Carletonville climate

Name: Carletonville
Address: ZA

Carletonville is warmest in October, with average highs of 26 °C, and coldest in July, when nights average 2.9 °C. December is the wettest month (129 mm) and July the driest (3.2 mm). Figures are 1991–2020 climate normals.

Across a full year Carletonville averages 705 mm of rain, 135 days above 25 °C and 8 days below freezing.

South Africa · population 182,304 · 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 October 26 °C
Coldest month July 2.9 °C
Driest month July 3 mm
Wettest month December 129 mm
Least cloud July 12 % cloud
Hottest on record January 38 °C
Coldest on record July -4.3 °C

What to expectCarletonville through the year

Carletonville has a clear annual cycle: average daily highs run from 18 °C in July to 26 °C in October, a swing of 11 °C in mean temperature across the year.

Counted across a normal year, 135 days a year reach 25 °C, 21 of them reach 30 °C, 8 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in January.

Rain is strongly seasonal. December averages 129 mm against 3 mm in July — 41 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	26.2 °C	119 mm	50 %
February	25.8 °C	117 mm	47 %
March	24.5 °C	85 mm	41 %
April	22.1 °C	42 mm	35 %
May	19.9 °C	19 mm	20 %
June	17.4 °C	8 mm	14 %
July	17.6 °C	3 mm	12 %
August	20.8 °C	10 mm	16 %
September	25.0 °C	19 mm	23 %
October	26.3 °C	65 mm	38 %
November	26.1 °C	89 mm	48 %
December	26.3 °C	129 mm	52 %

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	26.2 °C	15.8 °C	20.9 °C	37.6 °C	7.6 °C	20	3	0
February	25.8 °C	15.5 °C	20.5 °C	33.9 °C	9.1 °C	17	2	0
March	24.5 °C	13.8 °C	19.0 °C	32.0 °C	5.7 °C	13	1	0
April	22.1 °C	10.6 °C	16.2 °C	29.1 °C	1.1 °C	4	0	0
May	19.9 °C	6.8 °C	13.1 °C	28.4 °C	-3.8 °C	1	0	0
June	17.4 °C	3.6 °C	10.1 °C	24.9 °C	-4.2 °C	0	0	2
July	17.6 °C	2.9 °C	9.9 °C	25.2 °C	-4.3 °C	0	0	4
August	20.8 °C	5.8 °C	13.1 °C	28.5 °C	-4.1 °C	3	0	1
September	25.0 °C	9.8 °C	17.4 °C	32.4 °C	-0.5 °C	17	1	0
October	26.3 °C	12.5 °C	19.3 °C	34.9 °C	3.8 °C	20	5	0
November	26.1 °C	13.8 °C	19.8 °C	35.4 °C	4.3 °C	19	4	0
December	26.3 °C	15.3 °C	20.6 °C	35.3 °C	5.1 °C	20	4	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	119 mm	16	14 h/day	50 %	67 %	17 km/h
February	117 mm	13	13 h/day	47 %	68 %	16 km/h
March	85 mm	12	12 h/day	41 %	67 %	16 km/h
April	42 mm	7	11 h/day	35 %	64 %	15 km/h
May	19 mm	3	11 h/day	20 %	56 %	15 km/h
June	8 mm	1	10 h/day	14 %	54 %	16 km/h
July	3 mm	1	11 h/day	12 %	49 %	16 km/h
August	10 mm	2	11 h/day	16 %	43 %	19 km/h
September	19 mm	3	12 h/day	23 %	39 %	20 km/h
October	65 mm	10	13 h/day	38 %	49 %	21 km/h
November	89 mm	13	13 h/day	48 %	57 %	20 km/h
December	129 mm	17	14 h/day	52 %	64 %	19 km/h

How Carletonville 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
Carletonville	26 °C	2.9 °C	705 mm	135
Westonaria · South Africa	26 °C	3.1 °C	728 mm	117
Soweto · South Africa	25 °C	2.8 °C	729 mm	102
Krugersdorp · South Africa	25 °C	2.6 °C	664 mm	92
Evaton · South Africa	26 °C	2.8 °C	731 mm	136
Potchefstroom · South Africa	28 °C	3.3 °C	620 mm	186
Vereeniging · South Africa	27 °C	2.7 °C	708 mm	151

Where Carletonville ranks

Ranking	Position	Value
The coolest places in Africa in June	13th of 50	17 °C
The coolest places in Africa in May	13th of 50	20 °C
The coolest places in Africa in July	15th of 50	18 °C
Places with the best weather in Africa in April	23rd of 50	94/100
The coolest places in Africa in August	33rd of 50	21 °C
Places with the best weather in Africa in September	37th of 50	90/100

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

QuestionsCommon questions about Carletonville’s climate

When is the best time to visit Carletonville?

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

How hot does Carletonville get?

In October, the warmest month, daily highs average 26 °C. About 21 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 2.9 °C in July, the coldest month. A normal year has 8 nights below freezing.

Which month is wettest in Carletonville?

December, averaging 129 mm over 17 days with rain. The driest month is July with 3 mm. The year as a whole averages 705 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 Carletonville 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: -26.361°, 27.398° (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.