Matsulu climate — normals and trends

Q: What is the climate of Matsulu?

Matsulu has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 674 mm of precipitation per year.

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

The hottest day measured in Matsulu between 1940 and 2025 was 23 October 2011, reaching 41.4 °C.

Q: What is the coldest day in Matsulu?

The coldest day measured in Matsulu between 1940 and 2025 was 28 June 1964, at 0.8 °C.

Q: Does it snow in Matsulu?

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

Q: Has the climate of Matsulu warmed?

Yes: Matsulu warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Matsulu?

The wettest day measured in Matsulu between 1940 and 2025 was 11 December 1942, with 209 mm of rain in 24 hours.

Q: What was the windiest day in Matsulu?

The windiest day measured in Matsulu between 1940 and 2025 was 28 January 1976, with winds reaching 34.5 km/h.

Q: What is the warmest month in Matsulu?

The warmest month in Matsulu is January (23.3 °C on average); the coldest is July (14.6 °C).

Q: How much does it rain in Matsulu?

Matsulu receives on average 674 mm of precipitation per year, spread over about 100 rainy days.

Q: Is it sunny in Matsulu?

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

Matsulu (South Africa) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 19.7 °C and it receives 674 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 January (23.3 °C on average) and the coldest is July (14.6 °C). Rainfall peaks in December.

Matsulu averages 0 frost days, 70 hot days (≥ 30 °C) and 100 rainy days per year.

Matsulu has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.4 °C (on 23 October 2011) and the coldest 0.8 °C (on 28 June 1964).

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

MatsuluMpumalanga

coords: -25.52°, 31.36°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthJanuaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

19.7°C

Average daily high

26.0°C

Average daily low

14.8°C

Annual rainfall

674mm

Sunshine / day

9.5h

Mean relative humidity

69%

Average peak wind

12.1km/h

Seasonal range

8.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

70 d/yr

Rainy days (≥ 1 mm)

100 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.9 °C

Average feels-like low

14.9 °C

Average peak gust

30.7 km/h

Tropical nights (≥ 20 °C)

42 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.23 · 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

41.4 °C

23 October 2011

Coldest day

0.8 °C

28 June 1964

Wettest day

209 mm

11 December 1942

Windiest day

34.5 km/h

28 January 1976

Strongest gust

82.1 km/h

29 January 1984

Hottest feels-like

43.9 °C

26 February 1992

Coldest feels-like

-2.7 °C

27 June 1964

Sunniest day

13.6 h

2 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.7 °C3 September 2025	2.7 °C29 July 2025	20.3 °C	739 mm	57
2024	39.0 °C13 December 2024	3.4 °C7 July 2024	20.9 °C	591 mm	118
2023	36.4 °C16 September 2023	6.1 °C15 July 2023	20.3 °C	760 mm	79
2022	37.8 °C9 October 2022	2.6 °C17 June 2022	20.2 °C	737 mm	67
2021	38.0 °C23 October 2021	3.2 °C24 July 2021	19.8 °C	724 mm	67
2020	38.4 °C8 November 2020	3.1 °C14 June 2020	20.2 °C	695 mm	72
2019	41.1 °C28 October 2019	4.7 °C22 July 2019	21.1 °C	532 mm	105
2018	38.8 °C18 September 2018	6.2 °C6 June 2018	20.5 °C	432 mm	104
2017	36.7 °C25 October 2017	6.1 °C21 August 2017	20.0 °C	760 mm	64
2016	41.2 °C20 February 2016	5.2 °C11 August 2016	21.1 °C	423 mm	118
2015	39.3 °C8 October 2015	5.5 °C19 June 2015	21.4 °C	359 mm	127
2014	37.1 °C8 October 2014	3.3 °C11 July 2014	19.9 °C	669 mm	62
2013	39.2 °C12 October 2013	5.2 °C11 June 2013	19.4 °C	804 mm	53
2012	38.1 °C1 September 2012	3.6 °C8 August 2012	20.2 °C	531 mm	88
2011	41.4 °C23 October 2011	5.3 °C27 July 2011	20.1 °C	568 mm	84
2010	38.7 °C11 October 2010	4.3 °C17 June 2010	20.2 °C	745 mm	78
2009	35.6 °C7 October 2009	4.8 °C26 July 2009	19.9 °C	581 mm	72
2008	37.5 °C8 September 2008	5.9 °C15 July 2008	20.1 °C	548 mm	85
2007	36.5 °C22 September 2007	4.6 °C24 May 2007	20.0 °C	572 mm	93
2006	36.0 °C4 December 2006	4.2 °C7 June 2006	19.3 °C	864 mm	55
2005	38.3 °C16 November 2005	6.5 °C11 July 2005	20.6 °C	567 mm	97
2004	40.9 °C7 October 2004	4.7 °C12 June 2004	19.8 °C	857 mm	71
2003	39.7 °C14 December 2003	4.1 °C22 August 2003	20.6 °C	473 mm	119
2002	37.0 °C4 November 2002	4.8 °C12 July 2002	20.0 °C	385 mm	74
2001	36.7 °C11 September 2001	4.3 °C25 July 2001	19.6 °C	797 mm	48
2000	34.3 °C10 September 2000	3.3 °C17 July 2000	19.0 °C	1,258 mm	26
1999	35.7 °C17 September 1999	5.4 °C10 June 1999	19.7 °C	617 mm	39
1998	37.5 °C5 April 1998	5.5 °C5 July 1998	20.0 °C	817 mm	76
1997	36.8 °C21 November 1997	3.1 °C30 May 1997	19.2 °C	715 mm	54
1996	35.5 °C1 October 1996	3.9 °C3 July 1996	19.1 °C	863 mm	50
1995	37.3 °C12 October 1995	3.8 °C8 August 1995	19.4 °C	579 mm	63
1994	36.3 °C28 September 1994	1.6 °C13 July 1994	19.4 °C	402 mm	76
1993	38.4 °C18 December 1993	2.9 °C23 June 1993	19.9 °C	556 mm	69
1992	41.2 °C26 February 1992	2.7 °C6 July 1992	21.1 °C	510 mm	155
1991	36.2 °C16 September 1991	2.2 °C30 July 1991	19.8 °C	610 mm	88
1990	37.5 °C14 November 1990	3.0 °C2 July 1990	19.4 °C	578 mm	59
1989	37.1 °C20 December 1989	3.4 °C26 July 1989	19.6 °C	643 mm	52
1988	36.9 °C6 January 1988	4.2 °C11 June 1988	19.7 °C	632 mm	79
1987	36.0 °C23 February 1987	3.6 °C23 June 1987	20.1 °C	636 mm	91
1986	35.2 °C15 January 1986	4.8 °C2 July 1986	19.8 °C	570 mm	84
1985	34.7 °C11 September 1985	4.9 °C18 July 1985	19.7 °C	662 mm	68
1984	35.4 °C8 February 1984	4.2 °C18 June 1984	19.0 °C	887 mm	49
1983	40.0 °C11 January 1983	4.4 °C7 July 1983	20.1 °C	482 mm	86
1982	36.6 °C16 December 1982	2.8 °C17 June 1982	19.6 °C	451 mm	72
1981	35.8 °C5 November 1981	2.8 °C18 June 1981	18.8 °C	761 mm	39
1980	35.3 °C4 January 1980	1.4 °C12 July 1980	18.9 °C	742 mm	48
1979	38.2 °C1 October 1979	2.9 °C5 July 1979	19.3 °C	613 mm	63
1978	33.5 °C4 October 1978	4.3 °C14 June 1978	19.3 °C	840 mm	47
1977	36.6 °C22 January 1977	3.4 °C5 July 1977	19.6 °C	888 mm	61
1976	39.2 °C24 November 1976	3.6 °C21 June 1976	19.1 °C	765 mm	46
1975	36.5 °C2 January 1975	1.9 °C25 July 1975	19.0 °C	808 mm	50
1974	36.0 °C31 December 1974	4.3 °C30 July 1974	19.4 °C	715 mm	54
1973	37.0 °C25 September 1973	4.1 °C12 August 1973	19.5 °C	978 mm	77
1972	38.6 °C30 December 1972	2.7 °C3 August 1972	19.1 °C	783 mm	40
1971	36.9 °C11 January 1971	4.3 °C2 August 1971	19.2 °C	769 mm	49
1970	35.7 °C5 March 1970	4.6 °C24 July 1970	20.3 °C	542 mm	114
1969	35.7 °C26 January 1969	2.5 °C24 July 1969	19.4 °C	862 mm	69
1968	37.5 °C15 October 1968	2.9 °C16 June 1968	18.7 °C	606 mm	61
1967	37.1 °C8 January 1967	3.7 °C13 June 1967	19.0 °C	730 mm	50
1966	35.7 °C5 December 1966	4.6 °C21 August 1966	19.6 °C	522 mm	68
1965	35.9 °C7 March 1965	2.5 °C26 June 1965	19.3 °C	473 mm	73
1964	35.9 °C1 October 1964	0.8 °C28 June 1964	19.2 °C	732 mm	64
1963	37.0 °C29 December 1963	3.5 °C15 July 1963	19.6 °C	559 mm	86
1962	39.0 °C13 November 1962	4.6 °C13 July 1962	20.0 °C	806 mm	78
1961	36.0 °C21 October 1961	5.9 °C8 July 1961	19.9 °C	599 mm	94
1960	37.5 °C5 November 1960	4.7 °C25 July 1960	19.6 °C	735 mm	86
1959	39.3 °C31 October 1959	5.3 °C22 June 1959	20.2 °C	540 mm	103
1958	38.6 °C25 September 1958	4.1 °C17 June 1958	20.1 °C	823 mm	85
1957	38.1 °C17 November 1957	4.6 °C4 August 1957	19.8 °C	792 mm	61
1956	37.4 °C5 October 1956	4.0 °C12 June 1956	19.5 °C	669 mm	55
1955	36.1 °C11 November 1955	3.6 °C30 June 1955	18.4 °C	724 mm	22
1954	40.0 °C26 October 1954	4.5 °C23 July 1954	18.8 °C	447 mm	51
1953	40.6 °C16 October 1953	3.7 °C31 July 1953	19.8 °C	506 mm	65
1952	36.8 °C11 September 1952	4.9 °C3 July 1952	19.8 °C	803 mm	56
1951	40.2 °C25 November 1951	4.5 °C23 June 1951	20.0 °C	473 mm	91
1950	37.7 °C22 December 1950	4.4 °C7 August 1950	19.6 °C	670 mm	62
1949	35.6 °C28 November 1949	5.1 °C7 July 1949	18.7 °C	882 mm	36
1948	36.1 °C5 October 1948	5.5 °C5 July 1948	19.0 °C	914 mm	42
1947	40.1 °C7 October 1947	3.3 °C17 July 1947	19.2 °C	787 mm	55
1946	36.7 °C28 October 1946	4.2 °C17 June 1946	19.4 °C	791 mm	55
1945	35.4 °C19 October 1945	3.8 °C27 June 1945	19.1 °C	741 mm	39
1944	37.7 °C12 December 1944	4.6 °C18 May 1944	19.1 °C	765 mm	44
1943	37.4 °C4 October 1943	4.0 °C21 July 1943	18.8 °C	664 mm	26
1942	37.1 °C10 September 1942	4.6 °C26 July 1942	19.0 °C	1,072 mm	36
1941	39.5 °C8 October 1941	4.4 °C2 July 1941	20.8 °C	375 mm	138
1940	39.9 °C15 November 1940	4.2 °C10 July 1940	20.6 °C	518 mm	110

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

+0.2 °C

Hot days (≥ 30 °C)

57 d/yr

-13

Frost days (< 0 °C)

0 d/yr

Annual rainfall

739 mm

+65 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.8 °C	+0.5 °C	193 mm	+77 mm
Feb	28.1 °C	-0.2 °C	79 mm	-30 mm
Mar	28.3 °C	+0.7 °C	55 mm	-23 mm
Apr	25.2 °C	-0.8 °C	69 mm	+22 mm
May	25.1 °C	+0.6 °C	5 mm	-11 mm
Jun	23.8 °C	+1.2 °C	1 mm	-7 mm
Jul	23.1 °C	+0.6 °C	8 mm	+1 mm
Aug	26.1 °C	+2.0 °C	2 mm	-9 mm
Sep	27.1 °C	+1.0 °C	30 mm	+6 mm
Oct	26.6 °C	-0.1 °C	49 mm	-2 mm
Nov	25.5 °C	-1.8 °C	106 mm	+22 mm
Dec	26.8 °C	-1.2 °C	143 mm	+20 mm

The year's extremes

Hottest day

37.7 °C

3 Sep 2025

Coldest day

2.7 °C

29 Jul 2025

Wettest day

45.3 mm

13 Jan 2025

Windiest day

26.5 km/h

10 Jun 2025

Strongest gust

64.4 km/h

9 Jun 2025

Hottest feels-like

40.8 °C

15 Jan 2025

Coldest feels-like

0.2 °C

29 Jul 2025

Sunniest day

13.6 h

16 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 Matsulu?

Matsulu has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 674 mm of precipitation per year.

What is the hottest day ever recorded in Matsulu?

The hottest day measured in Matsulu between 1940 and 2025 was 23 October 2011, reaching 41.4 °C.

What is the coldest day in Matsulu?

The coldest day measured in Matsulu between 1940 and 2025 was 28 June 1964, at 0.8 °C.

Does it snow in Matsulu?

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

Has the climate of Matsulu warmed?

Yes: Matsulu warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Matsulu?

The wettest day measured in Matsulu between 1940 and 2025 was 11 December 1942, with 209 mm of rain in 24 hours.

What was the windiest day in Matsulu?

The windiest day measured in Matsulu between 1940 and 2025 was 28 January 1976, with winds reaching 34.5 km/h.

What is the warmest month in Matsulu?

The warmest month in Matsulu is January (23.3 °C on average); the coldest is July (14.6 °C).

How much does it rain in Matsulu?

Matsulu receives on average 674 mm of precipitation per year, spread over about 100 rainy days.

Is it sunny in Matsulu?

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

Are there tropical nights in Matsulu?

Yes: Matsulu has on average 42 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Matsulu?

In Matsulu, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 26 February 1992, and the lowest was -2.7 °C on 27 June 1964.

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