Alberton weather in January

In January, Alberton sees average daytime highs of 26°C and overnight lows near 16°C, with 132 mm of rain across 16.3 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 26°C through the month. The sky is clear or mostly clear about 34% 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 Alberton's 11th-clearest and 8th-windiest month. For the whole year in context, see Alberton's year-round climate.

Daytime high
26°
1st warmest
Overnight low
16°
12th coldest
Rainfall
132 mm
16.3 wet days
Daylight
13 h 30 min
5:32 AM – 7:01 PM
Cloud cover
54%
11th clearest
Wind
10 km/h
8th windiest
Solar energy
6.64 kWh/m²
Travel score
5.9
out of 10

Alberton is town in Gauteng, South Africa.

Density
1,575/km²
people per km²

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 26°C through the month.

A typical January day in Alberton reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

Alberton 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
Jan26° / 16°13216.313.55.9
Feb25° / 15°1101412.96.1
Mar24° / 14°8912.712.26.7
Apr22° / 11°457.311.47.4
May20° / 172.910.78.1
Jun18° / 81.310.47.9
Jul18° / 30.810.58.0
Aug21° / 10211.18.5
Sep24° / 10°233.711.88.5
Oct25° / 13°7510.712.67.0
Nov25° / 14°1001413.36.2
Dec26° / 15°13818.113.65.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75743
85743
95743
105842
115743
125842
135743
145743
155743
165743
175842
185842
195842
205842
215842
225842
235842
245842
255842
265842
275941
285941
295941
306040
316040

Chance of precipitation in January

Any precipitation

Alberton gets around 132 mm of rain over 16.3 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 53% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
254
354
453
553
652
752
851
951
1051
1151
1251
1351
1451
1551
1652
1752
1852
1953
2053
2154
2254
2354
2454
2554
2654
2754
2854
2953
3053
3152

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 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1215029
2215029
3215029
4215029
5225028
6225028
7225028
8215029
9215029
10215029
11215030
12204930
13204931
14204931
15194932
16194833
17184833
18184834
19174835
20174835
21164836
22164836
23164836
24164836
25164836
26164836
27164836
28164836
29164935
30164935
31174934

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
299calm
309calm
319calm

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 5:22 AM to 5:44 AM, and sunset from 6:59 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:226:59
213.65:237:00
313.65:237:00
413.65:247:00
513.65:257:00
613.65:257:00
713.65:267:01
813.65:277:01
913.65:277:01
1013.55:287:01
1113.55:297:01
1213.55:297:01
1313.55:307:01
1413.55:317:01
1513.55:327:01
1613.55:327:01
1713.55:337:01
1813.55:347:01
1913.45:357:01
2013.45:357:01
2113.45:367:01
2213.45:377:01
2313.45:387:00
2413.45:387:00
2513.35:397:00
2613.35:407:00
2713.35:416:59
2813.35:416:59
2913.35:426:59
3013.35:436:58
3113.25:446:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.64 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.82 kWh/m² in December across the year — January's 6.64 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in January

Hazard calendar for Alberton

In seasonPeak

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

Alberton'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 Alberton?

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

5.9
Sightseeing
11th-best month of the year
5.5
Beach & pool
6th-best month of the year

January is a reasonable time to visit Alberton for sightseeing.

What to pack for Alberton in January

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

In January, Alberton sees daytime highs around 26°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 Alberton 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 Alberton peaks around January 13 at about 14 (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 14Jun 19UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Alberton 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 Alberton 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 Alberton?

Alberton sits at 26.3°S, 28.1°E, 1,574 m above sea level, in South Africa. The nearest listed city is Germiston, 7.0 km away.

Topography around Alberton

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

Within 3 km, the terrain around Alberton has only modest variations in elevation — a maximum elevation change of 178 m around an average of 1,599 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 330 m; within 80 km, large variations in elevation — a maximum elevation change of 827 m.

The land around Alberton is covered by artificial surfaces (62%) and grassland (24%) within 3 km, artificial surfaces (48%) and grassland (31%) within 16 km, and grassland (53%) and cropland (26%) within 80 km.

3 km
178 m
16 km
330 m
80 km
827 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Germiston 7.0 km · Tokoza 10 km · Johannesburg 11 km · Edenvale 14 km · Boksburg 15 km · Alexandra 18 km · Benoni 22 km · Randburg 23 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 Alberton (-26.2679°, 28.1223°, elevation 1,574 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).