Mandeni climate — normals and trends

Q: What is the climate of Mandeni?

Mandeni has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 983 mm of precipitation per year.

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

The hottest day measured in Mandeni between 1940 and 2025 was 22 December 2008, reaching 35.9 °C.

Q: What is the coldest day in Mandeni?

The coldest day measured in Mandeni between 1940 and 2025 was 23 July 1954, at 10.4 °C.

Q: Does it snow in Mandeni?

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

Q: Has the climate of Mandeni warmed?

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

Q: What is the wettest day in Mandeni?

The wettest day measured in Mandeni between 1940 and 2025 was 10 April 1944, with 229 mm of rain in 24 hours.

Q: What was the windiest day in Mandeni?

The windiest day measured in Mandeni between 1940 and 2025 was 27 June 2007, with winds reaching 61.9 km/h.

Q: What is the warmest month in Mandeni?

The warmest month in Mandeni is February (24.5 °C on average); the coldest is July (17.9 °C).

Q: How much does it rain in Mandeni?

Mandeni receives on average 983 mm of precipitation per year, spread over about 136 rainy days.

Q: Is it sunny in Mandeni?

Mandeni gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Mandeni (South Africa) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.3 °C and it receives 983 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 February (24.5 °C on average) and the coldest is July (17.9 °C). Rainfall peaks in February.

Mandeni averages 0 frost days, 17 hot days (≥ 30 °C) and 136 rainy days per year.

Mandeni has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.9 °C (on 22 December 2008) and the coldest 10.4 °C (on 23 July 1954).

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

MandeniKwaZulu-Natal

coords: -29.15°, 31.41°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthFebruaryDriest monthJune

Mean daily temperature

21.3°C

Average daily high

24.3°C

Average daily low

19.0°C

Annual rainfall

983mm

Sunshine / day

9.5h

Mean relative humidity

76%

Average peak wind

26.4km/h

Seasonal range

6.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

17 d/yr

Rainy days (≥ 1 mm)

136 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.0 °C

Average feels-like low

18.6 °C

Average peak gust

42.0 km/h

Tropical nights (≥ 20 °C)

149 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.48 · 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

35.9 °C

22 December 2008

Coldest day

10.4 °C

23 July 1954

Wettest day

229 mm

10 April 1944

Windiest day

61.9 km/h

27 June 2007

Strongest gust

106.9 km/h

23 September 1941

Hottest feels-like

40.0 °C

20 February 2023

Coldest feels-like

4.2 °C

28 August 2021

Sunniest day

13.9 h

27 December 1944

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.5 °C4 January 2025	11.9 °C29 July 2025	21.9 °C	1,134 mm	16
2024	34.2 °C5 March 2024	13.3 °C7 July 2024	22.1 °C	809 mm	18
2023	34.6 °C20 February 2023	13.4 °C13 July 2023	21.7 °C	1,103 mm	22
2022	31.9 °C13 February 2022	12.2 °C18 June 2022	21.8 °C	1,204 mm	12
2021	32.4 °C14 October 2021	10.9 °C28 August 2021	21.3 °C	1,112 mm	13
2020	34.0 °C27 December 2020	12.1 °C17 July 2020	21.7 °C	772 mm	28
2019	33.5 °C10 January 2019	13.5 °C21 July 2019	21.8 °C	929 mm	13
2018	33.4 °C2 February 2018	13.0 °C4 July 2018	21.4 °C	951 mm	16
2017	33.9 °C2 February 2017	13.0 °C18 July 2017	21.5 °C	1,204 mm	19
2016	33.6 °C1 April 2016	11.3 °C10 August 2016	21.8 °C	875 mm	30
2015	35.6 °C24 December 2015	12.6 °C2 August 2015	22.1 °C	694 mm	25
2014	34.8 °C25 December 2014	12.5 °C11 July 2014	21.7 °C	641 mm	21
2013	33.0 °C20 November 2013	13.1 °C1 September 2013	21.4 °C	912 mm	25
2012	32.6 °C25 August 2012	12.4 °C8 August 2012	21.6 °C	993 mm	17
2011	33.1 °C12 March 2011	12.4 °C2 July 2011	21.3 °C	1,013 mm	7
2010	33.1 °C16 February 2010	12.9 °C17 July 2010	22.0 °C	682 mm	31
2009	33.2 °C26 December 2009	12.7 °C20 August 2009	21.3 °C	808 mm	16
2008	35.9 °C22 December 2008	13.2 °C20 September 2008	21.4 °C	758 mm	13
2007	33.1 °C3 March 2007	11.9 °C27 June 2007	21.6 °C	750 mm	19
2006	33.8 °C19 February 2006	12.3 °C7 June 2006	21.5 °C	957 mm	22
2005	33.6 °C11 January 2005	13.6 °C13 July 2005	21.7 °C	838 mm	16
2004	32.4 °C2 March 2004	11.5 °C6 September 2004	21.6 °C	898 mm	20
2003	33.2 °C24 December 2003	10.9 °C21 August 2003	21.6 °C	712 mm	30
2002	35.1 °C17 January 2002	13.3 °C18 July 2002	21.6 °C	894 mm	21
2001	32.4 °C10 March 2001	12.6 °C24 July 2001	21.7 °C	925 mm	16
2000	32.8 °C7 December 2000	12.6 °C17 July 2000	21.4 °C	1,175 mm	7
1999	33.8 °C18 November 1999	13.5 °C12 September 1999	22.0 °C	972 mm	22
1998	33.5 °C28 January 1998	12.7 °C23 August 1998	21.6 °C	774 mm	16
1997	33.7 °C16 December 1997	12.3 °C29 June 1997	21.0 °C	1,230 mm	15
1996	34.7 °C17 December 1996	11.6 °C19 July 1996	21.0 °C	1,304 mm	21
1995	34.3 °C7 February 1995	11.7 °C20 July 1995	21.0 °C	1,146 mm	17
1994	33.5 °C27 November 1994	10.7 °C29 June 1994	21.1 °C	744 mm	18
1993	34.8 °C7 February 1993	12.8 °C14 August 1993	21.7 °C	717 mm	20
1992	33.5 °C13 January 1992	12.0 °C5 July 1992	21.9 °C	546 mm	39
1991	34.7 °C16 January 1991	11.9 °C29 July 1991	21.5 °C	866 mm	21
1990	33.4 °C6 January 1990	12.2 °C1 July 1990	21.0 °C	1,091 mm	10
1989	32.3 °C29 December 1989	12.5 °C5 August 1989	21.3 °C	1,167 mm	14
1988	33.0 °C24 January 1988	11.9 °C10 July 1988	21.4 °C	969 mm	16
1987	34.7 °C19 February 1987	12.1 °C21 June 1987	21.4 °C	1,417 mm	24
1986	32.3 °C16 December 1986	13.0 °C23 June 1986	21.5 °C	919 mm	15
1985	35.2 °C3 January 1985	13.7 °C21 July 1985	21.7 °C	1,026 mm	20
1984	33.2 °C18 December 1984	11.8 °C13 June 1984	21.0 °C	1,030 mm	13
1983	34.1 °C10 January 1983	12.6 °C7 July 1983	21.6 °C	768 mm	22
1982	33.6 °C20 January 1982	13.1 °C17 June 1982	21.3 °C	715 mm	21
1981	33.9 °C1 January 1981	11.5 °C19 August 1981	21.0 °C	830 mm	22
1980	33.1 °C11 November 1980	12.2 °C30 June 1980	21.4 °C	647 mm	19
1979	33.5 °C19 January 1979	12.6 °C27 July 1979	21.4 °C	910 mm	25
1978	32.2 °C31 March 1978	13.0 °C20 June 1978	21.2 °C	972 mm	14
1977	34.1 °C28 December 1977	12.8 °C9 July 1977	21.6 °C	1,067 mm	18
1976	32.7 °C19 September 1976	12.1 °C17 July 1976	21.1 °C	1,308 mm	20
1975	31.9 °C19 October 1975	11.6 °C24 July 1975	20.9 °C	1,264 mm	7
1974	33.1 °C13 October 1974	12.8 °C11 August 1974	21.5 °C	1,003 mm	26
1973	32.3 °C13 February 1973	12.7 °C10 July 1973	20.9 °C	1,226 mm	15
1972	32.9 °C9 December 1972	12.2 °C3 August 1972	21.0 °C	1,111 mm	17
1971	31.8 °C25 March 1971	11.5 °C18 June 1971	21.0 °C	1,206 mm	12
1970	33.2 °C6 October 1970	11.8 °C24 July 1970	21.2 °C	1,173 mm	24
1969	35.0 °C16 October 1969	12.0 °C20 July 1969	21.1 °C	1,076 mm	31
1968	32.4 °C23 December 1968	11.4 °C2 June 1968	20.1 °C	1,147 mm	11
1967	33.0 °C29 January 1967	12.2 °C10 July 1967	21.1 °C	905 mm	11
1966	34.3 °C25 November 1966	12.0 °C21 July 1966	21.2 °C	814 mm	20
1965	34.3 °C6 March 1965	12.4 °C18 October 1965	21.1 °C	777 mm	25
1964	34.6 °C17 February 1964	12.2 °C26 June 1964	21.1 °C	1,005 mm	16
1963	33.1 °C20 December 1963	12.7 °C26 June 1963	21.2 °C	1,088 mm	10
1962	31.5 °C22 December 1962	12.6 °C28 August 1962	21.5 °C	1,001 mm	15
1961	35.3 °C2 February 1961	11.9 °C8 August 1961	21.3 °C	1,012 mm	22
1960	31.9 °C2 February 1960	12.8 °C24 July 1960	21.2 °C	1,058 mm	19
1959	32.7 °C5 February 1959	13.5 °C13 September 1959	21.1 °C	854 mm	14
1958	34.0 °C4 October 1958	12.1 °C10 August 1958	21.3 °C	981 mm	15
1957	32.3 °C8 January 1957	12.7 °C4 August 1957	21.3 °C	1,158 mm	12
1956	32.3 °C17 March 1956	11.7 °C10 June 1956	20.8 °C	1,190 mm	10
1955	31.7 °C27 December 1955	12.0 °C8 August 1955	20.3 °C	900 mm	6
1954	30.9 °C19 November 1954	10.4 °C23 July 1954	19.6 °C	1,291 mm	6
1953	32.2 °C15 December 1953	12.1 °C1 August 1953	21.1 °C	745 mm	11
1952	32.4 °C23 January 1952	14.0 °C30 July 1952	21.4 °C	1,013 mm	10
1951	32.4 °C19 December 1951	12.5 °C11 July 1951	20.8 °C	715 mm	7
1950	32.5 °C29 December 1950	12.6 °C29 July 1950	21.1 °C	1,055 mm	11
1949	31.9 °C8 December 1949	13.2 °C13 July 1949	20.6 °C	794 mm	2
1948	31.9 °C29 September 1948	12.6 °C3 September 1948	20.8 °C	938 mm	8
1947	32.5 °C7 November 1947	11.5 °C17 July 1947	20.5 °C	934 mm	9
1946	33.0 °C11 December 1946	12.0 °C29 July 1946	20.8 °C	997 mm	10
1945	32.7 °C25 December 1945	12.0 °C13 June 1945	20.8 °C	973 mm	9
1944	32.3 °C29 December 1944	11.6 °C12 July 1944	20.3 °C	1,701 mm	6
1943	30.5 °C24 March 1943	11.0 °C5 August 1943	20.3 °C	1,161 mm	2
1942	34.2 °C3 January 1942	11.6 °C25 July 1942	20.7 °C	1,563 mm	4
1941	34.2 °C22 January 1941	11.8 °C1 July 1941	21.4 °C	766 mm	24
1940	33.8 °C20 November 1940	11.8 °C15 July 1940	21.1 °C	1,037 mm	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

24.6 °C

+0.3 °C

Hot days (≥ 30 °C)

16 d/yr

-1

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1134 mm

+151 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.6 °C	+0.9 °C	230 mm	+118 mm
Feb	27.3 °C	+0.4 °C	128 mm	+7 mm
Mar	27.1 °C	+0.7 °C	110 mm	+4 mm
Apr	24.3 °C	-0.7 °C	223 mm	+129 mm
May	24.1 °C	+0.6 °C	32 mm	-27 mm
Jun	23.0 °C	+1.0 °C	17 mm	-21 mm
Jul	22.1 °C	+0.4 °C	57 mm	+15 mm
Aug	23.1 °C	+0.8 °C	11 mm	-36 mm
Sep	23.3 °C	+0.5 °C	92 mm	+22 mm
Oct	23.6 °C	+0.2 °C	53 mm	-38 mm
Nov	24.5 °C	0.0 °C	77 mm	-24 mm
Dec	25.9 °C	+0.1 °C	104 mm	+2 mm

The year's extremes

Hottest day

35.5 °C

4 Jan 2025

Coldest day

11.9 °C

29 Jul 2025

Wettest day

90.7 mm

6 Jan 2025

Windiest day

49.4 km/h

22 Sep 2025

Strongest gust

79.9 km/h

22 Sep 2025

Hottest feels-like

39.3 °C

4 Jan 2025

Coldest feels-like

9.3 °C

29 Jul 2025

Sunniest day

13.8 h

30 Dec 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 Mandeni?

Mandeni has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 983 mm of precipitation per year.

What is the hottest day ever recorded in Mandeni?

The hottest day measured in Mandeni between 1940 and 2025 was 22 December 2008, reaching 35.9 °C.

What is the coldest day in Mandeni?

The coldest day measured in Mandeni between 1940 and 2025 was 23 July 1954, at 10.4 °C.

Does it snow in Mandeni?

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

Has the climate of Mandeni warmed?

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

What is the wettest day in Mandeni?

The wettest day measured in Mandeni between 1940 and 2025 was 10 April 1944, with 229 mm of rain in 24 hours.

What was the windiest day in Mandeni?

The windiest day measured in Mandeni between 1940 and 2025 was 27 June 2007, with winds reaching 61.9 km/h.

What is the warmest month in Mandeni?

The warmest month in Mandeni is February (24.5 °C on average); the coldest is July (17.9 °C).

How much does it rain in Mandeni?

Mandeni receives on average 983 mm of precipitation per year, spread over about 136 rainy days.

Is it sunny in Mandeni?

Mandeni gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Are there tropical nights in Mandeni?

Yes: Mandeni has on average 149 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mandeni?

In Mandeni, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 20 February 2023, and the lowest was 4.2 °C on 28 August 2021.

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