Carletonville weather in December

In December, Carletonville sees average daytime highs of 26°C and overnight lows near 16°C, with 136 mm of rain across 17.9 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is Carletonville's 12th-clearest and 5th-windiest month. For the whole year in context, see Carletonville's year-round climate.

Daytime high
26°
1st warmest
Overnight low
16°
10th coldest
Rainfall
136 mm
17.9 wet days
Daylight
13 h 36 min
5:17 AM – 6:56 PM
Cloud cover
56%
12th clearest
Wind
12 km/h
5th windiest
Solar energy
6.93 kWh/m²
Travel score
5.6
out of 10

Carletonville is town in Gauteng, South Africa.

Density
5,188/km²
people per km²
Founded
1960

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Carletonville reaches about 26°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92615
102615
112615
122615
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

Carletonville weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°12716.513.55.8
Feb26° / 16°11813.512.96.1
Mar25° / 14°8611.912.26.8
Apr23° / 11°427.211.47.5
May21° / 182.810.78.2
Jun18° / 81.510.48.0
Jul18° / 40.810.58.1
Aug21° / 101.811.18.6
Sep25° / 11°203.111.88.6
Oct26° / 13°6810.112.67.1
Nov26° / 14°9513.213.36.3
Dec26° / 16°13617.913.65.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of December, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75644
85644
95743
105743
115842
125743
135842
145842
155941
165941
175842
185941
195941
205941
215842
225842
235842
245842
255743
265842
275842
285941
295941
306040
316040

Chance of precipitation in December

Any precipitation

Carletonville gets around 136 mm of rain over 17.9 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 57% and peaks near 59% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
254
355
456
557
657
758
858
959
1059
1159
1259
1358
1458
1558
1657
1757
1857
1956
2056
2156
2257
2357
2457
2557
2657
2757
2857
2956
3056
3156

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the comfortable band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
150428
249438
347448
446468
545478
644479
743489
842499
941509
10405010
11385210
12375211
13365311
14355312
15345412
16335413
17325414
18315415
19305317
20295318
21285319
22285121
23275122
24265123
25255025
26255026
27244926
28244927
29244928
30234828
31234828

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:14 AM to 5:25 AM, and sunset from 6:46 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:146:46
213.55:146:47
313.65:146:48
413.65:146:48
513.65:146:49
613.65:156:50
713.65:156:50
813.65:156:51
913.65:156:52
1013.65:156:52
1113.65:166:53
1213.65:166:54
1313.65:166:54
1413.65:176:55
1513.65:176:55
1613.65:176:56
1713.65:186:56
1813.65:186:57
1913.75:186:58
2013.75:196:58
2113.75:196:59
2213.75:206:59
2313.75:206:59
2413.75:217:00
2513.75:217:00
2613.65:227:01
2713.65:227:01
2813.65:237:02
2913.65:237:02
3013.65:247:02
3113.65:257:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.93 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.93 kWh/m² in December across the year — December's 6.93 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in December

Hazard calendar for Carletonville

In seasonPeak

In December, Carletonville sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Carletonville's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Carletonville?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
12th-best month of the year
5.4
Beach & pool
8th-best month of the year

December is a reasonable time to visit Carletonville for sightseeing.

What to pack for Carletonville in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Carletonville sees daytime highs around 26°C and nights near 16°C. Pack rain gear and sun protection. Worth having: light clothes. About 18 days see rain.

rain gearsun protectionlight clothes

UV index in Carletonville in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Carletonville peaks around January 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 13UV 15Jun 19UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Carletonville in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Carletonville is worst in June — around 283 µg/m³ PM2.5 (very unhealthy), about 5.7× the cleanest month (January, 50 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180210240270300JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyUnhealthyJun 19282 µg/m³Jan 1251 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb72Unhealthy
Mar119Unhealthy
Apr177Very unhealthy
May261Very unhealthy
Jun283Very unhealthy
Jul275Very unhealthy
Aug213Very unhealthy
Sep156Very unhealthy
Oct99Unhealthy
Nov70Unhealthy
Dec55Poor
Location & terrain

Where is Carletonville?

Carletonville sits at 26.4°S, 27.4°E, 1,529 m above sea level, in South Africa. The nearest listed city is Fochville, 17 km away.

Topography around Carletonville

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Carletonville.

Within 3 km, the terrain around Carletonville has only modest variations in elevation — a maximum elevation change of 145 m around an average of 1,530 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 339 m; within 80 km, large variations in elevation — a maximum elevation change of 754 m.

The land around Carletonville is covered by grassland (60%) and artificial surfaces (27%) within 3 km, grassland (67%) and cropland (21%) within 16 km, and grassland (61%) and cropland (22%) within 80 km.

3 km
145 m
16 km
339 m
80 km
754 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Fochville 17 km · Westonaria 25 km · Randfontein 36 km · Bagale 41 km · Soweto 47 km · Krugersdorp 49 km · Evaton 49 km · Potchefstroom 49 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Carletonville (-26.3609°, 27.3977°, elevation 1,529 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).