Vanderbijlpark weather in January

In January, Vanderbijlpark sees average daytime highs of 27°C and overnight lows near 17°C, with 132 mm of rain across 16.1 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 39% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 13 h 42 min at the start of January to 13 h 18 min by month's end. Set against the rest of the year, January is Vanderbijlpark's 11th-clearest and 6th-windiest month. For the whole year in context, see Vanderbijlpark's year-round climate.

Daytime high
27°
1st warmest
Overnight low
17°
12th coldest
Rainfall
132 mm
16.1 wet days
Daylight
13 h 30 min
5:33 AM – 7:03 PM
Cloud cover
51%
11th clearest
Wind
10 km/h
6th windiest
Solar energy
6.75 kWh/m²
Travel score
5.8
out of 10

Vanderbijlpark is town in South Africa.

Density
1,386/km²
people per km²
Founded
1949

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 Vanderbijlpark reaches about 27°C in the afternoon and slips back to 17°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, 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

Vanderbijlpark 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°13216.113.55.8
Feb27° / 16°10412.912.96.1
Mar26° / 15°8611.612.26.8
Apr23° / 11°416.911.47.8
May21° / 183.110.78.3
Jun19° / 81.610.48.1
Jul19° / 40.810.58.3
Aug22° / 122.211.18.7
Sep25° / 11°203.611.88.4
Oct27° / 13°7710.412.66.9
Nov27° / 15°10413.113.36.2
Dec27° / 16°1371713.65.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 26% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66436
76436
86535
96535
106535
116535
126535
136535
146436
156535
166535
176436
186535
196535
206535
216535
226535
236535
246535
256535
266634
276634
286733
296733
306832
316733

Chance of precipitation in January

Any precipitation

Vanderbijlpark gets around 132 mm of rain over 16.1 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 52% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
252
352
451
550
650
749
849
949
1049
1149
1249
1350
1450
1551
1651
1752
1853
1953
2054
2154
2255
2355
2455
2555
2654
2754
2853
2952
3051
3151

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 (%)
1244531
2244532
3244432
4244432
5244431
6244531
7244431
8244431
9254431
10254431
11244432
12244332
13244333
14244334
15234235
16234236
17224137
18224138
19214038
20204039
21204040
22194040
23194040
24194140
25184140
26184140
27184240
28184339
29184438
30184437
31184537

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
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 42 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 24 minutes over January. Sunrise moves from 5:22 AM to 5:44 AM, and sunset from 7:01 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:227:01
213.65:237:02
313.65:247:02
413.65:247:02
513.65:257:02
613.65:257:03
713.65:267:03
813.65:277:03
913.65:287:03
1013.65:287:03
1113.65:297:03
1213.65:307:03
1313.55:307:03
1413.55:317:03
1513.55:327:03
1613.55:337:03
1713.55:337:03
1813.55:347:03
1913.55:357:03
2013.55:367:03
2113.45:367:03
2213.45:377:02
2313.45:387:02
2413.45:397:02
2513.45:407:02
2613.45:407:02
2713.35:417:01
2813.35:427:01
2913.35:437:01
3013.35:437:00
3113.35:447:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.75 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 6.97 kWh/m² in December across the year — January's 6.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
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 Vanderbijlpark

In seasonPeak

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

Vanderbijlpark'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 Vanderbijlpark?

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

5.8
Sightseeing
11th-best month of the year
5.9
Beach & pool
7th-best month of the year

January is a reasonable time to visit Vanderbijlpark for sightseeing.

What to pack for Vanderbijlpark in January

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

In January, Vanderbijlpark sees daytime highs around 27°C and nights near 17°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Vanderbijlpark 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 Vanderbijlpark 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 Vanderbijlpark 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 Vanderbijlpark 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 Vanderbijlpark?

Vanderbijlpark sits at 26.7°S, 27.8°E, 1,485 m above sea level, in South Africa. The nearest listed city is Vereeniging, 10 km away.

Topography around Vanderbijlpark

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

Within 3 km, the terrain around Vanderbijlpark has only modest variations in elevation — a maximum elevation change of 83 m around an average of 1,480 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 610 m.

The land around Vanderbijlpark is covered by artificial surfaces (60%) and grassland (22%) within 3 km, grassland (47%) and cropland (27%) within 16 km, and grassland (53%) and cropland (32%) within 80 km.

3 km
83 m
16 km
238 m
80 km
610 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Vereeniging 10 km · Sasolburg 12 km · Evaton 20 km · Deneysville 33 km · Fochville 42 km · Parys 43 km · Westonaria 48 km · Tokoza 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 Vanderbijlpark (-26.7117°, 27.8379°, elevation 1,485 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).