Ulundi climate — normals and trends

Q: What is the climate of Ulundi?

Ulundi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 683 mm of precipitation per year.

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

The hottest day measured in Ulundi between 1940 and 2025 was 24 December 2015, reaching 43.4 °C.

Q: What is the coldest day in Ulundi?

The coldest day measured in Ulundi between 1940 and 2025 was 27 June 1964, at 2.5 °C.

Q: Does it snow in Ulundi?

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

Q: Has the climate of Ulundi warmed?

Yes: Ulundi warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ulundi?

The wettest day measured in Ulundi between 1940 and 2025 was 11 April 2022, with 134 mm of rain in 24 hours.

Q: What was the windiest day in Ulundi?

The windiest day measured in Ulundi between 1940 and 2025 was 31 October 2012, with winds reaching 42.5 km/h.

Q: What is the warmest month in Ulundi?

The warmest month in Ulundi is January (23.5 °C on average); the coldest is June (15.3 °C).

Q: How much does it rain in Ulundi?

Ulundi receives on average 683 mm of precipitation per year, spread over about 108 rainy days.

Q: Is it sunny in Ulundi?

Ulundi gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Ulundi (South Africa) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.9 °C and it receives 683 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 (15.3 °C). Rainfall peaks in December.

Ulundi averages 0 frost days, 91 hot days (≥ 30 °C) and 108 rainy days per year.

Ulundi has warmed by +1.7 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.4 °C (on 24 December 2015) and the coldest 2.5 °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

UlundiKwaZulu-Natal

coords: -28.34°, 31.42°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJuneWettest monthDecemberDriest monthJune

Mean daily temperature

19.9°C

Average daily high

26.4°C

Average daily low

15.1°C

Annual rainfall

683mm

Sunshine / day

9.0h

Mean relative humidity

69%

Average peak wind

16.5km/h

Seasonal range

8.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

91 d/yr

Rainy days (≥ 1 mm)

108 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.5 °C

Average feels-like low

14.9 °C

Average peak gust

36.7 km/h

Tropical nights (≥ 20 °C)

43 d/yr

Solar radiation

16.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °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

43.4 °C

24 December 2015

Coldest day

2.5 °C

27 June 1964

Wettest day

134 mm

11 April 2022

Windiest day

42.5 km/h

31 October 2012

Strongest gust

88.9 km/h

13 July 2004

Hottest feels-like

45.6 °C

26 January 1969

Coldest feels-like

-0.9 °C

27 June 1964

Sunniest day

13.8 h

25 December 2007

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.1 °C22 September 2025	4.1 °C29 July 2025	20.5 °C	817 mm	84
2024	40.1 °C12 December 2024	4.9 °C10 June 2024	21.1 °C	689 mm	114
2023	40.8 °C30 September 2023	6.2 °C28 August 2023	20.5 °C	794 mm	105
2022	38.2 °C6 October 2022	3.0 °C17 June 2022	20.3 °C	897 mm	91
2021	41.4 °C14 October 2021	3.4 °C23 July 2021	19.9 °C	791 mm	84
2020	41.4 °C8 November 2020	3.7 °C14 June 2020	20.5 °C	587 mm	114
2019	39.0 °C27 October 2019	6.2 °C15 June 2019	20.8 °C	590 mm	104
2018	38.6 °C18 December 2018	5.6 °C5 July 2018	20.1 °C	605 mm	94
2017	41.0 °C2 February 2017	7.0 °C21 August 2017	20.5 °C	677 mm	108
2016	40.0 °C20 February 2016	4.1 °C10 August 2016	20.9 °C	593 mm	126
2015	43.4 °C24 December 2015	5.7 °C1 August 2015	21.4 °C	484 mm	140
2014	39.0 °C25 December 2014	3.8 °C10 July 2014	20.4 °C	497 mm	104
2013	38.3 °C11 October 2013	5.6 °C11 June 2013	19.9 °C	694 mm	84
2012	38.5 °C25 August 2012	6.2 °C8 August 2012	20.5 °C	751 mm	102
2011	37.6 °C4 November 2011	4.5 °C2 July 2011	20.1 °C	629 mm	99
2010	39.9 °C19 January 2010	3.8 °C17 June 2010	20.7 °C	585 mm	104
2009	39.6 °C9 January 2009	5.4 °C30 June 2009	19.9 °C	631 mm	88
2008	41.7 °C2 October 2008	5.9 °C14 July 2008	20.1 °C	390 mm	112
2007	39.5 °C20 February 2007	3.7 °C24 May 2007	20.2 °C	442 mm	122
2006	39.2 °C19 February 2006	5.1 °C24 June 2006	20.2 °C	663 mm	108
2005	39.4 °C2 November 2005	4.6 °C17 June 2005	20.4 °C	588 mm	103
2004	41.4 °C7 October 2004	5.2 °C19 July 2004	20.4 °C	583 mm	107
2003	42.0 °C5 October 2003	4.0 °C22 August 2003	20.6 °C	484 mm	131
2002	39.6 °C17 January 2002	5.8 °C3 June 2002	20.4 °C	533 mm	116
2001	38.7 °C10 September 2001	7.5 °C24 July 2001	20.2 °C	604 mm	80
2000	35.4 °C13 September 2000	4.5 °C17 July 2000	19.3 °C	902 mm	46
1999	38.3 °C18 November 1999	6.7 °C9 June 1999	20.7 °C	764 mm	106
1998	39.9 °C24 September 1998	5.2 °C9 June 1998	20.1 °C	643 mm	76
1997	39.1 °C5 October 1997	5.5 °C9 July 1997	19.5 °C	786 mm	80
1996	39.3 °C11 September 1996	4.2 °C5 June 1996	19.2 °C	777 mm	60
1995	40.8 °C28 January 1995	3.5 °C19 July 1995	19.2 °C	842 mm	72
1994	38.2 °C17 September 1994	4.4 °C6 July 1994	19.8 °C	512 mm	112
1993	41.4 °C7 February 1993	5.6 °C5 June 1993	20.3 °C	625 mm	104
1992	41.3 °C13 January 1992	3.9 °C27 June 1992	20.9 °C	419 mm	144
1991	41.5 °C3 March 1991	3.1 °C29 July 1991	20.3 °C	563 mm	124
1990	41.6 °C6 January 1990	3.9 °C24 June 1990	19.6 °C	651 mm	84
1989	40.1 °C5 October 1989	4.7 °C5 August 1989	20.0 °C	726 mm	100
1988	40.9 °C26 September 1988	4.7 °C6 July 1988	20.1 °C	690 mm	113
1987	39.7 °C19 February 1987	3.3 °C21 June 1987	20.0 °C	812 mm	102
1986	39.5 °C16 December 1986	6.1 °C23 June 1986	20.2 °C	685 mm	104
1985	39.4 °C12 January 1985	5.9 °C19 July 1985	20.4 °C	722 mm	112
1984	41.7 °C28 December 1984	5.2 °C5 July 1984	19.2 °C	819 mm	69
1983	40.7 °C4 February 1983	4.1 °C7 July 1983	20.6 °C	487 mm	128
1982	41.1 °C18 December 1982	4.4 °C9 June 1982	20.0 °C	469 mm	96
1981	42.4 °C5 November 1981	4.7 °C10 June 1981	19.7 °C	505 mm	102
1980	39.3 °C15 February 1980	4.1 °C11 July 1980	20.1 °C	465 mm	116
1979	40.9 °C7 February 1979	4.8 °C15 June 1979	20.1 °C	647 mm	119
1978	38.9 °C7 December 1978	5.4 °C23 June 1978	19.9 °C	724 mm	94
1977	41.7 °C14 January 1977	5.3 °C5 July 1977	20.2 °C	824 mm	87
1976	40.6 °C24 November 1976	3.6 °C21 June 1976	19.4 °C	864 mm	77
1975	36.8 °C15 October 1975	3.1 °C25 July 1975	19.1 °C	999 mm	54
1974	40.4 °C13 October 1974	6.3 °C5 September 1974	20.2 °C	757 mm	109
1973	40.5 °C22 January 1973	4.8 °C12 August 1973	19.5 °C	938 mm	94
1972	38.7 °C29 December 1972	4.3 °C2 August 1972	19.8 °C	728 mm	99
1971	38.8 °C25 December 1971	4.2 °C18 June 1971	19.8 °C	713 mm	104
1970	39.8 °C13 December 1970	3.6 °C24 July 1970	19.9 °C	813 mm	115
1969	42.1 °C26 January 1969	5.0 °C24 July 1969	19.9 °C	683 mm	101
1968	38.9 °C29 December 1968	3.5 °C14 June 1968	18.6 °C	623 mm	67
1967	38.6 °C29 September 1967	4.6 °C10 July 1967	19.9 °C	548 mm	98
1966	40.2 °C17 January 1966	5.3 °C21 July 1966	20.1 °C	504 mm	111
1965	38.6 °C10 February 1965	4.4 °C22 June 1965	19.9 °C	511 mm	118
1964	38.7 °C15 February 1964	2.5 °C27 June 1964	19.8 °C	713 mm	111
1963	39.1 °C29 December 1963	5.0 °C25 June 1963	20.0 °C	706 mm	118
1962	41.3 °C12 November 1962	6.9 °C12 July 1962	20.3 °C	605 mm	114
1961	40.3 °C2 February 1961	5.4 °C8 August 1961	19.8 °C	751 mm	100
1960	37.9 °C11 March 1960	5.1 °C20 July 1960	19.8 °C	882 mm	104
1959	39.4 °C27 November 1959	4.0 °C22 June 1959	19.8 °C	720 mm	103
1958	40.4 °C26 September 1958	4.3 °C17 June 1958	20.0 °C	735 mm	101
1957	35.7 °C17 November 1957	4.9 °C4 August 1957	19.6 °C	926 mm	61
1956	39.0 °C5 October 1956	3.8 °C14 June 1956	19.2 °C	835 mm	80
1955	37.1 °C9 November 1955	3.7 °C9 August 1955	18.2 °C	696 mm	38
1954	36.9 °C7 October 1954	3.5 °C23 July 1954	17.5 °C	604 mm	34
1953	36.2 °C9 October 1953	5.5 °C31 July 1953	19.5 °C	676 mm	61
1952	37.6 °C22 October 1952	7.4 °C2 August 1952	19.8 °C	848 mm	64
1951	41.6 °C8 October 1951	4.5 °C11 July 1951	19.0 °C	699 mm	61
1950	37.2 °C11 November 1950	6.2 °C27 May 1950	19.2 °C	819 mm	52
1949	37.6 °C19 September 1949	5.6 °C7 June 1949	18.6 °C	592 mm	30
1948	37.9 °C4 October 1948	6.1 °C3 September 1948	18.9 °C	744 mm	47
1947	39.9 °C7 October 1947	4.9 °C4 July 1947	18.9 °C	595 mm	53
1946	37.8 °C11 December 1946	4.9 °C29 July 1946	18.9 °C	726 mm	56
1945	36.2 °C17 December 1945	4.8 °C27 June 1945	18.9 °C	710 mm	39
1944	36.2 °C30 December 1944	4.1 °C10 July 1944	18.3 °C	770 mm	26
1943	35.3 °C23 November 1943	5.6 °C22 July 1943	18.2 °C	866 mm	31
1942	36.8 °C3 January 1942	3.5 °C24 July 1942	18.8 °C	903 mm	47
1941	38.8 °C7 October 1941	4.7 °C20 June 1941	20.0 °C	406 mm	101
1940	39.6 °C15 November 1940	3.7 °C15 July 1940	19.2 °C	841 mm	61

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

26.6 °C

+0.2 °C

Hot days (≥ 30 °C)

84 d/yr

-7

Frost days (< 0 °C)

0 d/yr

Annual rainfall

817 mm

+134 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.2 °C	0.0 °C	144 mm	+45 mm
Feb	28.1 °C	-0.9 °C	86 mm	-7 mm
Mar	28.6 °C	+0.2 °C	65 mm	-9 mm
Apr	25.4 °C	-1.2 °C	123 mm	+72 mm
May	25.5 °C	+0.4 °C	7 mm	-14 mm
Jun	24.7 °C	+1.4 °C	14 mm	+2 mm
Jul	24.0 °C	+0.7 °C	11 mm	-1 mm
Aug	26.9 °C	+2.3 °C	4 mm	-18 mm
Sep	26.4 °C	+0.6 °C	92 mm	+52 mm
Oct	25.7 °C	-0.4 °C	31 mm	-38 mm
Nov	26.9 °C	0.0 °C	114 mm	+24 mm
Dec	27.7 °C	-0.7 °C	126 mm	+26 mm

The year's extremes

Hottest day

37.1 °C

22 Sep 2025

Coldest day

4.1 °C

29 Jul 2025

Wettest day

45.1 mm

6 Jan 2025

Windiest day

33.7 km/h

22 Sep 2025

Strongest gust

69.8 km/h

10 Jun 2025

Hottest feels-like

41.8 °C

4 Jan 2025

Coldest feels-like

1.4 °C

29 Jul 2025

Sunniest day

13.7 h

19 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 Ulundi?

Ulundi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 683 mm of precipitation per year.

What is the hottest day ever recorded in Ulundi?

The hottest day measured in Ulundi between 1940 and 2025 was 24 December 2015, reaching 43.4 °C.

What is the coldest day in Ulundi?

The coldest day measured in Ulundi between 1940 and 2025 was 27 June 1964, at 2.5 °C.

Does it snow in Ulundi?

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

Has the climate of Ulundi warmed?

Yes: Ulundi warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ulundi?

The wettest day measured in Ulundi between 1940 and 2025 was 11 April 2022, with 134 mm of rain in 24 hours.

What was the windiest day in Ulundi?

The windiest day measured in Ulundi between 1940 and 2025 was 31 October 2012, with winds reaching 42.5 km/h.

What is the warmest month in Ulundi?

The warmest month in Ulundi is January (23.5 °C on average); the coldest is June (15.3 °C).

How much does it rain in Ulundi?

Ulundi receives on average 683 mm of precipitation per year, spread over about 108 rainy days.

Is it sunny in Ulundi?

Ulundi gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Are there tropical nights in Ulundi?

Yes: Ulundi has on average 43 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ulundi?

In Ulundi, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 26 January 1969, and the lowest was -0.9 °C on 27 June 1964.

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