Longshui climate — normals and trends

Q: What is the climate of Longshui?

Longshui has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,302 mm of precipitation per year.

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

The hottest day measured in Longshui between 1940 and 2025 was 17 August 2011, reaching 43.1 °C.

Q: What is the coldest day in Longshui?

The coldest day measured in Longshui between 1940 and 2025 was 11 February 1945, at -4.3 °C.

Q: Does it snow in Longshui?

Yes. Longshui gets on average 2.1 cm of snow per year and has around 1 frost days.

Q: Has the climate of Longshui warmed?

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

Q: What is the wettest day in Longshui?

The wettest day measured in Longshui between 1940 and 2025 was 30 August 1970, with 137 mm of rain in 24 hours.

Q: What was the windiest day in Longshui?

The windiest day measured in Longshui between 1940 and 2025 was 23 May 1946, with winds reaching 60.1 km/h.

Q: What is the warmest month in Longshui?

The warmest month in Longshui is July (27.7 °C on average); the coldest is January (7.7 °C).

Q: How much does it rain in Longshui?

Longshui receives on average 1,302 mm of precipitation per year, spread over about 170 rainy days.

Q: Is it sunny in Longshui?

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

Longshui (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 1,302 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 (27.7 °C on average) and the coldest is January (7.7 °C). Rainfall peaks in July.

Longshui averages 1 frost days, 68 hot days (≥ 30 °C) and 170 rainy days per year.

Longshui 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 3 to 0 per year over the period.

The hottest day of the period reached 43.1 °C (on 17 August 2011) and the coldest -4.3 °C (on 11 February 1945).

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

LongshuiChongqing Municipality

coords: 29.57°, 105.76°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.1°C

Average daily high

21.4°C

Average daily low

15.3°C

Annual rainfall

1,302mm

Sunshine / day

6.3h

Mean relative humidity

78%

Average peak wind

10.6km/h

Seasonal range

20.0°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

68 d/yr

Rainy days (≥ 1 mm)

170 d/yr

Annual snowfall

2.1 cm

Average feels-like high

22.6 °C

Average feels-like low

15.8 °C

Average peak gust

22.8 km/h

Tropical nights (≥ 20 °C)

117 d/yr

Solar radiation

11.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.29 · 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

43.1 °C

17 August 2011

Coldest day

-4.3 °C

11 February 1945

Wettest day

137 mm

30 August 1970

Windiest day

60.1 km/h

23 May 1946

Strongest gust

79.9 km/h

22 May 1946

Hottest feels-like

47.5 °C

16 July 2025

Coldest feels-like

-8.6 °C

14 December 1975

Snowiest day

7.2 cm

30 January 1980

Sunniest day

13.9 h

22 June 1986

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.7 °C5 August 2025	1.9 °C12 January 2025	19.5 °C	1,446 mm	105	0
2024	41.5 °C4 September 2024	1.8 °C16 December 2024	19.8 °C	1,142 mm	98	0
2023	37.3 °C9 August 2023	-0.3 °C19 January 2023	19.1 °C	1,437 mm	85	1
2022	43.0 °C24 August 2022	2.0 °C23 February 2022	19.6 °C	971 mm	91	0
2021	40.0 °C3 August 2021	-1.0 °C12 January 2021	18.5 °C	1,133 mm	74	3
2020	38.2 °C30 August 2020	0.7 °C21 December 2020	18.4 °C	1,290 mm	71	0
2019	38.2 °C26 August 2019	3.4 °C22 January 2019	18.4 °C	1,109 mm	71	0
2018	39.1 °C20 July 2018	-0.7 °C10 January 2018	18.5 °C	1,200 mm	81	1
2017	39.3 °C26 July 2017	2.0 °C20 December 2017	18.7 °C	1,079 mm	69	0
2016	39.8 °C25 August 2016	-3.1 °C25 January 2016	18.8 °C	1,255 mm	87	3
2015	36.9 °C2 August 2015	2.7 °C17 December 2015	19.0 °C	1,125 mm	70	0
2014	39.0 °C6 August 2014	1.5 °C19 February 2014	18.2 °C	1,389 mm	56	0
2013	41.3 °C23 August 2013	0.1 °C1 January 2013	19.6 °C	1,083 mm	104	0
2012	37.5 °C11 August 2012	0.7 °C30 December 2012	17.8 °C	1,151 mm	63	0
2011	43.1 °C17 August 2011	0.5 °C21 January 2011	18.8 °C	918 mm	104	0
2010	40.1 °C11 August 2010	0.1 °C17 December 2010	18.3 °C	1,138 mm	65	0
2009	39.7 °C8 September 2009	2.7 °C9 January 2009	18.9 °C	1,008 mm	83	0
2008	38.9 °C27 July 2008	-1.4 °C29 January 2008	18.3 °C	1,098 mm	73	2
2007	36.1 °C22 August 2007	2.0 °C19 January 2007	18.8 °C	1,230 mm	84	0
2006	41.9 °C14 August 2006	-0.1 °C9 January 2006	19.3 °C	1,047 mm	89	1
2005	36.5 °C1 July 2005	-0.1 °C2 January 2005	18.2 °C	1,250 mm	69	1
2004	36.9 °C11 August 2004	-0.4 °C31 December 2004	18.1 °C	1,635 mm	59	1
2003	37.2 °C25 August 2003	1.3 °C6 January 2003	18.5 °C	1,210 mm	60	0
2002	37.6 °C16 July 2002	0.9 °C28 December 2002	18.6 °C	1,250 mm	68	0
2001	39.1 °C6 August 2001	1.0 °C22 December 2001	18.6 °C	1,128 mm	58	0
2000	36.6 °C27 July 2000	1.7 °C1 February 2000	18.0 °C	1,464 mm	59	0
1999	35.1 °C14 June 1999	0.5 °C27 December 1999	18.3 °C	1,521 mm	56	0
1998	36.4 °C16 September 1998	2.0 °C20 January 1998	19.0 °C	1,631 mm	77	0
1997	38.9 °C29 August 1997	2.7 °C24 January 1997	18.3 °C	1,095 mm	77	0
1996	36.8 °C4 August 1996	1.5 °C22 February 1996	17.5 °C	1,380 mm	70	0
1995	40.1 °C6 September 1995	1.7 °C5 January 1995	18.1 °C	1,154 mm	75	0
1994	39.8 °C5 August 1994	1.1 °C17 January 1994	18.4 °C	1,296 mm	85	0
1993	35.9 °C13 July 1993	0.8 °C24 January 1993	17.6 °C	1,119 mm	50	0
1992	39.0 °C11 August 1992	1.2 °C14 January 1992	17.7 °C	1,029 mm	66	0
1991	36.7 °C25 July 1991	-2.2 °C28 December 1991	17.8 °C	1,219 mm	66	2
1990	37.1 °C10 August 1990	1.2 °C31 January 1990	18.3 °C	1,095 mm	84	0
1989	36.4 °C22 July 1989	0.8 °C16 January 1989	17.3 °C	1,317 mm	56	0
1988	37.0 °C2 May 1988	2.0 °C17 January 1988	17.6 °C	1,296 mm	64	0
1987	35.2 °C23 May 1987	1.4 °C27 January 1987	18.1 °C	1,375 mm	47	0
1986	36.3 °C11 August 1986	0.6 °C2 March 1986	17.4 °C	1,389 mm	59	0
1985	36.5 °C5 August 1985	1.1 °C15 December 1985	17.4 °C	1,525 mm	59	0
1984	35.9 °C1 August 1984	0.6 °C18 December 1984	17.4 °C	1,449 mm	60	0
1983	35.5 °C27 July 1983	1.5 °C31 December 1983	17.8 °C	1,512 mm	44	0
1982	36.5 °C3 August 1982	-1.6 °C27 December 1982	17.3 °C	1,389 mm	51	3
1981	36.5 °C19 August 1981	1.5 °C20 December 1981	17.7 °C	1,111 mm	70	0
1980	37.1 °C27 July 1980	-2.8 °C9 February 1980	17.7 °C	1,257 mm	52	7
1979	36.0 °C9 August 1979	-2.5 °C19 November 1979	18.0 °C	1,514 mm	53	3
1978	38.2 °C25 August 1978	0.9 °C18 January 1978	18.4 °C	1,042 mm	87	0
1977	36.6 °C7 August 1977	-3.9 °C30 January 1977	17.9 °C	1,200 mm	67	3
1976	39.1 °C7 August 1976	-0.1 °C28 December 1976	17.3 °C	1,075 mm	56	1
1975	36.6 °C9 September 1975	-3.9 °C15 December 1975	18.0 °C	1,320 mm	68	5
1974	37.4 °C30 July 1974	1.5 °C25 February 1974	17.7 °C	1,405 mm	49	0
1973	37.1 °C26 August 1973	1.9 °C2 January 1973	18.6 °C	1,296 mm	69	0
1972	41.1 °C26 August 1972	0.4 °C8 February 1972	18.1 °C	1,248 mm	78	0
1971	37.9 °C1 September 1971	2.2 °C3 January 1971	18.2 °C	1,087 mm	71	0
1970	37.3 °C18 August 1970	-1.0 °C7 January 1970	17.7 °C	1,295 mm	68	2
1969	36.5 °C2 August 1969	-0.4 °C4 February 1969	18.1 °C	1,258 mm	78	1
1968	35.6 °C31 July 1968	0.3 °C7 February 1968	17.3 °C	1,617 mm	46	0
1967	37.0 °C17 July 1967	-2.1 °C6 January 1967	17.4 °C	1,496 mm	67	2
1966	34.9 °C3 August 1966	-0.8 °C29 January 1966	17.7 °C	1,258 mm	57	1
1965	33.4 °C29 July 1965	-0.3 °C20 December 1965	17.3 °C	1,530 mm	31	1
1964	38.2 °C12 July 1964	0.3 °C25 February 1964	18.0 °C	1,412 mm	64	0
1963	37.8 °C26 July 1963	-1.4 °C14 January 1963	18.8 °C	1,228 mm	82	2
1962	37.3 °C18 July 1962	-0.7 °C30 December 1962	18.0 °C	1,440 mm	70	2
1961	37.2 °C22 August 1961	0.5 °C17 January 1961	18.4 °C	1,479 mm	95	0
1960	36.2 °C29 September 1960	0.3 °C26 January 1960	18.2 °C	1,344 mm	76	0
1959	39.1 °C28 August 1959	1.4 °C11 January 1959	18.7 °C	924 mm	93	0
1958	36.5 °C25 July 1958	0.1 °C15 January 1958	18.4 °C	1,130 mm	77	0
1957	37.9 °C31 August 1957	0.1 °C13 February 1957	17.9 °C	1,229 mm	50	0
1956	34.6 °C8 June 1956	-3.6 °C11 January 1956	17.7 °C	1,487 mm	66	5
1955	33.0 °C7 July 1955	-2.8 °C6 January 1955	17.8 °C	1,363 mm	52	9
1954	33.8 °C2 September 1954	-0.4 °C31 December 1954	17.8 °C	1,941 mm	53	2
1953	35.1 °C18 August 1953	1.2 °C19 January 1953	18.6 °C	1,486 mm	73	0
1952	35.0 °C4 July 1952	-0.6 °C7 January 1952	18.2 °C	1,439 mm	62	1
1951	34.3 °C8 September 1951	-2.5 °C14 January 1951	17.8 °C	1,451 mm	73	2
1950	33.2 °C23 July 1950	-0.7 °C17 December 1950	17.5 °C	1,704 mm	33	1
1949	33.9 °C23 August 1949	-2.1 °C8 January 1949	18.0 °C	1,302 mm	66	3
1948	33.0 °C13 August 1948	-1.5 °C28 January 1948	18.0 °C	1,387 mm	60	3
1947	33.2 °C25 July 1947	-3.2 °C20 December 1947	18.2 °C	1,494 mm	70	4
1946	37.8 °C19 July 1946	-0.5 °C4 January 1946	18.6 °C	1,066 mm	96	3
1945	33.2 °C7 June 1945	-4.3 °C11 February 1945	16.9 °C	1,445 mm	41	13
1944	35.1 °C4 August 1944	-3.6 °C18 December 1944	17.3 °C	1,241 mm	71	10
1943	32.3 °C4 August 1943	-2.7 °C8 February 1943	17.7 °C	2,014 mm	34	1
1942	32.0 °C4 July 1942	-0.6 °C8 January 1942	18.2 °C	1,581 mm	38	1
1941	33.9 °C11 July 1941	0.8 °C24 January 1941	17.8 °C	1,263 mm	45	0
1940	34.1 °C15 July 1940	-2.0 °C24 January 1940	17.7 °C	1,120 mm	65	3

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

23.1 °C

+1.7 °C

Hot days (≥ 30 °C)

105 d/yr

+37

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1446 mm

+144 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.8 °C	+1.5 °C	48 mm	+19 mm
Feb	12.0 °C	-0.5 °C	40 mm	+9 mm
Mar	17.1 °C	-0.4 °C	53 mm	-6 mm
Apr	25.6 °C	+3.0 °C	73 mm	-31 mm
May	28.0 °C	+2.0 °C	102 mm	-47 mm
Jun	31.2 °C	+3.0 °C	146 mm	-27 mm
Jul	34.5 °C	+3.1 °C	311 mm	+90 mm
Aug	34.6 °C	+2.9 °C	217 mm	+19 mm
Sep	28.3 °C	+1.3 °C	257 mm	+111 mm
Oct	23.3 °C	+2.1 °C	134 mm	+38 mm
Nov	16.4 °C	-0.1 °C	41 mm	-21 mm
Dec	13.2 °C	+1.7 °C	26 mm	-10 mm

The year's extremes

Hottest day

40.7 °C

5 Aug 2025

Coldest day

1.9 °C

12 Jan 2025

Wettest day

84.5 mm

23 Jul 2025

Windiest day

35.1 km/h

12 Apr 2025

Strongest gust

69.1 km/h

12 Apr 2025

Hottest feels-like

47.5 °C

16 Jul 2025

Coldest feels-like

-1.1 °C

12 Jan 2025

Sunniest day

13.9 h

12 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 Longshui?

Longshui has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,302 mm of precipitation per year.

What is the hottest day ever recorded in Longshui?

The hottest day measured in Longshui between 1940 and 2025 was 17 August 2011, reaching 43.1 °C.

What is the coldest day in Longshui?

The coldest day measured in Longshui between 1940 and 2025 was 11 February 1945, at -4.3 °C.

Does it snow in Longshui?

Yes. Longshui gets on average 2.1 cm of snow per year and has around 1 frost days.

Has the climate of Longshui warmed?

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

What is the wettest day in Longshui?

The wettest day measured in Longshui between 1940 and 2025 was 30 August 1970, with 137 mm of rain in 24 hours.

What was the windiest day in Longshui?

The windiest day measured in Longshui between 1940 and 2025 was 23 May 1946, with winds reaching 60.1 km/h.

What is the warmest month in Longshui?

The warmest month in Longshui is July (27.7 °C on average); the coldest is January (7.7 °C).

How much does it rain in Longshui?

Longshui receives on average 1,302 mm of precipitation per year, spread over about 170 rainy days.

Is it sunny in Longshui?

Longshui 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 Longshui?

The heaviest 24-hour snowfall measured in Longshui between 1940 and 2025 was 30 January 1980, with 7.2 cm.

Are there tropical nights in Longshui?

Yes: Longshui has on average 117 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Longshui?

In Longshui, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 16 July 2025, and the lowest was -8.6 °C on 14 December 1975.

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