Alberton weather in December

In December, Alberton sees average daytime highs of 26°C and overnight lows near 15°C, with 138 mm of rain across 18.1 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 26°C through the month. The sky is clear or mostly clear about 28% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is Alberton's 12th-clearest and 5th-windiest month. For the whole year in context, see Alberton's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
15°
10th coldest
Rainfall
138 mm
18.1 wet days
Daylight
13 h 36 min
5:15 AM – 6:53 PM
Cloud cover
58%
12th clearest
Wind
11 km/h
5th windiest
Solar energy
6.82 kWh/m²
Travel score
5.6
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Alberton reaches about 26°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132515
142615
152615
162615
172615
182615
192615
202615
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

Alberton 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
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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 27% of December, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65446
75446
85545
95545
105545
115644
125644
135743
145644
155644
165644
175743
185743
195644
205545
215545
225545
235446
245446
255446
265446
275446
285545
295545
305644
315644

Chance of precipitation in December

Any precipitation

Alberton gets around 138 mm of rain over 18.1 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 58% and peaks near 60% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
256
357
458
559
659
760
860
960
1060
1160
1260
1360
1459
1559
1658
1758
1857
1957
2057
2157
2257
2357
2457
2557
2657
2756
2856
2956
3055
3155

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
148467
246477
345487
444498
542508
641518
739529
838539
937549
10365410
11345610
12335710
13325711
14315811
15305812
16295813
17285814
18275815
19265816
20255817
21245719
22245620
23235621
24225523
25225424
26215425
27215326
28215326
29215227
30215128
31215128

Wind in December

Winds average 11 km/h in December.

Across December, 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
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 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 6:43 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:116:43
213.55:116:44
313.55:126:45
413.65:126:45
513.65:126:46
613.65:126:47
713.65:126:47
813.65:126:48
913.65:126:49
1013.65:136:49
1113.65:136:50
1213.65:136:50
1313.65:146:51
1413.65:146:52
1513.65:146:52
1613.65:156:53
1713.65:156:53
1813.65:156:54
1913.65:166:54
2013.65:166:55
2113.65:176:55
2213.65:176:56
2313.65:186:56
2413.65:186:57
2513.65:196:57
2613.65:196:58
2713.65:206:58
2813.65:206:58
2913.65:216:59
3013.65:216:59
3113.65:226:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.82 kWh/m² — the sunniest month for solar.

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 — December's 6.82 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
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in December

Hazard calendar for Alberton

In seasonPeak

In December, 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 December a good time to visit Alberton?

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

5.6
Sightseeing
12th-best month of the year
5.3
Beach & pool
8th-best month of the year

December is a reasonable time to visit Alberton for sightseeing.

What to pack for Alberton in December

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

In December, Alberton sees daytime highs around 26°C and nights near 15°C. Pack rain gear and sun protection. Worth having: light clothes. About 18 days see rain.

rain gearsun protectionlight clothes

UV index in Alberton 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 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 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 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
December 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).