Jiazi climate — normals and trends

Q: What is the climate of Jiazi?

Jiazi has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,604 mm of precipitation per year.

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

The hottest day measured in Jiazi between 1940 and 2025 was 24 August 2019, reaching 36.6 °C.

Q: What is the coldest day in Jiazi?

The coldest day measured in Jiazi between 1940 and 2025 was 11 January 1955, at 1.2 °C.

Q: Does it snow in Jiazi?

Almost never: Jiazi sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Jiazi warmed?

Yes: Jiazi warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Jiazi?

The wettest day measured in Jiazi between 1940 and 2025 was 14 September 1970, with 246 mm of rain in 24 hours.

Q: What was the windiest day in Jiazi?

The windiest day measured in Jiazi between 1940 and 2025 was 1 September 1962, with winds reaching 67.0 km/h.

Q: What is the warmest month in Jiazi?

The warmest month in Jiazi is July (27.9 °C on average); the coldest is January (14.2 °C).

Q: How much does it rain in Jiazi?

Jiazi receives on average 1,604 mm of precipitation per year, spread over about 158 rainy days.

Q: Is it sunny in Jiazi?

Jiazi gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Jiazi (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 21.9 °C and it receives 1,604 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 (27.9 °C on average) and the coldest is January (14.2 °C). Rainfall peaks in August.

Jiazi averages 0 frost days, 72 hot days (≥ 30 °C) and 158 rainy days per year.

Jiazi has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.6 °C (on 24 August 2019) and the coldest 1.2 °C (on 11 January 1955).

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

JiaziGuangdong

coords: 22.88°, 116.07°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthJanuary

Mean daily temperature

21.9°C

Average daily high

25.0°C

Average daily low

19.6°C

Annual rainfall

1,604mm

Sunshine / day

8.9h

Mean relative humidity

80%

Average peak wind

17.0km/h

Seasonal range

13.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

72 d/yr

Rainy days (≥ 1 mm)

158 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.3 °C

Average feels-like low

20.9 °C

Average peak gust

36.3 km/h

Tropical nights (≥ 20 °C)

193 d/yr

Solar radiation

15.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.74 · 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

36.6 °C

24 August 2019

Coldest day

1.2 °C

11 January 1955

Wettest day

246 mm

14 September 1970

Windiest day

67.0 km/h

1 September 1962

Strongest gust

158.0 km/h

19 July 1988

Hottest feels-like

45.4 °C

4 August 2024

Coldest feels-like

-5.5 °C

16 January 1967

Snowiest day

0.4 cm

24 January 2016

Sunniest day

13.0 h

22 June 1952

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.6 °C6 July 2025	8.1 °C12 January 2025	22.9 °C	1,807 mm	123
2024	35.2 °C4 August 2024	4.3 °C24 January 2024	23.3 °C	2,170 mm	107
2023	35.6 °C26 July 2023	6.4 °C22 December 2023	23.1 °C	1,678 mm	106
2022	35.4 °C24 July 2022	7.4 °C19 December 2022	22.6 °C	1,719 mm	102
2021	35.2 °C23 July 2021	4.7 °C13 January 2021	23.3 °C	1,460 mm	134
2020	34.8 °C14 July 2020	5.1 °C31 December 2020	23.1 °C	1,119 mm	110
2019	36.6 °C24 August 2019	9.6 °C23 January 2019	23.2 °C	1,498 mm	109
2018	35.8 °C29 May 2018	5.7 °C6 February 2018	22.8 °C	1,459 mm	99
2017	36.1 °C30 July 2017	8.8 °C12 February 2017	22.9 °C	1,487 mm	106
2016	36.2 °C8 July 2016	1.7 °C25 January 2016	22.8 °C	2,261 mm	106
2015	36.1 °C8 August 2015	7.5 °C15 January 2015	23.0 °C	1,509 mm	99
2014	35.3 °C1 August 2014	5.6 °C20 February 2014	22.4 °C	1,498 mm	112
2013	34.2 °C12 August 2013	5.8 °C29 December 2013	22.4 °C	1,875 mm	90
2012	36.4 °C1 August 2012	5.0 °C31 December 2012	22.4 °C	1,599 mm	86
2011	33.5 °C24 July 2011	5.3 °C12 January 2011	21.9 °C	1,619 mm	91
2010	34.9 °C4 August 2010	3.4 °C17 December 2010	22.3 °C	1,846 mm	93
2009	34.2 °C10 July 2009	5.4 °C11 January 2009	22.5 °C	1,077 mm	99
2008	35.3 °C27 July 2008	6.8 °C9 February 2008	22.2 °C	1,609 mm	78
2007	33.7 °C18 August 2007	7.4 °C30 January 2007	22.7 °C	1,448 mm	100
2006	36.1 °C13 July 2006	5.7 °C7 January 2006	22.6 °C	1,991 mm	77
2005	36.2 °C18 July 2005	3.4 °C1 January 2005	22.2 °C	1,585 mm	83
2004	35.2 °C1 July 2004	5.4 °C25 January 2004	22.2 °C	1,113 mm	105
2003	34.4 °C15 July 2003	7.4 °C8 January 2003	22.4 °C	1,445 mm	89
2002	33.2 °C27 August 2002	6.7 °C27 December 2002	22.8 °C	1,234 mm	79
2001	34.8 °C4 July 2001	6.0 °C22 December 2001	22.6 °C	1,709 mm	85
2000	34.0 °C5 June 2000	5.4 °C27 January 2000	22.4 °C	1,655 mm	95
1999	34.7 °C20 August 1999	2.8 °C23 December 1999	22.5 °C	1,881 mm	84
1998	33.9 °C2 August 1998	7.9 °C5 February 1998	22.9 °C	1,892 mm	101
1997	35.0 °C29 August 1997	7.6 °C11 January 1997	22.2 °C	2,075 mm	54
1996	34.9 °C25 July 1996	5.9 °C20 February 1996	21.9 °C	1,573 mm	89
1995	34.3 °C22 July 1995	7.1 °C5 January 1995	21.7 °C	1,852 mm	78
1994	35.0 °C10 July 1994	5.0 °C21 January 1994	22.2 °C	1,637 mm	62
1993	32.4 °C25 August 1993	4.3 °C16 January 1993	21.7 °C	1,664 mm	74
1992	33.7 °C29 August 1992	5.5 °C15 January 1992	21.6 °C	1,844 mm	73
1991	33.6 °C23 August 1991	2.3 °C29 December 1991	22.3 °C	1,498 mm	90
1990	35.7 °C17 August 1990	4.7 °C1 February 1990	22.1 °C	1,829 mm	71
1989	33.5 °C10 September 1989	6.2 °C14 January 1989	21.8 °C	1,676 mm	85
1988	33.9 °C18 July 1988	8.1 °C13 December 1988	21.7 °C	1,567 mm	87
1987	33.8 °C13 July 1987	6.0 °C7 December 1987	22.2 °C	1,504 mm	73
1986	34.1 °C1 August 1986	3.2 °C1 March 1986	21.5 °C	1,870 mm	70
1985	34.0 °C22 June 1985	5.5 °C16 December 1985	21.5 °C	1,950 mm	55
1984	32.9 °C28 August 1984	5.1 °C8 February 1984	21.2 °C	1,537 mm	61
1983	32.7 °C11 August 1983	4.4 °C30 December 1983	21.6 °C	2,278 mm	80
1982	36.2 °C28 July 1982	5.7 °C28 December 1982	21.7 °C	1,701 mm	72
1981	33.0 °C21 August 1981	6.1 °C12 January 1981	21.9 °C	1,612 mm	62
1980	34.3 °C10 July 1980	3.2 °C31 January 1980	21.8 °C	1,475 mm	81
1979	34.9 °C4 July 1979	3.8 °C1 February 1979	21.8 °C	1,617 mm	67
1978	33.3 °C18 August 1978	5.3 °C18 February 1978	21.8 °C	2,004 mm	81
1977	33.3 °C20 August 1977	4.5 °C30 January 1977	22.0 °C	1,371 mm	80
1976	33.6 °C17 July 1976	4.7 °C28 December 1976	21.4 °C	1,662 mm	57
1975	33.5 °C22 September 1975	3.6 °C14 December 1975	21.9 °C	2,257 mm	75
1974	33.6 °C21 August 1974	2.6 °C26 February 1974	21.8 °C	1,902 mm	82
1973	32.1 °C20 June 1973	5.7 °C3 January 1973	22.2 °C	2,341 mm	61
1972	33.5 °C22 July 1972	3.3 °C9 February 1972	21.8 °C	2,033 mm	64
1971	34.9 °C25 July 1971	5.4 °C30 January 1971	21.4 °C	1,568 mm	82
1970	32.8 °C2 July 1970	4.8 °C16 January 1970	21.6 °C	2,041 mm	86
1969	33.1 °C27 July 1969	3.0 °C5 February 1969	21.4 °C	1,371 mm	86
1968	33.6 °C19 August 1968	5.4 °C15 February 1968	21.6 °C	1,782 mm	62
1967	34.1 °C29 June 1967	1.4 °C16 January 1967	21.6 °C	1,249 mm	79
1966	32.7 °C15 August 1966	5.2 °C23 February 1966	21.6 °C	1,523 mm	32
1965	32.9 °C26 July 1965	5.5 °C18 December 1965	20.9 °C	1,527 mm	15
1964	33.9 °C7 August 1964	6.4 °C26 February 1964	21.9 °C	1,713 mm	67
1963	34.2 °C11 September 1963	2.6 °C28 January 1963	21.9 °C	937 mm	95
1962	34.5 °C2 August 1962	3.9 °C2 January 1962	21.7 °C	1,306 mm	85
1961	34.0 °C25 August 1961	5.3 °C19 January 1961	22.0 °C	2,390 mm	73
1960	34.0 °C22 August 1960	4.8 °C4 January 1960	22.1 °C	1,852 mm	72
1959	34.6 °C29 August 1959	4.0 °C11 January 1959	22.1 °C	1,516 mm	68
1958	33.6 °C15 July 1958	5.1 °C16 January 1958	21.7 °C	1,322 mm	63
1957	33.7 °C15 July 1957	2.4 °C11 February 1957	21.5 °C	1,594 mm	62
1956	35.1 °C31 July 1956	2.0 °C9 January 1956	21.3 °C	963 mm	79
1955	32.2 °C24 August 1955	1.2 °C11 January 1955	21.0 °C	1,091 mm	25
1954	32.6 °C16 August 1954	6.0 °C12 December 1954	21.4 °C	1,247 mm	50
1953	32.7 °C12 August 1953	6.6 °C7 January 1953	21.5 °C	1,311 mm	50
1952	32.2 °C10 June 1952	4.4 °C19 February 1952	21.8 °C	1,334 mm	39
1951	33.0 °C31 July 1951	4.6 °C14 January 1951	21.3 °C	1,484 mm	21
1950	31.4 °C18 July 1950	5.2 °C10 December 1950	21.1 °C	1,538 mm	16
1949	32.1 °C13 September 1949	3.9 °C9 January 1949	21.5 °C	1,288 mm	29
1948	32.1 °C6 July 1948	4.8 °C27 January 1948	21.3 °C	1,304 mm	35
1947	31.4 °C28 August 1947	6.1 °C20 December 1947	20.6 °C	1,874 mm	12
1946	32.6 °C5 April 1946	5.4 °C6 January 1946	21.5 °C	993 mm	43
1945	31.2 °C3 September 1945	5.3 °C16 January 1945	20.4 °C	1,631 mm	23
1944	31.3 °C9 August 1944	4.4 °C19 December 1944	20.9 °C	1,512 mm	10
1943	32.2 °C27 May 1943	4.7 °C12 January 1943	21.1 °C	739 mm	36
1942	31.6 °C28 July 1942	5.9 °C7 December 1942	21.0 °C	1,595 mm	26
1941	31.6 °C8 August 1941	6.8 °C29 December 1941	21.0 °C	1,651 mm	17
1940	33.7 °C30 August 1940	2.8 °C24 January 1940	20.5 °C	1,120 mm	21

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

26.3 °C

+1.3 °C

Hot days (≥ 30 °C)

123 d/yr

+51

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1807 mm

+203 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	19.4 °C	+1.5 °C	2 mm	-21 mm
Feb	18.9 °C	+0.4 °C	46 mm	+4 mm
Mar	22.6 °C	+1.4 °C	61 mm	+3 mm
Apr	26.3 °C	+1.6 °C	76 mm	-29 mm
May	28.8 °C	+1.1 °C	168 mm	-45 mm
Jun	30.6 °C	+1.4 °C	236 mm	-45 mm
Jul	31.6 °C	+1.1 °C	424 mm	+168 mm
Aug	31.0 °C	+0.6 °C	365 mm	+79 mm
Sep	31.4 °C	+1.8 °C	322 mm	+122 mm
Oct	29.1 °C	+2.2 °C	75 mm	+3 mm
Nov	23.8 °C	+0.2 °C	17 mm	-24 mm
Dec	21.9 °C	+2.2 °C	15 mm	-12 mm

The year's extremes

Hottest day

34.6 °C

6 Jul 2025

Coldest day

8.1 °C

12 Jan 2025

Wettest day

78.6 mm

14 Aug 2025

Windiest day

47.3 km/h

20 Jul 2025

Strongest gust

102.6 km/h

20 Jul 2025

Hottest feels-like

42.2 °C

17 Jul 2025

Coldest feels-like

3.5 °C

27 Jan 2025

Sunniest day

13.0 h

23 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 Jiazi?

Jiazi has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,604 mm of precipitation per year.

What is the hottest day ever recorded in Jiazi?

The hottest day measured in Jiazi between 1940 and 2025 was 24 August 2019, reaching 36.6 °C.

What is the coldest day in Jiazi?

The coldest day measured in Jiazi between 1940 and 2025 was 11 January 1955, at 1.2 °C.

Does it snow in Jiazi?

Almost never: Jiazi sees virtually no snow, with about 0 frost days per year.

Has the climate of Jiazi warmed?

Yes: Jiazi warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Jiazi?

The wettest day measured in Jiazi between 1940 and 2025 was 14 September 1970, with 246 mm of rain in 24 hours.

What was the windiest day in Jiazi?

The windiest day measured in Jiazi between 1940 and 2025 was 1 September 1962, with winds reaching 67.0 km/h.

What is the warmest month in Jiazi?

The warmest month in Jiazi is July (27.9 °C on average); the coldest is January (14.2 °C).

How much does it rain in Jiazi?

Jiazi receives on average 1,604 mm of precipitation per year, spread over about 158 rainy days.

Is it sunny in Jiazi?

Jiazi gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in Jiazi?

The heaviest 24-hour snowfall measured in Jiazi between 1940 and 2025 was 24 January 2016, with 0.4 cm.

Are there tropical nights in Jiazi?

Yes: Jiazi has on average 193 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Jiazi?

In Jiazi, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 4 August 2024, and the lowest was -5.5 °C on 16 January 1967.

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