4 January 1995	18.6 °C	1,511 mm	102	6
1994	37.9 °C3 July 1994	-2.8 °C23 January 1994	18.1 °C	2,526 mm	94	5
1993	35.9 °C27 June 1993	-3.2 °C16 January 1993	17.7 °C	1,805 mm	84	14
1992	39.0 °C31 July 1992	-1.9 °C15 January 1992	18.3 °C	1,442 mm	93	2
1991	40.1 °C28 July 1991	-14.6 °C29 December 1991	18.1 °C	1,599 mm	98	6
1990	39.9 °C16 August 1990	-3.0 °C1 February 1990	18.4 °C	1,720 mm	102	4
1989	39.1 °C22 July 1989	-3.2 °C14 January 1989	17.8 °C	1,518 mm	84	5
1988	38.3 °C9 July 1988	-3.5 °C19 January 1988	17.9 °C	1,443 mm	92	3
1987	37.4 °C6 August 1987	-2.0 °C8 December 1987	18.4 °C	1,651 mm	102	6
1986	37.2 °C30 July 1986	-1.4 °C7 January 1986	18.2 °C	1,386 mm	112	7
1985	40.1 °C16 July 1985	-1.8 °C16 December 1985	18.1 °C	1,350 mm	104	15
1984	38.4 °C25 July 1984	-5.8 °C22 January 1984	17.3 °C	1,604 mm	101	23
1983	39.0 °C6 August 1983	-3.0 °C23 January 1983	18.5 °C	1,789 mm	110	9
1982	37.5 °C21 July 1982	-3.2 °C19 December 1982	18.0 °C	1,872 mm	82	7
1981	38.0 °C19 August 1981	-2.1 °C11 January 1981	17.9 °C	1,774 mm	101	8
1980	38.6 °C3 July 1980	-5.6 °C31 January 1980	17.8 °C	1,589 mm	87	13
1979	39.8 °C8 August 1979	-3.0 °C1 February 1979	18.7 °C	1,397 mm	93	7
1978	38.9 °C2 August 1978	-2.4 °C18 February 1978	18.2 °C	1,699 mm	100	11
1977	37.1 °C10 August 1977	-9.6 °C10 February 1977	18.1 °C	1,762 mm	85	20
1976	38.2 °C5 August 1976	-3.1 °C28 December 1976	17.7 °C	1,998 mm	76	7
1975	39.4 °C30 July 1975	-3.8 °C29 December 1975	18.2 °C	1,854 mm	97	17
1974	37.4 °C9 August 1974	-4.5 °C7 February 1974	18.1 °C	1,569 mm	92	16
1973	36.3 °C31 July 1973	-3.2 °C26 December 1973	18.3 °C	1,765 mm	96	6
1972	38.1 °C9 July 1972	-9.5 °C9 February 1972	17.9 °C	1,699 mm	98	12
1971	40.8 °C26 July 1971	-2.2 °C3 January 1971	18.1 °C	1,380 mm	95	8
1970	37.5 °C2 August 1970	-5.1 °C5 January 1970	17.6 °C	1,893 mm	90	12
1969	37.2 °C27 July 1969	-5.7 °C5 February 1969	17.9 °C	1,494 mm	107	24
1968	38.6 °C30 July 1968	-1.4 °C3 January 1968	18.5 °C	1,867 mm	101	5
1967	39.2 °C18 July 1967	-5.1 °C16 January 1967	18.0 °C	1,479 mm	107	25
1966	37.5 °C17 August 1966	-3.6 °C28 December 1966	18.7 °C	1,270 mm	104	11
1965	37.1 °C21 July 1965	-3.1 °C31 December 1965	17.7 °C	1,803 mm	69	8
1964	39.4 °C4 September 1964	-3.5 °C19 February 1964	18.4 °C	1,328 mm	108	17
1963	40.6 °C15 August 1963	-3.8 °C14 January 1963	19.3 °C	1,161 mm	126	10
1962	39.6 °C29 July 1962	-2.9 °C25 January 1962	18.4 °C	1,822 mm	89	11
1961	40.0 °C23 August 1961	-3.2 °C15 January 1961	18.7 °C	2,053 mm	100	4
1960	40.1 °C2 August 1960	-3.2 °C24 January 1960	18.3 °C	1,343 mm	104	14
1959	38.9 °C24 July 1959	-1.5 °C11 January 1959	18.4 °C	1,607 mm	111	6
1958	37.7 °C18 August 1958	-4.5 °C2 February 1958	18.2 °C	1,258 mm	101	12
1957	37.6 °C1 August 1957	-10.3 °C11 February 1957	17.8 °C	1,529 mm	88	18
1956	36.9 °C27 July 1956	-4.8 °C9 January 1956	17.9 °C	1,336 mm	108	21
1955	34.2 °C11 September 1955	-6.8 °C11 January 1955	18.1 °C	1,243 mm	104	21
1954	36.3 °C29 July 1954	-4.0 °C31 December 1954	18.0 °C	1,475 mm	109	22
1953	41.6 °C17 August 1953	-3.2 °C19 January 1953	18.9 °C	1,238 mm	122	7
1952	35.6 °C12 September 1952	-4.1 °C18 February 1952	18.0 °C	1,376 mm	98	14
1951	37.0 °C1 August 1951	-8.8 °C14 January 1951	17.7 °C	1,765 mm	96	21
1950	35.6 °C18 July 1950	-1.4 °C14 February 1950	18.0 °C	1,915 mm	59	9
1949	34.5 °C14 September 1949	-6.4 °C8 January 1949	18.6 °C	1,628 mm	97	8
1948	34.4 °C18 August 1948	-5.8 °C25 January 1948	18.4 °C	1,514 mm	87	12
1947	35.0 °C27 August 1947	-3.5 °C20 December 1947	18.2 °C	1,761 mm	80	11
1946	40.4 °C28 July 1946	-2.8 °C7 January 1946	20.7 °C	640 mm	150	8
1945	36.1 °C28 July 1945	-3.8 °C4 February 1945	17.5 °C	866 mm	100	28
1944	34.3 °C14 July 1944	-4.2 °C21 December 1944	18.0 °C	1,519 mm	87	17
1943	33.4 °C17 July 1943	-3.9 °C12 January 1943	18.5 °C	1,503 mm	76	8
1942	34.5 °C6 August 1942	-1.3 °C1 January 1942	18.7 °C	1,678 mm	82	6
1941	32.4 °C4 June 1941	-5.2 °C29 December 1941	18.2 °C	1,816 mm	63	8
1940	36.3 °C14 August 1940	-8.2 °C23 January 1940	18.7 °C	1,283 mm	115	10

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

24.5 °C

+2.2 °C

Hot days (≥ 30 °C)

134 d/yr

+34

Frost days (< 0 °C)

2 d/yr

-8

Annual rainfall

1315 mm

-220 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	14.4 °C	+4.7 °C	32 mm	-25 mm
Feb	10.3 °C	-1.0 °C	60 mm	-19 mm
Mar	18.4 °C	+2.2 °C	92 mm	-46 mm
Apr	26.1 °C	+3.8 °C	149 mm	-65 mm
May	28.2 °C	+1.5 °C	278 mm	+21 mm
Jun	30.5 °C	+0.5 °C	250 mm	-8 mm
Jul	34.6 °C	+0.8 °C	166 mm	+45 mm
Aug	35.0 °C	+1.7 °C	57 mm	-81 mm
Sep	32.8 °C	+3.2 °C	78 mm	+2 mm
Oct	27.4 °C	+3.5 °C	30 mm	-49 mm
Nov	19.1 °C	+1.1 °C	82 mm	+8 mm
Dec	16.5 °C	+4.3 °C	44 mm	-2 mm

The year's extremes

Hottest day

39.9 °C

5 Sep 2025

Coldest day

-2.5 °C

9 Feb 2025

Wettest day

48.9 mm

12 Apr 2025

Windiest day

34.3 km/h

2 Mar 2025

Strongest gust

60.8 km/h

8 May 2025

Hottest feels-like

45.6 °C

5 Jul 2025

Coldest feels-like

-6.2 °C

9 Feb 2025

Sunniest day

13.0 h

11 May 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 Hongqiao?

Hongqiao has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 1,535 mm of precipitation per year.

What is the hottest day ever recorded in Hongqiao?

The hottest day measured in Hongqiao between 1940 and 2025 was 5 August 2010, reaching 42.1 °C.

What is the coldest day in Hongqiao?

The coldest day measured in Hongqiao between 1940 and 2025 was 29 December 1991, at -14.6 °C.

Does it snow in Hongqiao?

Yes. Hongqiao gets on average 8.5 cm of snow per year and has around 10 frost days.

Has the climate of Hongqiao warmed?

Yes: Hongqiao warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hongqiao?

The wettest day measured in Hongqiao between 1940 and 2025 was 13 June 1994, with 134 mm of rain in 24 hours.

What was the windiest day in Hongqiao?

The windiest day measured in Hongqiao between 1940 and 2025 was 7 June 1946, with winds reaching 38.8 km/h.

What is the warmest month in Hongqiao?

The warmest month in Hongqiao is July (29.7 °C on average); the coldest is January (6.4 °C).

How much does it rain in Hongqiao?

Hongqiao receives on average 1,535 mm of precipitation per year, spread over about 159 rainy days.

Is it sunny in Hongqiao?

Hongqiao gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.

What is the biggest single-day snowfall in Hongqiao?

The heaviest 24-hour snowfall measured in Hongqiao between 1940 and 2025 was 6 January 2003, with 17.4 cm.

Are there tropical nights in Hongqiao?

Yes: Hongqiao has on average 132 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hongqiao?

In Hongqiao, between 1940 and 2025, the highest apparent temperature reached 46.9 °C on 15 July 2002, and the lowest was -18.8 °C on 29 December 1991.

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