Jian’ou climate — normals and trends

Q: What is the climate of Jian’ou?

Jian’ou has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.0 °C and it receives 1,761 mm of precipitation per year.

Q: What is the hottest day ever recorded in Jian’ou?

The hottest day measured in Jian’ou between 1940 and 2025 was 15 July 2003, reaching 41.5 °C.

Q: What is the coldest day in Jian’ou?

The coldest day measured in Jian’ou between 1940 and 2025 was 4 February 1967, at -8.6 °C.

Q: Does it snow in Jian’ou?

Yes. Jian’ou gets on average 4.1 cm of snow per year and has around 8 frost days.

Q: Has the climate of Jian’ou warmed?

Yes: Jian’ou warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Jian’ou?

The wettest day measured in Jian’ou between 1940 and 2025 was 18 June 1968, with 184 mm of rain in 24 hours.

Q: What was the windiest day in Jian’ou?

The windiest day measured in Jian’ou between 1940 and 2025 was 11 July 2018, with winds reaching 28.7 km/h.

Q: What is the warmest month in Jian’ou?

The warmest month in Jian’ou is July (28.6 °C on average); the coldest is January (8.7 °C).

Q: How much does it rain in Jian’ou?

Jian’ou receives on average 1,761 mm of precipitation per year, spread over about 160 rainy days.

Q: Is it sunny in Jian’ou?

Jian’ou gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.

Jian’ou (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.0 °C and it receives 1,761 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 (28.6 °C on average) and the coldest is January (8.7 °C). Rainfall peaks in June.

Jian’ou averages 8 frost days, 101 hot days (≥ 30 °C) and 160 rainy days per year.

Jian’ou has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The number of frost days there went from about 13 to 3 per year over the period.

The hottest day of the period reached 41.5 °C (on 15 July 2003) and the coldest -8.6 °C (on 4 February 1967).

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

Jian’ouFujian

coords: 27.04°, 118.32°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

19.0°C

Average daily high

23.8°C

Average daily low

15.2°C

Annual rainfall

1,761mm

Sunshine / day

7.6h

Mean relative humidity

77%

Average peak wind

8.1km/h

Seasonal range

19.9°C

Frost days (< 0 °C)

8 d/yr

Hot days (≥ 30 °C)

101 d/yr

Rainy days (≥ 1 mm)

160 d/yr

Annual snowfall

4.1 cm

Average feels-like high

25.5 °C

Average feels-like low

16.2 °C

Average peak gust

26.7 km/h

Tropical nights (≥ 20 °C)

130 d/yr

Solar radiation

14.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.61 · 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

41.5 °C

15 July 2003

Coldest day

-8.6 °C

4 February 1967

Wettest day

184 mm

18 June 1968

Windiest day

28.7 km/h

11 July 2018

Strongest gust

100.4 km/h

11 July 2018

Hottest feels-like

46.6 °C

4 August 2024

Coldest feels-like

-12.2 °C

4 February 1967

Snowiest day

15.4 cm

29 December 1983

Sunniest day

13.7 h

21 June 1953

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.9 °C7 October 2025	-0.4 °C11 January 2025	20.7 °C	1,496 mm	149	3
2024	40.6 °C18 July 2024	-1.5 °C24 January 2024	20.7 °C	2,030 mm	115	3
2023	39.6 °C15 July 2023	-2.1 °C23 December 2023	20.4 °C	1,561 mm	121	7
2022	41.1 °C23 August 2022	-0.6 °C19 December 2022	20.4 °C	1,868 mm	125	2
2021	38.3 °C27 July 2021	-3.3 °C9 January 2021	20.6 °C	1,689 mm	129	8
2020	38.8 °C22 July 2020	-0.9 °C31 December 2020	20.5 °C	1,355 mm	116	1
2019	40.9 °C28 August 2019	0.4 °C8 December 2019	20.5 °C	1,730 mm	122	0
2018	38.0 °C29 July 2018	-3.0 °C6 February 2018	20.1 °C	1,312 mm	122	8
2017	39.4 °C22 July 2017	0.1 °C22 December 2017	20.3 °C	1,510 mm	122	0
2016	38.2 °C24 July 2016	-4.4 °C25 January 2016	20.1 °C	2,025 mm	109	4
2015	36.2 °C29 June 2015	-1.5 °C18 December 2015	19.8 °C	2,238 mm	89	1
2014	37.9 °C22 July 2014	-2.8 °C23 January 2014	19.6 °C	1,613 mm	108	7
2013	40.2 °C12 July 2013	-1.9 °C28 December 2013	19.8 °C	1,458 mm	118	4
2012	38.3 °C4 July 2012	-2.4 °C31 December 2012	19.2 °C	1,939 mm	92	2
2011	38.1 °C4 August 2011	-1.7 °C13 January 2011	19.2 °C	1,173 mm	119	7
2010	38.6 °C3 August 2010	-2.1 °C17 December 2010	19.4 °C	2,167 mm	91	3
2009	37.9 °C28 August 2009	-2.8 °C14 January 2009	19.7 °C	1,463 mm	112	12
2008	38.5 °C17 July 2008	-0.8 °C2 January 2008	19.5 °C	1,374 mm	116	6
2007	40.0 °C2 August 2007	-0.6 °C29 January 2007	20.0 °C	1,458 mm	118	2
2006	37.6 °C23 July 2006	-2.1 °C8 January 2006	19.8 °C	2,008 mm	114	2
2005	40.6 °C3 August 2005	-3.0 °C1 January 2005	19.7 °C	1,912 mm	120	12
2004	39.7 °C24 July 2004	-2.3 °C31 December 2004	19.5 °C	1,290 mm	121	6
2003	41.5 °C15 July 2003	-1.5 °C28 December 2003	20.2 °C	1,226 mm	133	4
2002	36.8 °C26 July 2002	0.3 °C27 December 2002	19.8 °C	1,938 mm	113	0
2001	38.7 °C11 July 2001	-0.2 °C16 January 2001	19.4 °C	1,871 mm	109	1
2000	38.1 °C14 July 2000	-2.0 °C28 January 2000	19.3 °C	1,950 mm	104	2
1999	36.1 °C12 September 1999	-4.5 °C23 December 1999	19.5 °C	1,736 mm	98	9
1998	39.4 °C18 August 1998	0.3 °C25 January 1998	20.2 °C	1,853 mm	124	0
1997	35.0 °C28 July 1997	-1.4 °C10 January 1997	19.0 °C	2,145 mm	84	2
1996	37.0 °C30 July 1996	-0.2 °C7 December 1996	18.8 °C	1,677 mm	109	3
1995	38.5 °C8 September 1995	-1.2 °C6 February 1995	18.7 °C	2,180 mm	102	10
1994	38.6 °C2 July 1994	-2.3 °C22 January 1994	19.5 °C	2,073 mm	107	5
1993	37.0 °C26 August 1993	-3.1 °C29 January 1993	18.8 °C	1,890 mm	93	8
1992	40.3 °C29 July 1992	-1.7 °C15 January 1992	18.7 °C	2,351 mm	87	5
1991	38.5 °C22 July 1991	-6.2 °C29 December 1991	19.4 °C	1,582 mm	113	3
1990	38.2 °C19 July 1990	-1.6 °C1 February 1990	19.2 °C	1,895 mm	84	2
1989	38.3 °C20 July 1989	-6.0 °C15 January 1989	18.9 °C	1,816 mm	89	2
1988	39.6 °C25 July 1988	0.8 °C28 November 1988	18.7 °C	1,988 mm	91	0
1987	37.4 °C5 August 1987	-1.0 °C18 December 1987	19.2 °C	2,093 mm	89	4
1986	37.7 °C26 July 1986	-2.1 °C6 January 1986	18.9 °C	1,560 mm	109	9
1985	37.8 °C17 July 1985	-2.4 °C16 December 1985	18.6 °C	1,738 mm	105	11
1984	36.5 °C13 July 1984	-6.7 °C2 January 1984	18.2 °C	1,641 mm	99	17
1983	38.9 °C5 August 1983	-5.7 °C31 December 1983	19.0 °C	2,069 mm	115	3
1982	37.6 °C21 July 1982	-2.3 °C19 January 1982	18.7 °C	1,784 mm	88	6
1981	37.5 °C25 August 1981	-1.1 °C3 January 1981	18.7 °C	1,906 mm	99	6
1980	37.5 °C22 July 1980	-4.3 °C31 January 1980	18.9 °C	1,838 mm	102	13
1979	39.2 °C14 July 1979	-3.7 °C24 November 1979	19.1 °C	1,646 mm	101	8
1978	39.0 °C6 July 1978	-1.1 °C22 January 1978	19.2 °C	1,693 mm	104	9
1977	38.1 °C10 July 1977	-6.7 °C6 January 1977	19.1 °C	1,766 mm	104	13
1976	38.5 °C21 August 1976	-2.0 °C11 January 1976	18.3 °C	1,887 mm	86	9
1975	36.9 °C28 July 1975	-5.5 °C16 December 1975	18.6 °C	2,660 mm	108	15
1974	38.0 °C14 September 1974	-1.9 °C26 February 1974	18.8 °C	1,874 mm	107	12
1973	36.0 °C30 July 1973	-4.0 °C26 December 1973	18.7 °C	2,534 mm	93	10
1972	37.4 °C6 July 1972	-3.8 °C9 February 1972	18.7 °C	1,984 mm	91	9
1971	39.4 °C25 July 1971	-3.6 °C31 January 1971	18.9 °C	1,410 mm	100	14
1970	38.2 °C30 July 1970	-1.9 °C16 January 1970	18.6 °C	1,972 mm	105	5
1969	39.7 °C2 August 1969	-2.1 °C6 February 1969	18.7 °C	1,900 mm	102	6
1968	38.0 °C13 August 1968	-2.1 °C2 January 1968	18.9 °C	2,206 mm	96	9
1967	39.3 °C20 July 1967	-8.6 °C4 February 1967	18.9 °C	1,373 mm	110	31
1966	37.4 °C15 August 1966	-2.3 °C28 December 1966	18.3 °C	1,760 mm	74	9
1965	35.9 °C20 July 1965	-2.6 °C31 December 1965	17.5 °C	2,145 mm	58	8
1964	38.1 °C12 July 1964	-0.6 °C20 December 1964	19.3 °C	1,853 mm	113	5
1963	37.6 °C1 September 1963	-4.5 °C8 January 1963	18.9 °C	1,311 mm	103	21
1962	36.9 °C17 July 1962	-2.4 °C2 January 1962	18.2 °C	2,526 mm	79	14
1961	38.1 °C21 July 1961	-3.7 °C18 January 1961	19.2 °C	1,717 mm	112	12
1960	39.1 °C13 July 1960	-1.9 °C31 December 1960	18.9 °C	1,740 mm	89	7
1959	38.5 °C29 July 1959	-2.8 °C11 January 1959	18.7 °C	2,165 mm	86	12
1958	38.9 °C18 August 1958	-2.1 °C24 January 1958	18.4 °C	1,637 mm	99	9
1957	39.8 °C22 July 1957	-2.5 °C12 February 1957	18.5 °C	1,414 mm	93	8
1956	40.7 °C11 July 1956	-3.7 °C10 January 1956	18.5 °C	1,465 mm	110	15
1955	36.9 °C12 July 1955	-4.1 °C11 January 1955	18.6 °C	1,565 mm	98	15
1954	39.6 °C14 August 1954	-1.9 °C17 December 1954	19.7 °C	893 mm	131	7
1953	40.6 °C10 August 1953	-1.2 °C7 January 1953	19.5 °C	1,442 mm	98	2
1952	35.7 °C4 July 1952	-2.8 °C19 February 1952	18.9 °C	1,998 mm	89	11
1951	37.5 °C7 September 1951	-7.2 °C14 January 1951	18.5 °C	1,723 mm	90	9
1950	38.5 °C18 July 1950	-2.5 °C17 December 1950	18.6 °C	1,749 mm	73	6
1949	35.7 °C13 September 1949	-3.5 °C9 January 1949	19.1 °C	1,890 mm	93	9
1948	35.7 °C8 August 1948	-1.9 °C4 January 1948	19.1 °C	1,520 mm	93	10
1947	36.7 °C1 August 1947	-2.9 °C20 December 1947	17.9 °C	2,086 mm	80	11
1946	38.6 °C16 June 1946	-2.6 °C6 January 1946	19.2 °C	906 mm	118	19
1945	36.4 °C30 July 1945	-3.0 °C8 February 1945	17.2 °C	1,249 mm	63	18
1944	34.9 °C29 June 1944	-2.4 °C10 December 1944	18.3 °C	1,230 mm	86	13
1943	32.4 °C25 May 1943	-3.3 °C12 January 1943	18.2 °C	1,505 mm	56	15
1942	34.3 °C7 July 1942	-2.1 °C14 February 1942	18.3 °C	1,581 mm	76	16
1941	32.8 °C7 August 1941	-1.4 °C25 January 1941	17.9 °C	1,769 mm	49	8
1940	34.7 °C30 August 1940	-3.9 °C25 January 1940	17.2 °C	2,224 mm	62	8

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

26.1 °C

+2.3 °C

Hot days (≥ 30 °C)

149 d/yr

+48

Frost days (< 0 °C)

3 d/yr

-5

Annual rainfall

1496 mm

-265 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.7 °C	+3.4 °C	12 mm	-49 mm
Feb	14.6 °C	-0.1 °C	51 mm	-46 mm
Mar	21.1 °C	+2.5 °C	198 mm	+29 mm
Apr	25.5 °C	+2.1 °C	260 mm	+30 mm
May	28.1 °C	+1.2 °C	299 mm	-6 mm
Jun	33.0 °C	+3.3 °C	129 mm	-204 mm
Jul	33.4 °C	-0.4 °C	254 mm	+121 mm
Aug	34.7 °C	+1.5 °C	67 mm	-77 mm
Sep	34.4 °C	+4.0 °C	128 mm	+15 mm
Oct	30.0 °C	+4.3 °C	38 mm	-29 mm
Nov	21.4 °C	+1.1 °C	48 mm	-12 mm
Dec	19.4 °C	+4.2 °C	12 mm	-37 mm

The year's extremes

Hottest day

37.9 °C

7 Oct 2025

Coldest day

-0.4 °C

11 Jan 2025

Wettest day

65.3 mm

19 Apr 2025

Windiest day

18.5 km/h

12 Apr 2025

Strongest gust

57.2 km/h

15 Jun 2025

Hottest feels-like

43.6 °C

24 Aug 2025

Coldest feels-like

-3.6 °C

11 Jan 2025

Sunniest day

13.4 h

5 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 Jian’ou?

Jian’ou has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.0 °C and it receives 1,761 mm of precipitation per year.

What is the hottest day ever recorded in Jian’ou?

The hottest day measured in Jian’ou between 1940 and 2025 was 15 July 2003, reaching 41.5 °C.

What is the coldest day in Jian’ou?

The coldest day measured in Jian’ou between 1940 and 2025 was 4 February 1967, at -8.6 °C.

Does it snow in Jian’ou?

Yes. Jian’ou gets on average 4.1 cm of snow per year and has around 8 frost days.

Has the climate of Jian’ou warmed?

Yes: Jian’ou warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Jian’ou?

The wettest day measured in Jian’ou between 1940 and 2025 was 18 June 1968, with 184 mm of rain in 24 hours.

What was the windiest day in Jian’ou?

The windiest day measured in Jian’ou between 1940 and 2025 was 11 July 2018, with winds reaching 28.7 km/h.

What is the warmest month in Jian’ou?

The warmest month in Jian’ou is July (28.6 °C on average); the coldest is January (8.7 °C).

How much does it rain in Jian’ou?

Jian’ou receives on average 1,761 mm of precipitation per year, spread over about 160 rainy days.

Is it sunny in Jian’ou?

Jian’ou gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.

What is the biggest single-day snowfall in Jian’ou?

The heaviest 24-hour snowfall measured in Jian’ou between 1940 and 2025 was 29 December 1983, with 15.4 cm.

Are there tropical nights in Jian’ou?

Yes: Jian’ou has on average 130 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Jian’ou?

In Jian’ou, between 1940 and 2025, the highest apparent temperature reached 46.6 °C on 4 August 2024, and the lowest was -12.2 °C on 4 February 1967.

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