Vereeniging weather in January

In January, Vereeniging sees average daytime highs of 27°C and overnight lows near 17°C, with 126 mm of rain across 15.1 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 2nd-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 40% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 13 h 36 min at the start of January to 13 h 18 min by month's end. Set against the rest of the year, January is Vereeniging's 11th-clearest and 6th-windiest month. For the whole year in context, see Vereeniging's year-round climate.

Daytime high
27°
1st warmest
Overnight low
17°
12th coldest
Rainfall
126 mm
15.1 wet days
Daylight
13 h 30 min
5:32 AM – 7:03 PM
Cloud cover
51%
11th clearest
Wind
10 km/h
6th windiest
Solar energy
6.72 kWh/m²
Travel score
6.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Vereeniging reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°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, January runs on par with December and on par with February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Vereeniging weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 24% of January, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66535
76535
86535
96436
106436
116535
126436
136436
146337
156337
166337
176337
186337
196337
206337
216337
226337
236337
246337
256337
266337
276436
286535
296535
306634
316634

Chance of precipitation in January

Any precipitation

Vereeniging gets around 126 mm of rain over 15.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
350
449
548
647
747
846
946
1045
1146
1246
1346
1447
1547
1648
1748
1849
1950
2050
2151
2251
2351
2451
2551
2651
2751
2850
2949
3049
3148

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1214534
2214435
3214435
4214435
5214434
6214434
7214534
8224534
9214533
10214534
11214534
12214434
13214435
14214435
15204336
16204337
17194238
18194239
19184240
20184240
21184141
22174141
23174142
24174142
25174142
26174142
27174241
28174241
29174340
30174339
31174438

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 36 min at the start of January to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 5:22 AM to 5:44 AM, and sunset from 7:01 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:227:01
213.65:237:01
313.65:237:01
413.65:247:02
513.65:257:02
613.65:257:02
713.65:267:02
813.65:277:02
913.65:277:03
1013.65:287:03
1113.65:297:03
1213.65:297:03
1313.55:307:03
1413.55:317:03
1513.55:327:03
1613.55:327:03
1713.55:337:03
1813.55:347:03
1913.55:357:03
2013.45:357:02
2113.45:367:02
2213.45:377:02
2313.45:387:02
2413.45:387:02
2513.45:397:01
2613.45:407:01
2713.35:417:01
2813.35:427:01
2913.35:427:00
3013.35:437:00
3113.35:446:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.72 kWh/m².

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 — January's 6.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in January

Hazard calendar for Vereeniging

In seasonPeak

In January, 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 January a good time to visit Vereeniging?

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

6.0
Sightseeing
11th-best month of the year
6.0
Beach & pool
7th-best month of the year

January is a reasonable time to visit Vereeniging for sightseeing.

What to pack for Vereeniging in January

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

In January, Vereeniging sees daytime highs around 27°C and nights near 17°C. Pack rain gear and sun protection. Worth having: light clothes. About 15 days see rain.

rain gearsun protectionlight clothes

UV index in Vereeniging in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).