White River climate — normals and trends

Q: What is the climate of White River?

White River has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,134 mm of precipitation per year.

Q: What is the hottest day ever recorded in White River?

The hottest day measured in White River between 1940 and 2025 was 26 February 1992, reaching 39.1 °C.

Q: What is the coldest day in White River?

The coldest day measured in White River between 1940 and 2025 was 28 June 1964, at -0.6 °C.

Q: Does it snow in White River?

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

Q: Has the climate of White River warmed?

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

Q: What is the wettest day in White River?

The wettest day measured in White River between 1940 and 2025 was 19 January 2013, with 152 mm of rain in 24 hours.

Q: What was the windiest day in White River?

The windiest day measured in White River between 1940 and 2025 was 28 January 1976, with winds reaching 31.8 km/h.

Q: What is the warmest month in White River?

The warmest month in White River is January (21.7 °C on average); the coldest is July (13.0 °C).

Q: How much does it rain in White River?

White River receives on average 1,134 mm of precipitation per year, spread over about 143 rainy days.

Q: Is it sunny in White River?

White River gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

White River (South Africa) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 18.2 °C and it receives 1,134 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 (21.7 °C on average) and the coldest is July (13.0 °C). Rainfall peaks in December.

White River averages 0 frost days, 41 hot days (≥ 30 °C) and 143 rainy days per year.

White River 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 39.1 °C (on 26 February 1992) and the coldest -0.6 °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

White RiverMpumalanga

coords: -25.33°, 31.01°
period: 1940–2025 · 86 yrs

CwbSubtropical highland, dry winterWarmest monthJanuaryColdest monthJulyWettest monthDecemberDriest monthJune

Mean daily temperature

18.2°C

Average daily high

24.6°C

Average daily low

13.3°C

Annual rainfall

1,134mm

Sunshine / day

9.7h

Mean relative humidity

74%

Average peak wind

10.7km/h

Seasonal range

8.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

41 d/yr

Rainy days (≥ 1 mm)

143 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.8 °C

Average feels-like low

13.2 °C

Average peak gust

28.6 km/h

Tropical nights (≥ 20 °C)

7 d/yr

Solar radiation

17.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.33 · 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

39.1 °C

26 February 1992

Coldest day

-0.6 °C

28 June 1964

Wettest day

152 mm

19 January 2013

Windiest day

31.8 km/h

28 January 1976

Strongest gust

75.2 km/h

29 January 1984

Hottest feels-like

42.9 °C

26 February 1992

Coldest feels-like

-3.9 °C

28 June 1964

Sunniest day

13.6 h

19 December 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.1 °C3 September 2025	1.1 °C29 July 2025	18.9 °C	1,213 mm	35	0
2024	38.0 °C13 December 2024	2.3 °C7 July 2024	19.4 °C	975 mm	72	0
2023	35.1 °C16 September 2023	4.7 °C31 July 2023	18.8 °C	1,371 mm	48	0
2022	36.7 °C9 October 2022	1.6 °C17 June 2022	18.7 °C	1,221 mm	49	0
2021	35.5 °C23 October 2021	2.3 °C24 July 2021	18.4 °C	1,285 mm	39	0
2020	36.6 °C8 November 2020	1.2 °C14 June 2020	18.6 °C	1,123 mm	41	0
2019	37.3 °C28 October 2019	2.6 °C22 July 2019	19.3 °C	928 mm	64	0
2018	36.3 °C18 September 2018	4.6 °C7 June 2018	18.8 °C	823 mm	54	0
2017	35.4 °C25 October 2017	4.2 °C21 August 2017	18.4 °C	1,185 mm	38	0
2016	37.9 °C20 February 2016	3.9 °C12 August 2016	19.2 °C	877 mm	72	0
2015	36.8 °C2 December 2015	3.3 °C19 June 2015	19.6 °C	662 mm	81	0
2014	35.4 °C8 October 2014	1.7 °C11 July 2014	18.4 °C	923 mm	43	0
2013	36.9 °C12 October 2013	4.2 °C12 June 2013	17.9 °C	1,310 mm	35	0
2012	35.4 °C4 October 2012	3.1 °C12 June 2012	18.4 °C	937 mm	44	0
2011	38.2 °C23 October 2011	3.9 °C27 June 2011	18.2 °C	1,019 mm	35	0
2010	37.6 °C11 October 2010	3.0 °C17 June 2010	18.6 °C	1,340 mm	47	0
2009	34.7 °C7 October 2009	2.7 °C26 July 2009	18.2 °C	1,184 mm	47	0
2008	36.4 °C2 October 2008	4.8 °C6 June 2008	18.4 °C	980 mm	48	0
2007	35.0 °C22 September 2007	2.8 °C25 May 2007	18.3 °C	909 mm	47	0
2006	34.4 °C4 December 2006	3.6 °C28 June 2006	18.0 °C	1,366 mm	37	0
2005	35.9 °C16 November 2005	4.6 °C11 July 2005	18.8 °C	1,098 mm	46	0
2004	38.0 °C7 October 2004	2.8 °C12 June 2004	18.3 °C	1,331 mm	32	0
2003	36.4 °C14 December 2003	2.7 °C22 August 2003	18.8 °C	759 mm	77	0
2002	34.9 °C4 November 2002	3.6 °C12 July 2002	18.3 °C	778 mm	41	0
2001	35.5 °C11 September 2001	2.8 °C25 July 2001	18.2 °C	1,365 mm	31	0
2000	34.6 °C10 September 2000	1.8 °C17 July 2000	17.8 °C	1,873 mm	24	0
1999	34.0 °C25 September 1999	4.2 °C10 June 1999	18.2 °C	1,076 mm	31	0
1998	35.4 °C5 April 1998	4.9 °C5 July 1998	18.5 °C	1,415 mm	50	0
1997	35.4 °C29 September 1997	3.2 °C30 May 1997	17.9 °C	1,287 mm	40	0
1996	34.5 °C20 October 1996	3.1 °C9 July 1996	17.9 °C	1,259 mm	38	0
1995	37.2 °C12 October 1995	2.9 °C8 August 1995	18.0 °C	1,056 mm	42	0
1994	35.7 °C28 September 1994	0.2 °C13 July 1994	17.7 °C	712 mm	39	0
1993	35.8 °C2 December 1993	1.9 °C23 June 1993	18.3 °C	907 mm	32	0
1992	39.1 °C26 February 1992	2.0 °C27 June 1992	19.1 °C	745 mm	83	0
1991	34.3 °C3 March 1991	1.3 °C30 July 1991	18.1 °C	1,051 mm	45	0
1990	36.1 °C5 November 1990	1.3 °C2 July 1990	17.9 °C	1,142 mm	40	0
1989	36.2 °C20 December 1989	2.7 °C26 July 1989	18.0 °C	1,225 mm	31	0
1988	35.1 °C30 September 1988	3.1 °C11 June 1988	18.1 °C	1,205 mm	38	0
1987	33.4 °C19 February 1987	2.1 °C23 June 1987	18.5 °C	1,069 mm	53	0
1986	33.4 °C24 December 1986	3.6 °C22 July 1986	18.2 °C	936 mm	42	0
1985	33.6 °C11 September 1985	3.2 °C18 July 1985	18.2 °C	1,042 mm	41	0
1984	35.4 °C8 February 1984	2.9 °C18 June 1984	17.8 °C	1,257 mm	36	0
1983	37.9 °C11 January 1983	3.3 °C11 August 1983	18.5 °C	959 mm	52	0
1982	35.5 °C27 December 1982	1.4 °C17 June 1982	18.1 °C	737 mm	44	0
1981	36.4 °C5 November 1981	1.8 °C10 June 1981	17.5 °C	1,132 mm	30	0
1980	35.0 °C1 January 1980	0.8 °C12 July 1980	17.6 °C	1,242 mm	36	0
1979	37.0 °C1 October 1979	1.2 °C5 July 1979	18.0 °C	1,003 mm	47	0
1978	33.0 °C28 September 1978	2.9 °C28 June 1978	18.0 °C	1,357 mm	34	0
1977	34.7 °C22 January 1977	2.5 °C4 July 1977	18.3 °C	1,515 mm	48	0
1976	36.0 °C24 November 1976	3.4 °C21 June 1976	17.7 °C	1,199 mm	27	0
1975	34.0 °C20 October 1975	0.5 °C25 July 1975	17.5 °C	1,461 mm	26	0
1974	33.2 °C17 October 1974	3.8 °C26 July 1974	17.8 °C	1,206 mm	23	0
1973	34.2 °C21 September 1973	3.3 °C12 August 1973	17.8 °C	1,510 mm	46	0
1972	34.6 °C30 December 1972	2.4 °C29 June 1972	17.7 °C	1,255 mm	30	0
1971	35.7 °C11 January 1971	3.4 °C2 August 1971	17.7 °C	1,255 mm	24	0
1970	34.2 °C7 October 1970	3.3 °C25 July 1970	18.3 °C	948 mm	53	0
1969	34.8 °C16 October 1969	1.0 °C24 July 1969	17.9 °C	1,394 mm	43	0
1968	35.6 °C15 October 1968	1.1 °C16 June 1968	17.2 °C	1,091 mm	40	0
1967	35.5 °C8 January 1967	2.3 °C13 June 1967	17.7 °C	1,175 mm	27	0
1966	33.4 °C16 January 1966	2.9 °C27 July 1966	18.0 °C	989 mm	43	0
1965	34.3 °C23 December 1965	1.0 °C26 June 1965	17.7 °C	827 mm	37	0
1964	34.5 °C1 October 1964	-0.6 °C28 June 1964	17.5 °C	1,329 mm	36	1
1963	34.5 °C21 December 1963	2.5 °C15 July 1963	17.9 °C	920 mm	39	0
1962	36.8 °C17 October 1962	3.5 °C13 July 1962	18.4 °C	1,244 mm	44	0
1961	34.7 °C27 October 1961	4.2 °C8 August 1961	18.2 °C	1,081 mm	53	0
1960	34.5 °C28 October 1960	3.0 °C25 July 1960	17.7 °C	1,180 mm	45	0
1959	36.3 °C31 October 1959	4.5 °C22 June 1959	18.2 °C	1,019 mm	57	0
1958	35.8 °C19 November 1958	2.1 °C17 June 1958	18.3 °C	1,358 mm	36	0
1957	34.8 °C17 November 1957	3.5 °C4 August 1957	18.2 °C	1,366 mm	28	0
1956	35.0 °C5 October 1956	3.0 °C24 July 1956	17.9 °C	1,041 mm	35	0
1955	34.3 °C11 November 1955	2.3 °C9 August 1955	16.8 °C	1,390 mm	11	0
1954	37.4 °C26 October 1954	3.9 °C26 June 1954	17.2 °C	932 mm	37	0
1953	37.6 °C16 October 1953	1.9 °C31 July 1953	18.1 °C	1,017 mm	28	0
1952	35.0 °C20 November 1952	4.1 °C3 July 1952	18.1 °C	1,189 mm	34	0
1951	37.7 °C25 November 1951	3.1 °C23 June 1951	18.3 °C	930 mm	50	0
1950	35.6 °C22 December 1950	3.9 °C7 August 1950	18.2 °C	1,094 mm	41	0
1949	34.1 °C28 November 1949	4.2 °C7 June 1949	17.4 °C	1,390 mm	22	0
1948	34.4 °C15 September 1948	4.5 °C5 July 1948	17.7 °C	1,484 mm	29	0
1947	36.6 °C7 October 1947	2.2 °C17 July 1947	17.6 °C	1,358 mm	37	0
1946	35.6 °C30 October 1946	2.7 °C15 August 1946	17.9 °C	1,201 mm	33	0
1945	33.4 °C27 December 1945	2.9 °C1 July 1945	17.6 °C	1,131 mm	24	0
1944	35.2 °C12 December 1944	4.4 °C17 May 1944	17.7 °C	1,349 mm	28	0
1943	35.8 °C10 October 1943	2.3 °C22 July 1943	17.2 °C	1,190 mm	16	0
1942	34.9 °C10 September 1942	3.4 °C26 July 1942	17.6 °C	1,366 mm	15	0
1941	37.9 °C8 October 1941	2.8 °C23 June 1941	19.0 °C	595 mm	80	0
1940	37.7 °C15 November 1940	2.5 °C14 July 1940	18.7 °C	885 mm	69	0

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

24.9 °C

+0.3 °C

Hot days (≥ 30 °C)

35 d/yr

-6

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1213 mm

+79 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.7 °C	+0.9 °C	255 mm	+68 mm
Feb	26.7 °C	0.0 °C	174 mm	+2 mm
Mar	26.5 °C	+0.4 °C	92 mm	-34 mm
Apr	23.8 °C	-0.7 °C	125 mm	+44 mm
May	23.6 °C	+0.6 °C	17 mm	-14 mm
Jun	22.2 °C	+1.1 °C	6 mm	-9 mm
Jul	21.7 °C	+0.7 °C	19 mm	+2 mm
Aug	24.9 °C	+2.1 °C	10 mm	-17 mm
Sep	26.0 °C	+1.2 °C	56 mm	+9 mm
Oct	25.3 °C	-0.1 °C	90 mm	+1 mm
Nov	24.3 °C	-1.6 °C	147 mm	+4 mm
Dec	25.9 °C	-0.7 °C	225 mm	+25 mm

The year's extremes

Hottest day

35.1 °C

3 Sep 2025

Coldest day

1.1 °C

29 Jul 2025

Wettest day

56.0 mm

13 Jan 2025

Windiest day

22.9 km/h

10 Jun 2025

Strongest gust

57.6 km/h

9 Jun 2025

Hottest feels-like

38.2 °C

15 Jan 2025

Coldest feels-like

-1.6 °C

29 Jul 2025

Sunniest day

13.5 h

23 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 White River?

White River has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,134 mm of precipitation per year.

What is the hottest day ever recorded in White River?

The hottest day measured in White River between 1940 and 2025 was 26 February 1992, reaching 39.1 °C.

What is the coldest day in White River?

The coldest day measured in White River between 1940 and 2025 was 28 June 1964, at -0.6 °C.

Does it snow in White River?

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

Has the climate of White River warmed?

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

What is the wettest day in White River?

The wettest day measured in White River between 1940 and 2025 was 19 January 2013, with 152 mm of rain in 24 hours.

What was the windiest day in White River?

The windiest day measured in White River between 1940 and 2025 was 28 January 1976, with winds reaching 31.8 km/h.

What is the warmest month in White River?

The warmest month in White River is January (21.7 °C on average); the coldest is July (13.0 °C).

How much does it rain in White River?

White River receives on average 1,134 mm of precipitation per year, spread over about 143 rainy days.

Is it sunny in White River?

White River gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in White River?

Yes: White River has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in White River?

In White River, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 26 February 1992, and the lowest was -3.9 °C on 28 June 1964.

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