Klerksdorp climate

Name: Klerksdorp
Address: ZA

Klerksdorp is warmest in December, with average highs of 29 °C, and coldest in July, when nights average 3.0 °C. December is the wettest month (100 mm) and July the driest (3.8 mm). Figures are 1991–2020 climate normals.

Across a full year Klerksdorp averages 569 mm of rain, 194 days above 25 °C and 10 days below freezing.

South Africa · population 227,039 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month December 29 °C
Coldest month July 3.0 °C
Driest month July 4 mm
Wettest month December 100 mm
Least cloud July 12 % cloud
Hottest on record January 40 °C
Coldest on record July -4.0 °C

What to expectKlerksdorp through the year

Klerksdorp has a clear annual cycle: average daily highs run from 19 °C in July to 29 °C in December, a swing of 12 °C in mean temperature across the year.

Counted across a normal year, 194 days a year reach 25 °C, 65 of them reach 30 °C, 10 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in January.

Rain is strongly seasonal. December averages 100 mm against 4 mm in July — 26 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.8 °C	97 mm	45 %
February	28.2 °C	84 mm	43 %
March	26.8 °C	69 mm	38 %
April	24.0 °C	38 mm	33 %
May	21.4 °C	18 mm	20 %
June	18.6 °C	8 mm	14 %
July	18.8 °C	4 mm	12 %
August	22.2 °C	10 mm	15 %
September	26.6 °C	14 mm	22 %
October	28.3 °C	58 mm	34 %
November	28.7 °C	69 mm	42 %
December	29.1 °C	100 mm	46 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	28.8 °C	17.1 °C	22.9 °C	40.1 °C	9.4 °C	27	11	0
February	28.2 °C	16.6 °C	22.3 °C	35.4 °C	11.2 °C	24	8	0
March	26.8 °C	14.8 °C	20.6 °C	34.4 °C	7.2 °C	23	5	0
April	24.0 °C	11.3 °C	17.4 °C	31.9 °C	1.5 °C	11	0	0
May	21.4 °C	7.0 °C	13.9 °C	29.8 °C	-2.9 °C	3	0	0
June	18.6 °C	3.5 °C	10.6 °C	26.1 °C	-3.7 °C	0	0	3
July	18.8 °C	3.0 °C	10.5 °C	27.3 °C	-4.0 °C	0	0	5
August	22.2 °C	5.8 °C	13.8 °C	30.7 °C	-3.5 °C	7	0	1
September	26.6 °C	10.1 °C	18.3 °C	33.6 °C	-0.7 °C	21	6	0
October	28.3 °C	13.3 °C	20.7 °C	36.2 °C	3.9 °C	25	11	0
November	28.7 °C	14.8 °C	21.6 °C	37.4 °C	4.9 °C	25	12	0
December	29.1 °C	16.6 °C	22.7 °C	38.1 °C	5.8 °C	27	12	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	97 mm	14	14 h/day	45 %	61 %	17 km/h
February	84 mm	12	13 h/day	43 %	63 %	16 km/h
March	69 mm	10	12 h/day	38 %	64 %	15 km/h
April	38 mm	6	11 h/day	33 %	63 %	15 km/h
May	18 mm	3	11 h/day	20 %	57 %	14 km/h
June	8 mm	2	10 h/day	14 %	55 %	15 km/h
July	4 mm	1	11 h/day	12 %	50 %	15 km/h
August	10 mm	2	11 h/day	15 %	42 %	18 km/h
September	14 mm	2	12 h/day	22 %	37 %	20 km/h
October	58 mm	8	13 h/day	34 %	45 %	20 km/h
November	69 mm	11	13 h/day	42 %	50 %	20 km/h
December	100 mm	15	14 h/day	46 %	57 %	19 km/h

How Klerksdorp compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Klerksdorp	29 °C	3.0 °C	569 mm	194
Potchefstroom · South Africa	28 °C	3.3 °C	620 mm	186
Carletonville · South Africa	26 °C	2.9 °C	705 mm	135
Westonaria · South Africa	26 °C	3.1 °C	728 mm	117
Evaton · South Africa	26 °C	2.8 °C	731 mm	136
Welkom · South Africa	29 °C	2.1 °C	548 mm	176
Vereeniging · South Africa	27 °C	2.7 °C	708 mm	151

Where Klerksdorp ranks

Ranking	Position	Value
Places with the best weather in Africa in April	21st of 50	94/100
The coolest places in Africa in June	23rd of 50	19 °C
The coolest places in Africa in July	28th of 50	19 °C
The coolest places in Africa in May	34th of 50	21 °C
The coolest places in Africa in August	50th of 50	22 °C

Planning a trip? See the best time to visit Klerksdorp.

QuestionsCommon questions about Klerksdorp’s climate

When is the best time to visit Klerksdorp?

That depends on what you want, so the honest answer is a comparison rather than a single month. March, October, November sit closest to 20 °C on average, December is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Klerksdorp get?

In December, the warmest month, daily highs average 29 °C. About 65 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 3.0 °C in July, the coldest month. A normal year has 10 nights below freezing.

Which month is wettest in Klerksdorp?

December, averaging 100 mm over 15 days with rain. The driest month is July with 4 mm. The year as a whole averages 569 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Klerksdorp rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -26.852°, 26.667° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.