Vereeniging weather in December

In December, Vereeniging sees average daytime highs of 27°C and overnight lows near 16°C, with 137 mm of rain across 16.3 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is Vereeniging's 12th-clearest and 5th-windiest month. For the whole year in context, see Vereeniging's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
16°
10th coldest
Rainfall
137 mm
16.3 wet days
Daylight
13 h 42 min
5:14 AM – 6:54 PM
Cloud cover
54%
12th clearest
Wind
12 km/h
5th windiest
Solar energy
6.94 kWh/m²
Travel score
5.8
out of 10

Vereeniging is city in Gauteng province, South Africa.

Density
25/km²
people per km²
Founded
1892

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 27°C through the month.

A typical December day in Vereeniging reaches about 27°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 23°C and 31°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
72616
82616
92616
102616
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272717
282717
292717
302717
312717

Vereeniging weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°12615.113.56.0
Feb27° / 16°9712.312.96.3
Mar25° / 15°8210.812.26.9
Apr23° / 11°406.811.47.8
May21° / 173.110.78.3
Jun19° / 81.610.48.1
Jul19° / 40.910.58.2
Aug22° / 122.211.18.6
Sep25° / 11°203.711.88.4
Oct26° / 13°751012.67.0
Nov26° / 15°10312.813.36.3
Dec27° / 16°13716.313.65.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65842
75941
85941
95941
106040
116040
126040
136139
146040
156040
166139
176139
186139
196139
206139
216040
225941
235941
246040
256040
266040
276139
286139
296238
306238
316337

Chance of precipitation in December

Any precipitation

Vereeniging gets around 137 mm of rain over 16.3 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 52% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
151
252
353
454
555
655
755
855
955
1055
1154
1254
1353
1452
1551
1651
1750
1849
1949
2049
2150
2250
2350
2451
2551
2651
2751
2851
2951
3051
3151

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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
149447
247458
346468
444488
542499
641509
740519
8385210
9375310
10365410
11355411
12345511
13345511
14335512
15325513
16315613
17315514
18305416
19295417
20285319
21275320
22265222
23255124
24245125
25244927
26234929
27224830
28224731
29214632
30214633
31214534

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
312light breeze
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 42 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 5:11 AM to 5:22 AM, and sunset from 6:45 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:116:45
213.65:116:45
313.65:126:46
413.65:126:47
513.65:126:48
613.65:126:48
713.65:126:49
813.65:126:50
913.65:126:50
1013.65:136:51
1113.65:136:51
1213.65:136:52
1313.75:136:53
1413.75:146:53
1513.75:146:54
1613.75:146:54
1713.75:156:55
1813.75:156:56
1913.75:166:56
2013.75:166:57
2113.75:166:57
2213.75:176:58
2313.75:176:58
2413.75:186:58
2513.75:186:59
2613.75:196:59
2713.75:207:00
2813.75:207:00
2913.75:217:00
3013.75:217:01
3113.75:227:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.94 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 6.94 kWh/m² in December across the year — December's 6.94 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
287.0Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in December

Hazard calendar for Vereeniging

In seasonPeak

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

Vereeniging'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 Vereeniging?

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

5.8
Sightseeing
12th-best month of the year
5.8
Beach & pool
8th-best month of the year

December is a reasonable time to visit Vereeniging for sightseeing.

What to pack for Vereeniging in December

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

In December, Vereeniging sees daytime highs around 27°C and nights near 16°C. Pack rain gear and sun protection. Worth having: light clothes. About 16 days see rain.

rain gearsun protectionlight clothes

UV index in Vereeniging 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 Vereeniging peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 14UV 14Jun 20UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep9Very high
Oct10Very high
Nov12Extreme
Dec14Extreme

Air quality in Vereeniging 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 Vereeniging is worst in July — around 103 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (January, 24 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 11103 µg/m³Jan 1124 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb32Moderate
Mar48Poor
Apr64Unhealthy
May88Unhealthy
Jun100Unhealthy
Jul103Unhealthy
Aug83Unhealthy
Sep65Unhealthy
Oct44Poor
Nov31Moderate
Dec25Moderate
Location & terrain

Where is Vereeniging?

Vereeniging sits at 26.7°S, 27.9°E, 1,445 m above sea level, in South Africa. The nearest listed city is Vanderbijlpark, 10 km away.

Topography around Vereeniging

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

Within 3 km, the terrain around Vereeniging has only modest variations in elevation — a maximum elevation change of 59 m around an average of 1,439 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 238 m; within 80 km, large variations in elevation — a maximum elevation change of 606 m.

The land around Vereeniging is covered by grassland (40%) and artificial surfaces (36%) within 3 km, grassland (46%) and cropland (28%) within 16 km, and grassland (52%) and cropland (33%) within 80 km.

3 km
59 m
16 km
238 m
80 km
606 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Vanderbijlpark 10 km · Evaton 17 km · Sasolburg 19 km · Deneysville 30 km · Tokoza 40 km · Soweto 46 km · Heidelberg 47 km · Fochville 48 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 Vereeniging (-26.6731°, 27.9261°, elevation 1,445 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).