Acornhoek climate — normals and trends

Q: What is the climate of Acornhoek?

Acornhoek has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 606 mm of precipitation per year.

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

The hottest day measured in Acornhoek between 1940 and 2025 was 13 December 2024, reaching 41.3 °C.

Q: What is the coldest day in Acornhoek?

The coldest day measured in Acornhoek between 1940 and 2025 was 27 June 1964, at 1.3 °C.

Q: Does it snow in Acornhoek?

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

Q: Has the climate of Acornhoek warmed?

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

Q: What is the wettest day in Acornhoek?

The wettest day measured in Acornhoek between 1940 and 2025 was 10 February 2020, with 152 mm of rain in 24 hours.

Q: What was the windiest day in Acornhoek?

The windiest day measured in Acornhoek between 1940 and 2025 was 13 March 1941, with winds reaching 45.0 km/h.

Q: What is the warmest month in Acornhoek?

The warmest month in Acornhoek is January (23.9 °C on average); the coldest is July (15.5 °C).

Q: How much does it rain in Acornhoek?

Acornhoek receives on average 606 mm of precipitation per year, spread over about 83 rainy days.

Q: Is it sunny in Acornhoek?

Acornhoek gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Acornhoek (South Africa) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 20.5 °C and it receives 606 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 (23.9 °C on average) and the coldest is July (15.5 °C). Rainfall peaks in December.

Acornhoek averages 0 frost days, 88 hot days (≥ 30 °C) and 83 rainy days per year.

Acornhoek has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.3 °C (on 13 December 2024) and the coldest 1.3 °C (on 27 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

AcornhoekLimpopo

coords: -24.59°, 31.09°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthJanuaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

20.5°C

Average daily high

26.6°C

Average daily low

15.5°C

Annual rainfall

606mm

Sunshine / day

10.0h

Mean relative humidity

65%

Average peak wind

14.0km/h

Seasonal range

8.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

88 d/yr

Rainy days (≥ 1 mm)

83 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.1 °C

Average feels-like low

15.3 °C

Average peak gust

34.2 km/h

Tropical nights (≥ 20 °C)

56 d/yr

Solar radiation

18.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.25 · 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

41.3 °C

13 December 2024

Coldest day

1.3 °C

27 June 1964

Wettest day

152 mm

10 February 2020

Windiest day

45.0 km/h

13 March 1941

Strongest gust

95.4 km/h

28 January 1976

Hottest feels-like

44.5 °C

26 February 1992

Coldest feels-like

-2.1 °C

27 June 1964

Sunniest day

13.5 h

16 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.3 °C3 September 2025	5.2 °C30 July 2025	21.3 °C	640 mm	111
2024	41.3 °C13 December 2024	5.8 °C6 July 2024	21.8 °C	432 mm	126
2023	39.0 °C16 September 2023	6.9 °C31 July 2023	21.1 °C	911 mm	113
2022	38.8 °C9 October 2022	5.1 °C17 June 2022	21.1 °C	572 mm	106
2021	38.4 °C2 November 2021	5.0 °C24 July 2021	20.6 °C	752 mm	96
2020	39.1 °C8 November 2020	4.6 °C14 June 2020	20.8 °C	658 mm	96
2019	40.9 °C28 October 2019	5.4 °C22 July 2019	21.8 °C	437 mm	127
2018	39.3 °C18 September 2018	6.8 °C7 June 2018	21.3 °C	373 mm	127
2017	36.6 °C25 October 2017	7.1 °C21 August 2017	20.8 °C	527 mm	92
2016	39.7 °C20 February 2016	6.4 °C5 August 2016	21.5 °C	444 mm	127
2015	38.8 °C2 December 2015	5.8 °C6 June 2015	21.7 °C	344 mm	137
2014	38.0 °C8 October 2014	4.3 °C11 July 2014	20.6 °C	615 mm	88
2013	39.1 °C12 October 2013	6.7 °C12 June 2013	20.1 °C	829 mm	70
2012	37.7 °C4 October 2012	6.1 °C12 June 2012	20.7 °C	485 mm	96
2011	40.2 °C23 October 2011	6.2 °C25 June 2011	20.6 °C	516 mm	102
2010	40.3 °C11 October 2010	4.9 °C17 June 2010	21.0 °C	650 mm	106
2009	37.4 °C29 December 2009	5.5 °C27 June 2009	20.6 °C	489 mm	93
2008	37.9 °C8 September 2008	7.1 °C15 July 2008	21.1 °C	547 mm	120
2007	37.1 °C16 January 2007	4.4 °C24 May 2007	20.7 °C	476 mm	108
2006	37.8 °C4 December 2006	5.5 °C7 June 2006	20.3 °C	705 mm	74
2005	37.8 °C12 October 2005	7.5 °C5 July 2005	21.1 °C	669 mm	98
2004	38.5 °C7 October 2004	6.5 °C4 June 2004	20.5 °C	701 mm	85
2003	39.0 °C9 December 2003	5.2 °C22 August 2003	21.3 °C	399 mm	133
2002	38.0 °C4 November 2002	6.3 °C12 July 2002	20.8 °C	231 mm	99
2001	37.4 °C11 September 2001	5.1 °C25 July 2001	20.2 °C	818 mm	71
2000	35.3 °C10 October 2000	4.8 °C17 July 2000	19.6 °C	1,079 mm	45
1999	36.5 °C20 December 1999	6.4 °C10 June 1999	20.2 °C	589 mm	53
1998	37.5 °C5 April 1998	7.6 °C15 June 1998	20.7 °C	844 mm	99
1997	37.7 °C29 September 1997	4.4 °C5 June 1997	20.1 °C	553 mm	76
1996	35.8 °C4 November 1996	4.4 °C9 July 1996	19.9 °C	697 mm	72
1995	38.3 °C12 October 1995	4.4 °C8 August 1995	20.3 °C	536 mm	88
1994	37.5 °C22 December 1994	3.0 °C13 July 1994	20.0 °C	325 mm	88
1993	37.8 °C18 December 1993	4.7 °C23 June 1993	20.8 °C	405 mm	88
1992	41.2 °C26 February 1992	4.9 °C9 July 1992	21.5 °C	562 mm	144
1991	38.1 °C3 March 1991	4.3 °C30 July 1991	20.7 °C	447 mm	113
1990	38.3 °C14 November 1990	2.9 °C2 July 1990	20.4 °C	505 mm	83
1989	38.6 °C20 December 1989	4.8 °C19 July 1989	20.4 °C	558 mm	75
1988	37.3 °C30 September 1988	4.9 °C11 June 1988	20.4 °C	565 mm	101
1987	36.4 °C4 February 1987	4.3 °C23 June 1987	20.6 °C	626 mm	97
1986	36.2 °C15 January 1986	6.5 °C25 June 1986	20.5 °C	454 mm	91
1985	35.8 °C30 December 1985	4.2 °C13 July 1985	20.3 °C	583 mm	82
1984	37.3 °C12 January 1984	5.1 °C18 June 1984	20.0 °C	605 mm	72
1983	39.7 °C11 January 1983	5.1 °C28 June 1983	20.7 °C	506 mm	88
1982	38.1 °C23 December 1982	5.1 °C10 June 1982	20.4 °C	348 mm	93
1981	37.3 °C19 December 1981	3.8 °C17 June 1981	19.6 °C	566 mm	69
1980	36.8 °C4 January 1980	4.1 °C12 July 1980	19.8 °C	663 mm	75
1979	38.0 °C2 October 1979	4.1 °C5 July 1979	20.1 °C	481 mm	86
1978	35.3 °C28 September 1978	5.4 °C26 June 1978	20.1 °C	720 mm	69
1977	38.4 °C22 January 1977	4.8 °C4 July 1977	20.4 °C	876 mm	79
1976	38.9 °C18 December 1976	5.9 °C17 July 1976	19.8 °C	605 mm	55
1975	36.5 °C11 January 1975	3.4 °C25 July 1975	19.8 °C	796 mm	64
1974	36.7 °C31 December 1974	6.1 °C26 July 1974	20.1 °C	605 mm	66
1973	38.0 °C30 January 1973	5.5 °C12 August 1973	20.1 °C	848 mm	85
1972	38.0 °C30 December 1972	4.1 °C2 August 1972	19.8 °C	748 mm	58
1971	37.8 °C11 January 1971	6.0 °C15 July 1971	20.0 °C	667 mm	65
1970	36.7 °C2 January 1970	6.6 °C25 July 1970	20.8 °C	507 mm	120
1969	37.1 °C9 March 1969	5.0 °C24 July 1969	20.3 °C	773 mm	86
1968	38.2 °C15 October 1968	2.9 °C15 June 1968	19.6 °C	559 mm	83
1967	38.7 °C8 January 1967	4.6 °C7 June 1967	20.0 °C	558 mm	76
1966	38.3 °C29 November 1966	5.5 °C27 July 1966	20.5 °C	572 mm	88
1965	37.8 °C23 December 1965	3.1 °C25 June 1965	20.3 °C	380 mm	93
1964	38.6 °C9 November 1964	1.3 °C27 June 1964	20.2 °C	542 mm	93
1963	37.4 °C21 December 1963	3.6 °C16 July 1963	20.2 °C	499 mm	95
1962	39.1 °C13 November 1962	5.5 °C29 August 1962	21.0 °C	637 mm	103
1961	37.5 °C27 October 1961	6.1 °C8 August 1961	20.1 °C	637 mm	77
1960	36.6 °C28 October 1960	5.6 °C29 July 1960	20.1 °C	587 mm	94
1959	39.6 °C31 October 1959	6.1 °C19 July 1959	20.5 °C	515 mm	89
1958	37.6 °C25 September 1958	6.0 °C16 June 1958	20.4 °C	921 mm	78
1957	38.6 °C17 November 1957	5.9 °C4 August 1957	20.6 °C	716 mm	82
1956	37.1 °C15 October 1956	5.0 °C30 August 1956	20.2 °C	609 mm	60
1955	35.8 °C11 November 1955	4.5 °C30 June 1955	18.8 °C	844 mm	32
1954	40.3 °C26 October 1954	5.0 °C23 July 1954	19.9 °C	501 mm	79
1953	39.2 °C16 October 1953	4.1 °C22 July 1953	20.4 °C	555 mm	80
1952	37.5 °C20 November 1952	5.5 °C4 July 1952	20.3 °C	759 mm	72
1951	39.6 °C8 October 1951	6.0 °C14 July 1951	20.6 °C	593 mm	106
1950	38.5 °C22 December 1950	5.6 °C28 May 1950	20.7 °C	491 mm	79
1949	36.6 °C30 October 1949	6.6 °C7 June 1949	19.7 °C	838 mm	55
1948	36.6 °C12 December 1948	7.3 °C3 September 1948	19.8 °C	804 mm	52
1947	40.1 °C30 October 1947	4.3 °C17 July 1947	19.8 °C	785 mm	70
1946	38.6 °C30 October 1946	5.4 °C17 June 1946	20.3 °C	593 mm	76
1945	38.1 °C26 October 1945	5.2 °C27 June 1945	19.9 °C	656 mm	51
1944	37.2 °C12 December 1944	6.7 °C24 July 1944	20.2 °C	706 mm	71
1943	38.6 °C10 October 1943	5.4 °C22 July 1943	19.6 °C	538 mm	51
1942	35.2 °C10 September 1942	6.2 °C26 July 1942	19.7 °C	1,022 mm	49
1941	40.6 °C11 October 1941	5.3 °C5 July 1941	21.4 °C	370 mm	144
1940	40.2 °C15 November 1940	4.9 °C3 July 1940	21.4 °C	439 mm	129

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

27.5 °C

+0.9 °C

Hot days (≥ 30 °C)

111 d/yr

+23

Frost days (< 0 °C)

0 d/yr

Annual rainfall

640 mm

+34 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.7 °C	+0.7 °C	167 mm	+63 mm
Feb	29.2 °C	+0.3 °C	65 mm	-29 mm
Mar	30.0 °C	+1.8 °C	35 mm	-33 mm
Apr	26.7 °C	+0.1 °C	51 mm	+12 mm
May	26.5 °C	+1.3 °C	4 mm	-10 mm
Jun	24.7 °C	+1.5 °C	1 mm	-6 mm
Jul	24.0 °C	+1.1 °C	2 mm	-3 mm
Aug	27.3 °C	+2.7 °C	1 mm	-7 mm
Sep	28.6 °C	+1.8 °C	21 mm	+1 mm
Oct	28.4 °C	+0.9 °C	54 mm	+9 mm
Nov	26.8 °C	-1.2 °C	117 mm	+33 mm
Dec	27.8 °C	-0.9 °C	123 mm	+5 mm

The year's extremes

Hottest day

38.3 °C

3 Sep 2025

Coldest day

5.2 °C

30 Jul 2025

Wettest day

47.1 mm

28 Nov 2025

Windiest day

27.0 km/h

6 Sep 2025

Strongest gust

62.6 km/h

6 Sep 2025

Hottest feels-like

40.4 °C

15 Jan 2025

Coldest feels-like

2.4 °C

30 Jul 2025

Sunniest day

13.5 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 Acornhoek?

Acornhoek has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 606 mm of precipitation per year.

What is the hottest day ever recorded in Acornhoek?

The hottest day measured in Acornhoek between 1940 and 2025 was 13 December 2024, reaching 41.3 °C.

What is the coldest day in Acornhoek?

The coldest day measured in Acornhoek between 1940 and 2025 was 27 June 1964, at 1.3 °C.

Does it snow in Acornhoek?

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

Has the climate of Acornhoek warmed?

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

What is the wettest day in Acornhoek?

The wettest day measured in Acornhoek between 1940 and 2025 was 10 February 2020, with 152 mm of rain in 24 hours.

What was the windiest day in Acornhoek?

The windiest day measured in Acornhoek between 1940 and 2025 was 13 March 1941, with winds reaching 45.0 km/h.

What is the warmest month in Acornhoek?

The warmest month in Acornhoek is January (23.9 °C on average); the coldest is July (15.5 °C).

How much does it rain in Acornhoek?

Acornhoek receives on average 606 mm of precipitation per year, spread over about 83 rainy days.

Is it sunny in Acornhoek?

Acornhoek gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in Acornhoek?

Yes: Acornhoek has on average 56 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Acornhoek?

In Acornhoek, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 26 February 1992, and the lowest was -2.1 °C on 27 June 1964.

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