Sanjianzai climate — normals and trends

Q: What is the climate of Sanjianzai?

Sanjianzai has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 22.7 °C and it receives 1,833 mm of precipitation per year.

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

The hottest day measured in Sanjianzai between 1940 and 2025 was 24 July 2022, reaching 35.3 °C.

Q: What is the coldest day in Sanjianzai?

The coldest day measured in Sanjianzai between 1940 and 2025 was 11 February 1957, at 2.9 °C.

Q: Does it snow in Sanjianzai?

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

Q: Has the climate of Sanjianzai warmed?

Yes: Sanjianzai warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Sanjianzai?

The wettest day measured in Sanjianzai between 1940 and 2025 was 2 July 1961, with 293 mm of rain in 24 hours.

Q: What was the windiest day in Sanjianzai?

The windiest day measured in Sanjianzai between 1940 and 2025 was 16 September 2018, with winds reaching 71.2 km/h.

Q: What is the warmest month in Sanjianzai?

The warmest month in Sanjianzai is July (28.4 °C on average); the coldest is January (15.1 °C).

Q: How much does it rain in Sanjianzai?

Sanjianzai receives on average 1,833 mm of precipitation per year, spread over about 168 rainy days.

Q: Is it sunny in Sanjianzai?

Sanjianzai gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

Sanjianzai (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 22.7 °C and it receives 1,833 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 (28.4 °C on average) and the coldest is January (15.1 °C). Rainfall peaks in June.

Sanjianzai averages 0 frost days, 70 hot days (≥ 30 °C) and 168 rainy days per year.

Sanjianzai has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.3 °C (on 24 July 2022) and the coldest 2.9 °C (on 11 February 1957).

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

SanjianzaiGuangdong

coords: 22.73°, 113.78°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

22.7°C

Average daily high

25.3°C

Average daily low

20.7°C

Annual rainfall

1,833mm

Sunshine / day

8.6h

Mean relative humidity

79%

Average peak wind

18.3km/h

Seasonal range

13.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

70 d/yr

Rainy days (≥ 1 mm)

168 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.8 °C

Average feels-like low

22.1 °C

Average peak gust

30.7 km/h

Tropical nights (≥ 20 °C)

216 d/yr

Solar radiation

15.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.56 · 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

35.3 °C

24 July 2022

Coldest day

2.9 °C

11 February 1957

Wettest day

293 mm

2 July 1961

Windiest day

71.2 km/h

16 September 2018

Strongest gust

141.5 km/h

16 September 2018

Hottest feels-like

44.6 °C

18 July 2019

Coldest feels-like

-4.1 °C

16 January 1967

Snowiest day

0.2 cm

24 January 2016

Sunniest day

13.0 h

10 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.6 °C17 July 2025	9.2 °C12 January 2025	23.5 °C	1,779 mm	100
2024	34.5 °C5 August 2024	4.9 °C24 January 2024	23.8 °C	2,076 mm	106
2023	34.8 °C31 May 2023	6.7 °C22 December 2023	23.8 °C	1,972 mm	107
2022	35.3 °C24 July 2022	7.5 °C21 February 2022	23.2 °C	2,041 mm	95
2021	34.1 °C27 July 2021	6.6 °C1 January 2021	24.0 °C	1,667 mm	125
2020	33.7 °C14 July 2020	6.6 °C31 December 2020	23.7 °C	1,511 mm	94
2019	34.7 °C18 July 2019	9.1 °C1 January 2019	24.0 °C	1,835 mm	107
2018	33.7 °C15 September 2018	6.2 °C30 January 2018	23.3 °C	1,952 mm	94
2017	35.0 °C22 August 2017	9.1 °C18 December 2017	23.5 °C	1,758 mm	107
2016	34.5 °C9 July 2016	3.7 °C25 January 2016	23.1 °C	2,480 mm	97
2015	34.6 °C8 August 2015	8.9 °C18 December 2015	23.7 °C	1,783 mm	97
2014	33.9 °C23 July 2014	6.2 °C11 February 2014	23.1 °C	1,586 mm	107
2013	33.4 °C13 July 2013	7.2 °C28 December 2013	22.9 °C	2,186 mm	76
2012	34.1 °C21 July 2012	6.1 °C31 December 2012	22.9 °C	1,983 mm	89
2011	34.0 °C30 August 2011	6.0 °C12 January 2011	22.7 °C	1,183 mm	98
2010	33.2 °C4 August 2010	5.2 °C17 December 2010	23.0 °C	1,955 mm	81
2009	34.5 °C18 July 2009	7.4 °C11 January 2009	23.2 °C	1,474 mm	99
2008	34.9 °C28 July 2008	6.1 °C3 February 2008	22.8 °C	1,950 mm	71
2007	33.1 °C19 August 2007	9.3 °C8 January 2007	23.3 °C	1,476 mm	98
2006	34.2 °C25 July 2006	6.0 °C7 January 2006	23.3 °C	1,953 mm	74
2005	35.2 °C19 July 2005	4.5 °C1 January 2005	22.9 °C	1,981 mm	74
2004	35.2 °C1 July 2004	6.5 °C21 January 2004	23.1 °C	1,482 mm	88
2003	34.1 °C23 July 2003	7.0 °C8 January 2003	23.2 °C	1,634 mm	90
2002	32.8 °C5 July 2002	5.4 °C27 December 2002	23.3 °C	1,709 mm	76
2001	33.4 °C23 August 2001	7.5 °C22 December 2001	23.2 °C	2,040 mm	81
2000	33.1 °C30 June 2000	5.8 °C27 January 2000	22.9 °C	1,854 mm	89
1999	33.9 °C20 August 1999	4.2 °C23 December 1999	23.2 °C	1,736 mm	83
1998	32.8 °C20 August 1998	7.8 °C19 January 1998	23.4 °C	2,026 mm	88
1997	33.6 °C29 August 1997	7.3 °C25 January 1997	22.8 °C	2,482 mm	45
1996	33.7 °C26 July 1996	5.5 °C20 February 1996	22.6 °C	1,908 mm	75
1995	33.1 °C25 August 1995	8.7 °C5 January 1995	22.5 °C	1,757 mm	72
1994	33.6 °C11 July 1994	6.3 °C21 January 1994	23.0 °C	1,929 mm	53
1993	32.6 °C25 August 1993	4.9 °C16 January 1993	22.6 °C	2,082 mm	78
1992	33.4 °C29 August 1992	6.5 °C15 January 1992	22.4 °C	2,229 mm	79
1991	33.6 °C19 July 1991	3.6 °C29 December 1991	23.3 °C	1,297 mm	94
1990	34.6 °C17 August 1990	5.6 °C1 February 1990	23.0 °C	1,801 mm	81
1989	33.9 °C16 July 1989	5.8 °C14 January 1989	22.6 °C	1,659 mm	71
1988	34.1 °C18 July 1988	8.1 °C18 February 1988	22.4 °C	1,902 mm	80
1987	34.0 °C13 July 1987	7.0 °C7 December 1987	23.1 °C	1,921 mm	66
1986	33.7 °C31 July 1986	4.7 °C1 March 1986	22.6 °C	1,763 mm	82
1985	32.7 °C23 June 1985	7.7 °C16 December 1985	22.2 °C	2,305 mm	52
1984	33.0 °C29 August 1984	5.3 °C7 February 1984	21.9 °C	1,732 mm	58
1983	33.2 °C11 August 1983	4.4 °C30 December 1983	22.2 °C	2,720 mm	84
1982	34.8 °C29 July 1982	7.9 °C27 December 1982	22.6 °C	2,088 mm	73
1981	33.5 °C8 August 1981	8.5 °C12 January 1981	22.6 °C	1,889 mm	63
1980	34.6 °C10 July 1980	4.9 °C31 January 1980	22.7 °C	1,593 mm	83
1979	33.2 °C28 July 1979	5.4 °C1 February 1979	22.5 °C	2,090 mm	57
1978	32.7 °C25 August 1978	6.4 °C19 January 1978	22.4 °C	2,317 mm	72
1977	33.1 °C24 July 1977	4.4 °C5 January 1977	22.7 °C	1,638 mm	86
1976	32.4 °C25 May 1976	4.2 °C28 December 1976	22.0 °C	1,992 mm	67
1975	32.4 °C30 July 1975	4.3 °C14 December 1975	22.4 °C	2,846 mm	64
1974	33.3 °C21 August 1974	4.9 °C26 February 1974	22.3 °C	2,143 mm	75
1973	32.3 °C2 July 1973	6.3 °C25 December 1973	22.9 °C	2,857 mm	55
1972	32.9 °C11 July 1972	4.5 °C9 February 1972	22.4 °C	2,480 mm	69
1971	33.6 °C21 July 1971	6.1 °C30 January 1971	22.2 °C	1,870 mm	58
1970	32.7 °C1 August 1970	5.7 °C16 January 1970	22.3 °C	2,355 mm	74
1969	33.8 °C27 July 1969	3.2 °C5 February 1969	22.1 °C	1,875 mm	68
1968	33.5 °C24 July 1968	6.0 °C15 February 1968	22.5 °C	2,212 mm	47
1967	32.7 °C18 July 1967	3.5 °C16 January 1967	22.2 °C	1,718 mm	69
1966	32.0 °C14 August 1966	5.9 °C23 February 1966	22.9 °C	1,713 mm	55
1965	32.0 °C1 September 1965	6.4 °C17 December 1965	22.2 °C	1,859 mm	29
1964	33.7 °C7 August 1964	6.1 °C26 February 1964	22.5 °C	1,959 mm	68
1963	33.3 °C5 September 1963	5.8 °C15 January 1963	22.6 °C	1,148 mm	84
1962	34.0 °C2 August 1962	5.5 °C2 January 1962	22.3 °C	1,487 mm	87
1961	34.2 °C1 July 1961	6.7 °C17 January 1961	22.7 °C	2,560 mm	60
1960	34.0 °C21 August 1960	5.0 °C25 January 1960	22.7 °C	1,877 mm	52
1959	33.4 °C29 August 1959	6.5 °C11 January 1959	22.6 °C	2,331 mm	55
1958	33.9 °C16 July 1958	5.1 °C16 January 1958	22.3 °C	1,422 mm	57
1957	32.7 °C15 July 1957	2.9 °C11 February 1957	22.2 °C	2,020 mm	66
1956	33.7 °C1 August 1956	4.4 °C9 January 1956	22.5 °C	980 mm	76
1955	31.8 °C24 August 1955	3.3 °C11 January 1955	22.4 °C	1,348 mm	34
1954	32.0 °C15 August 1954	7.0 °C12 December 1954	22.6 °C	1,143 mm	63
1953	32.5 °C12 August 1953	7.6 °C11 December 1953	22.7 °C	1,473 mm	48
1952	31.7 °C1 September 1952	5.3 °C19 February 1952	22.9 °C	1,545 mm	49
1951	31.8 °C31 July 1951	4.3 °C14 January 1951	22.3 °C	1,711 mm	18
1950	31.4 °C17 July 1950	7.5 °C10 December 1950	22.5 °C	2,061 mm	23
1949	31.7 °C14 September 1949	5.8 °C9 January 1949	22.8 °C	1,268 mm	49
1948	32.2 °C21 August 1948	5.6 °C26 January 1948	22.7 °C	1,381 mm	40
1947	31.4 °C21 June 1947	6.1 °C20 December 1947	22.0 °C	1,679 mm	14
1946	33.9 °C17 July 1946	7.3 °C6 January 1946	23.0 °C	863 mm	68
1945	31.4 °C2 September 1945	6.0 °C4 February 1945	21.6 °C	1,692 mm	32
1944	31.6 °C25 September 1944	5.2 °C20 December 1944	22.2 °C	1,841 mm	22
1943	31.2 °C10 June 1943	5.6 °C12 January 1943	22.3 °C	698 mm	36
1942	31.0 °C1 August 1942	7.2 °C13 February 1942	22.2 °C	1,718 mm	26
1941	31.6 °C8 August 1941	6.8 °C29 December 1941	22.1 °C	1,904 mm	19
1940	32.6 °C31 August 1940	4.7 °C24 January 1940	21.9 °C	1,450 mm	42

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

26.2 °C

+0.9 °C

Hot days (≥ 30 °C)

100 d/yr

+30

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1779 mm

-54 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	19.9 °C	+1.6 °C	12 mm	-32 mm
Feb	19.9 °C	+0.9 °C	23 mm	-48 mm
Mar	22.2 °C	+0.4 °C	89 mm	-12 mm
Apr	25.9 °C	+0.9 °C	74 mm	-86 mm
May	28.5 °C	+0.6 °C	211 mm	-67 mm
Jun	30.0 °C	+0.6 °C	301 mm	-25 mm
Jul	31.6 °C	+1.2 °C	294 mm	+58 mm
Aug	30.6 °C	+0.3 °C	316 mm	+38 mm
Sep	30.9 °C	+1.2 °C	355 mm	+169 mm
Oct	28.7 °C	+1.2 °C	74 mm	+3 mm
Nov	24.0 °C	+0.1 °C	11 mm	-34 mm
Dec	22.3 °C	+2.5 °C	20 mm	-19 mm

The year's extremes

Hottest day

33.6 °C

17 Jul 2025

Coldest day

9.2 °C

12 Jan 2025

Wettest day

93.9 mm

24 Sep 2025

Windiest day

60.4 km/h

24 Sep 2025

Strongest gust

113.4 km/h

24 Sep 2025

Hottest feels-like

42.7 °C

7 Jul 2025

Coldest feels-like

3.8 °C

9 Feb 2025

Sunniest day

13.0 h

6 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 Sanjianzai?

Sanjianzai has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 22.7 °C and it receives 1,833 mm of precipitation per year.

What is the hottest day ever recorded in Sanjianzai?

The hottest day measured in Sanjianzai between 1940 and 2025 was 24 July 2022, reaching 35.3 °C.

What is the coldest day in Sanjianzai?

The coldest day measured in Sanjianzai between 1940 and 2025 was 11 February 1957, at 2.9 °C.

Does it snow in Sanjianzai?

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

Has the climate of Sanjianzai warmed?

Yes: Sanjianzai warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Sanjianzai?

The wettest day measured in Sanjianzai between 1940 and 2025 was 2 July 1961, with 293 mm of rain in 24 hours.

What was the windiest day in Sanjianzai?

The windiest day measured in Sanjianzai between 1940 and 2025 was 16 September 2018, with winds reaching 71.2 km/h.

What is the warmest month in Sanjianzai?

The warmest month in Sanjianzai is July (28.4 °C on average); the coldest is January (15.1 °C).

How much does it rain in Sanjianzai?

Sanjianzai receives on average 1,833 mm of precipitation per year, spread over about 168 rainy days.

Is it sunny in Sanjianzai?

Sanjianzai gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

What is the biggest single-day snowfall in Sanjianzai?

The heaviest 24-hour snowfall measured in Sanjianzai between 1940 and 2025 was 24 January 2016, with 0.2 cm.

Are there tropical nights in Sanjianzai?

Yes: Sanjianzai has on average 216 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Sanjianzai?

In Sanjianzai, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 18 July 2019, and the lowest was -4.1 °C on 16 January 1967.

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