Ventersdorp weather in January

In January, Ventersdorp sees average daytime highs of 27°C and overnight lows near 17°C, with 106 mm of rain across 15.5 wet days and about 13.5 hours of daylight. It is the 2nd-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 41% 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 12 min by month's end. Set against the rest of the year, January is Ventersdorp's 11th-clearest and 6th-windiest month. For the whole year in context, see Ventersdorp's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
17°
12th coldest
Rainfall
106 mm
15.5 wet days
Daylight
13 h 30 min
5:38 AM – 7:06 PM
Cloud cover
51%
11th clearest
Wind
11 km/h
6th windiest
Solar energy
6.85 kWh/m²
Travel score
5.8
out of 10

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 Ventersdorp 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)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112817
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Ventersdorp weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°10615.513.55.8
Feb27° / 17°10612.912.96.1
Mar26° / 15°7611.612.26.8
Apr23° / 12°406.611.47.8
May21° / 202.810.78.4
Jun19° / 81.410.48.2
Jul19° / 30.810.58.3
Aug22° / 91.611.18.8
Sep25° / 11°152.811.88.6
Oct27° / 14°538.512.67.2
Nov27° / 15°7612.513.36.3
Dec27° / 16°1111613.65.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46535
56535
66535
76634
86634
96634
106634
116634
126634
136535
146535
156535
166535
176436
186436
196436
206436
216436
226436
236436
246436
256436
266535
276634
286634
296634
306733
316733

Chance of precipitation in January

Any precipitation

Ventersdorp gets around 106 mm of rain over 15.5 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 50% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
548
648
748
848
947
1047
1148
1248
1349
1449
1550
1650
1751
1851
1951
2052
2152
2253
2353
2453
2553
2653
2753
2852
2951
3051
3150

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 (%)Muggy (%)
12844270
22844270
32844270
42844270
52844280
62844280
72844280
82844280
92744280
102744290
112644300
122644310
132543310
142443320
152343340
162343340
172243350
182143360
192043370
202043370
211943370
221943380
231943380
241843381
251843381
261943381
271943381
281943371
291943371
301943361
312044361

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 10 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
112calm
212calm
312calm
412calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 36 min at the start of January to 13 h 12 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 5:27 AM to 5:49 AM, and sunset from 7:05 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:277:05
213.65:287:05
313.65:287:05
413.65:297:05
513.65:307:06
613.65:307:06
713.65:317:06
813.65:327:06
913.65:327:06
1013.65:337:06
1113.55:347:06
1213.55:357:06
1313.55:357:06
1413.55:367:07
1513.55:377:07
1613.55:387:06
1713.55:387:06
1813.55:397:06
1913.45:407:06
2013.45:417:06
2113.45:417:06
2213.45:427:06
2313.45:437:06
2413.45:447:05
2513.35:447:05
2613.35:457:05
2713.35:467:05
2813.35:477:04
2913.35:477:04
3013.35:487:04
3113.25:497:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.85 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 7.07 kWh/m² in December across the year — January's 6.85 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in January

Hazard calendar for Ventersdorp

In seasonPeak

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

Ventersdorp'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 Ventersdorp?

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

January is a reasonable time to visit Ventersdorp for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ventersdorp in January

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

In January, Ventersdorp 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 Ventersdorp 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 Ventersdorp peaks around January 13 at about 15 (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 13UV 15Jun 20UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Ventersdorp 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 Ventersdorp is worst in July — around 89 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (December, 18 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1088 µg/m³Dec 2018 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb27Moderate
Mar40Poor
Apr55Unhealthy
May78Unhealthy
Jun88Unhealthy
Jul89Unhealthy
Aug68Unhealthy
Sep59Unhealthy
Oct35Poor
Nov22Moderate
Dec18Moderate
Location & terrain

Where is Ventersdorp?

Ventersdorp sits at 26.3°S, 26.8°E, 1,485 m above sea level, in South Africa. The nearest listed city is Coligny, 50 km away.

Topography around Ventersdorp

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

Within 3 km, the terrain around Ventersdorp has only modest variations in elevation — a maximum elevation change of 80 m around an average of 1,477 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, large variations in elevation — a maximum elevation change of 676 m.

The land around Ventersdorp is covered by grassland (59%) and cropland (21%) within 3 km, grassland (65%) and cropland (32%) within 16 km, and grassland (65%) and cropland (25%) within 80 km.

3 km
80 m
16 km
178 m
80 km
676 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Coligny 50 km · Koster 51 km · Potchefstroom 53 km · Carletonville 58 km · Stilfontein 59 km · Klerksdorp 62 km · Hartbeesfontein 64 km · Lichtenburg 68 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 Ventersdorp (-26.314°, 26.8222°, 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).