Somaroboro climate — normals and trends

Q: What is the climate of Somaroboro?

Somaroboro has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.3 °C and it receives 579 mm of precipitation per year.

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

The hottest day measured in Somaroboro between 1940 and 2025 was 7 January 2016, reaching 40.7 °C.

Q: What is the coldest day in Somaroboro?

The coldest day measured in Somaroboro between 1940 and 2025 was 28 June 1964, at -1.8 °C.

Q: Does it snow in Somaroboro?

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

Q: Has the climate of Somaroboro warmed?

Yes: Somaroboro warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Somaroboro?

The wettest day measured in Somaroboro between 1940 and 2025 was 19 February 2025, with 112 mm of rain in 24 hours.

Q: What was the windiest day in Somaroboro?

The windiest day measured in Somaroboro between 1940 and 2025 was 23 September 1941, with winds reaching 40.3 km/h.

Q: What is the warmest month in Somaroboro?

The warmest month in Somaroboro is January (23.5 °C on average); the coldest is June (12.7 °C).

Q: How much does it rain in Somaroboro?

Somaroboro receives on average 579 mm of precipitation per year, spread over about 86 rainy days.

Q: Is it sunny in Somaroboro?

Somaroboro gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Somaroboro (South Africa) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 19.3 °C and it receives 579 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 (23.5 °C on average) and the coldest is June (12.7 °C). Rainfall peaks in December.

Somaroboro averages 0 frost days, 85 hot days (≥ 30 °C) and 86 rainy days per year.

Somaroboro has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.7 °C (on 7 January 2016) and the coldest -1.8 °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

SomaroboroMpumalanga

coords: -25.35°, 28.83°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthJanuaryColdest monthJuneWettest monthDecemberDriest monthJuly

Mean daily temperature

19.3°C

Average daily high

26.2°C

Average daily low

13.7°C

Annual rainfall

579mm

Sunshine / day

10.9h

Mean relative humidity

58%

Average peak wind

14.5km/h

Seasonal range

10.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

85 d/yr

Rainy days (≥ 1 mm)

86 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.9 °C

Average feels-like low

12.7 °C

Average peak gust

31.6 km/h

Tropical nights (≥ 20 °C)

27 d/yr

Solar radiation

20.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.40 · 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

40.7 °C

7 January 2016

Coldest day

-1.8 °C

28 June 1964

Wettest day

112 mm

19 February 2025

Windiest day

40.3 km/h

23 September 1941

Strongest gust

78.1 km/h

27 October 2024

Hottest feels-like

40.7 °C

11 January 2001

Coldest feels-like

-5.6 °C

28 June 1964

Snowiest day

0.1 cm

7 July 1996

Sunniest day

13.6 h

11 December 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.1 °C15 October 2025	1.8 °C11 July 2025	19.5 °C	1,067 mm	74	0
2024	38.8 °C4 December 2024	-0.1 °C9 July 2024	21.0 °C	353 mm	147	1
2023	37.3 °C28 January 2023	2.5 °C10 July 2023	20.4 °C	486 mm	136	0
2022	37.9 °C4 October 2022	3.1 °C17 June 2022	19.9 °C	620 mm	94	0
2021	36.0 °C16 October 2021	1.3 °C23 July 2021	19.6 °C	617 mm	89	0
2020	36.0 °C20 October 2020	0.2 °C16 July 2020	19.6 °C	524 mm	90	0
2019	38.5 °C28 October 2019	2.3 °C25 June 2019	21.1 °C	444 mm	143	0
2018	38.0 °C7 January 2018	2.9 °C3 July 2018	20.4 °C	410 mm	122	0
2017	37.1 °C7 November 2017	2.9 °C9 June 2017	19.8 °C	597 mm	93	0
2016	40.7 °C7 January 2016	3.4 °C30 June 2016	20.5 °C	494 mm	124	0
2015	38.7 °C11 November 2015	2.3 °C18 July 2015	21.0 °C	300 mm	151	0
2014	37.0 °C9 October 2014	1.7 °C7 June 2014	19.5 °C	680 mm	87	0
2013	36.8 °C12 October 2013	4.1 °C13 August 2013	19.9 °C	446 mm	117	0
2012	36.4 °C4 March 2012	1.5 °C13 August 2012	19.6 °C	619 mm	104	0
2011	38.3 °C24 October 2011	2.8 °C25 June 2011	19.4 °C	596 mm	87	0
2010	37.2 °C13 February 2010	2.0 °C17 June 2010	19.8 °C	564 mm	109	0
2009	36.4 °C8 October 2009	2.2 °C27 June 2009	19.3 °C	565 mm	93	0
2008	37.1 °C3 November 2008	2.1 °C7 July 2008	19.6 °C	506 mm	96	0
2007	35.7 °C21 February 2007	1.1 °C24 May 2007	19.5 °C	421 mm	107	0
2006	35.8 °C24 October 2006	1.5 °C28 June 2006	19.0 °C	704 mm	55	0
2005	37.9 °C3 November 2005	4.5 °C7 July 2005	20.3 °C	465 mm	108	0
2004	37.3 °C15 January 2004	2.3 °C16 July 2004	19.3 °C	575 mm	78	0
2003	37.5 °C12 December 2003	1.3 °C21 August 2003	20.5 °C	360 mm	158	0
2002	37.2 °C19 October 2002	3.2 °C11 July 2002	19.8 °C	390 mm	110	0
2001	39.4 °C11 January 2001	1.4 °C20 July 2001	19.5 °C	527 mm	91	0
2000	34.9 °C19 October 2000	-0.3 °C21 July 2000	18.3 °C	861 mm	44	2
1999	37.6 °C1 March 1999	2.8 °C1 July 1999	19.5 °C	572 mm	82	0
1998	37.5 °C3 February 1998	2.1 °C6 July 1998	19.9 °C	427 mm	111	0
1997	38.1 °C29 September 1997	2.1 °C4 June 1997	19.0 °C	651 mm	89	0
1996	36.6 °C3 November 1996	1.7 °C13 July 1996	19.0 °C	666 mm	73	0
1995	37.0 °C12 October 1995	1.4 °C17 June 1995	19.1 °C	586 mm	79	0
1994	35.1 °C9 November 1994	0.1 °C8 July 1994	18.8 °C	423 mm	73	0
1993	38.5 °C31 October 1993	2.6 °C21 June 1993	19.9 °C	448 mm	97	0
1992	38.8 °C26 February 1992	0.9 °C28 June 1992	20.6 °C	346 mm	158	0
1991	35.4 °C29 October 1991	2.3 °C24 June 1991	19.6 °C	524 mm	99	0
1990	37.1 °C5 November 1990	0.9 °C14 July 1990	19.6 °C	416 mm	107	0
1989	37.0 °C1 November 1989	1.3 °C22 July 1989	19.4 °C	556 mm	73	0
1988	36.1 °C31 January 1988	0.9 °C11 June 1988	19.5 °C	562 mm	91	0
1987	36.3 °C16 November 1987	2.4 °C21 June 1987	19.7 °C	620 mm	110	0
1986	34.9 °C14 January 1986	3.2 °C30 June 1986	19.6 °C	503 mm	104	0
1985	37.0 °C4 January 1985	1.8 °C13 July 1985	19.6 °C	573 mm	96	0
1984	36.9 °C15 February 1984	2.7 °C20 June 1984	19.7 °C	430 mm	104	0
1983	38.8 °C11 January 1983	2.4 °C27 June 1983	20.0 °C	551 mm	109	0
1982	36.7 °C26 November 1982	0.4 °C17 June 1982	19.7 °C	390 mm	110	0
1981	38.0 °C5 November 1981	0.8 °C17 June 1981	18.5 °C	621 mm	64	0
1980	35.5 °C16 October 1980	0.5 °C30 June 1980	18.5 °C	581 mm	52	0
1979	34.9 °C1 October 1979	1.0 °C25 July 1979	19.1 °C	600 mm	95	0
1978	35.5 °C29 September 1978	1.6 °C14 June 1978	19.0 °C	559 mm	54	0
1977	36.8 °C15 January 1977	3.0 °C27 June 1977	19.2 °C	645 mm	92	0
1976	35.4 °C24 November 1976	0.5 °C22 June 1976	18.1 °C	705 mm	39	0
1975	35.0 °C16 October 1975	2.2 °C25 July 1975	18.4 °C	651 mm	53	0
1974	35.3 °C14 October 1974	0.9 °C2 August 1974	18.4 °C	711 mm	44	0
1973	37.6 °C23 January 1973	3.4 °C12 August 1973	19.1 °C	700 mm	92	0
1972	36.8 °C30 December 1972	-0.9 °C2 August 1972	19.2 °C	498 mm	91	1
1971	35.1 °C26 December 1971	1.2 °C18 July 1971	18.3 °C	746 mm	44	0
1970	36.9 °C14 December 1970	2.6 °C7 July 1970	19.6 °C	595 mm	102	0
1969	37.9 °C13 January 1969	1.9 °C22 July 1969	18.8 °C	748 mm	70	0
1968	37.9 °C5 January 1968	-1.3 °C15 June 1968	18.4 °C	558 mm	87	1
1967	35.0 °C16 November 1967	0.5 °C13 June 1967	18.4 °C	587 mm	62	0
1966	36.6 °C29 November 1966	2.4 °C16 July 1966	19.3 °C	596 mm	83	0
1965	37.3 °C31 October 1965	-0.5 °C26 June 1965	18.9 °C	310 mm	92	1
1964	37.1 °C29 February 1964	-1.8 °C28 June 1964	18.9 °C	622 mm	86	3
1963	36.9 °C29 December 1963	-0.3 °C16 July 1963	18.6 °C	589 mm	80	1
1962	37.5 °C17 October 1962	3.4 °C11 July 1962	19.6 °C	692 mm	107	0
1961	38.7 °C24 October 1961	2.8 °C4 August 1961	19.3 °C	681 mm	88	0
1960	36.0 °C28 October 1960	1.2 °C25 July 1960	18.6 °C	739 mm	75	0
1959	36.6 °C17 October 1959	4.4 °C20 June 1959	18.8 °C	675 mm	79	0
1958	34.8 °C27 September 1958	2.2 °C17 June 1958	18.9 °C	956 mm	52	0
1957	34.9 °C21 December 1957	1.0 °C20 June 1957	18.9 °C	692 mm	54	0
1956	34.0 °C1 February 1956	1.9 °C15 June 1956	18.6 °C	714 mm	35	0
1955	34.2 °C9 October 1955	-0.6 °C29 June 1955	17.7 °C	665 mm	28	1
1954	36.6 °C25 October 1954	1.3 °C18 July 1954	19.5 °C	225 mm	121	0
1953	37.4 °C22 January 1953	0.4 °C1 July 1953	19.2 °C	501 mm	69	0
1952	37.3 °C20 November 1952	2.4 °C4 July 1952	19.2 °C	578 mm	76	0
1951	37.4 °C9 October 1951	2.3 °C26 June 1951	18.9 °C	683 mm	80	0
1950	35.8 °C30 December 1950	4.1 °C27 May 1950	19.0 °C	504 mm	73	0
1949	34.3 °C10 February 1949	2.7 °C5 July 1949	18.2 °C	751 mm	51	0
1948	36.5 °C24 November 1948	2.6 °C23 July 1948	18.2 °C	673 mm	47	0
1947	37.7 °C8 October 1947	1.1 °C17 July 1947	18.4 °C	758 mm	47	0
1946	35.5 °C29 October 1946	2.2 °C30 June 1946	18.5 °C	688 mm	50	0
1945	35.4 °C5 October 1945	1.5 °C29 June 1945	18.5 °C	611 mm	43	0
1944	36.0 °C27 September 1944	2.9 °C24 July 1944	18.3 °C	730 mm	28	0
1943	35.4 °C10 October 1943	1.8 °C21 July 1943	18.2 °C	676 mm	27	0
1942	33.2 °C23 October 1942	1.1 °C21 July 1942	18.1 °C	832 mm	23	0
1941	37.3 °C15 October 1941	1.3 °C6 July 1941	20.2 °C	303 mm	108	0
1940	37.9 °C14 November 1940	0.1 °C15 July 1940	19.8 °C	454 mm	101	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

26.1 °C

-0.1 °C

Hot days (≥ 30 °C)

74 d/yr

-11

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1067 mm

+488 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.4 °C	+0.1 °C	208 mm	+109 mm
Feb	28.8 °C	-0.2 °C	281 mm	+195 mm
Mar	27.4 °C	-0.5 °C	56 mm	-11 mm
Apr	24.1 °C	-1.6 °C	79 mm	+39 mm
May	23.9 °C	+0.4 °C	2 mm	-12 mm
Jun	22.0 °C	+1.2 °C	1 mm	-5 mm
Jul	21.8 °C	+0.9 °C	2 mm	-1 mm
Aug	25.7 °C	+1.8 °C	33 mm	+28 mm
Sep	29.2 °C	+1.6 °C	29 mm	+11 mm
Oct	28.4 °C	-0.5 °C	54 mm	+4 mm
Nov	25.6 °C	-2.9 °C	196 mm	+107 mm
Dec	27.3 °C	-1.6 °C	126 mm	+23 mm

The year's extremes

Hottest day

35.1 °C

15 Oct 2025

Coldest day

1.8 °C

11 Jul 2025

Wettest day

112.3 mm

19 Feb 2025

Windiest day

31.4 km/h

6 Sep 2025

Strongest gust

67.3 km/h

6 Sep 2025

Hottest feels-like

37.1 °C

20 Jan 2025

Coldest feels-like

-1.0 °C

11 Jul 2025

Sunniest day

13.6 h

15 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 Somaroboro?

Somaroboro has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.3 °C and it receives 579 mm of precipitation per year.

What is the hottest day ever recorded in Somaroboro?

The hottest day measured in Somaroboro between 1940 and 2025 was 7 January 2016, reaching 40.7 °C.

What is the coldest day in Somaroboro?

The coldest day measured in Somaroboro between 1940 and 2025 was 28 June 1964, at -1.8 °C.

Does it snow in Somaroboro?

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

Has the climate of Somaroboro warmed?

Yes: Somaroboro warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Somaroboro?

The wettest day measured in Somaroboro between 1940 and 2025 was 19 February 2025, with 112 mm of rain in 24 hours.

What was the windiest day in Somaroboro?

The windiest day measured in Somaroboro between 1940 and 2025 was 23 September 1941, with winds reaching 40.3 km/h.

What is the warmest month in Somaroboro?

The warmest month in Somaroboro is January (23.5 °C on average); the coldest is June (12.7 °C).

How much does it rain in Somaroboro?

Somaroboro receives on average 579 mm of precipitation per year, spread over about 86 rainy days.

Is it sunny in Somaroboro?

Somaroboro gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

What is the biggest single-day snowfall in Somaroboro?

The heaviest 24-hour snowfall measured in Somaroboro between 1940 and 2025 was 7 July 1996, with 0.1 cm.

Are there tropical nights in Somaroboro?

Yes: Somaroboro has on average 27 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Somaroboro?

In Somaroboro, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 11 January 2001, and the lowest was -5.6 °C on 28 June 1964.

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