Hartbeestfontein-A weather in December

In December, Hartbeestfontein-A sees average daytime highs of 30°C and overnight lows near 19°C, with 111 mm of rain across 13.9 wet days and about 13.6 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 39% of the time in December, and the air most often feels humid.

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 Hartbeestfontein-A's 12th-clearest and 5th-windiest month. For the whole year in context, see Hartbeestfontein-A's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
111 mm
13.9 wet days
Daylight
13 h 36 min
5:19 AM – 6:53 PM
Cloud cover
53%
12th clearest
Wind
8 km/h
5th windiest
Solar energy
6.76 kWh/m²
Travel score
4.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Hartbeestfontein-A reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52918
62918
72919
82919
92919
102919
112919
122919
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293020
303020
313020

Hartbeestfontein-A weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°9512.713.44.9
Feb30° / 20°861012.95.2
Mar28° / 18°738.812.26.3
Apr26° / 14°365.611.47.8
May24° / 10°182.410.89.0
Jun21° / 6110.48.8
Jul21° / 30.510.68.9
Aug24° / 51.211.19.2
Sep28° / 14°141.811.87.7
Oct30° / 16°527.212.65.9
Nov30° / 18°8110.813.25.2
Dec30° / 19°11113.913.64.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65842
75941
85941
96040
106040
116040
126139
136139
146139
156238
166238
176238
186238
196139
206139
216139
226139
236139
246040
256139
266139
276139
286337
296337
306337
316436

Chance of precipitation in December

Any precipitation

Hartbeestfontein-A gets around 111 mm of rain over 13.9 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
244
344
445
545
646
746
846
946
1046
1145
1245
1345
1444
1544
1643
1743
1843
1943
2043
2143
2243
2343
2443
2543
2642
2742
2842
2941
3041
3140

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12737342
22537352
32438363
42338373
52138383
62038393
71938403
81837423
91737433
101637443
111536453
121436464
131435474
141335484
151234495
161234495
171133506
181133507
191032508
201031509
2110305010
229305011
239295012
248295013
258285014
268285014
278284915
288284915
298284916
308284816
318284816

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:16 AM to 5:26 AM, and sunset from 6:44 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:166:44
213.55:166:45
313.55:166:45
413.55:166:46
513.55:166:47
613.55:166:47
713.55:166:48
813.55:166:49
913.55:176:49
1013.55:176:50
1113.65:176:50
1213.65:176:51
1313.65:186:52
1413.65:186:52
1513.65:186:53
1613.65:196:53
1713.65:196:54
1813.65:206:55
1913.65:206:55
2013.65:206:56
2113.65:216:56
2213.65:216:57
2313.65:226:57
2413.65:226:57
2513.65:236:58
2613.65:236:58
2713.65:246:59
2813.65:246:59
2913.65:256:59
3013.65:267:00
3113.65:267:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.76 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.76 kWh/m² in December across the year — December's 6.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in December

Hazard calendar for Hartbeestfontein-A

In seasonPeak

In December, Hartbeestfontein-A sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Hartbeestfontein-A'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 Hartbeestfontein-A?

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

4.9
Sightseeing
11th-best month of the year
6.5
Beach & pool
10th-best month of the year

December is a reasonable time to visit Hartbeestfontein-A for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hartbeestfontein-A in December

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

In December, Hartbeestfontein-A sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 14 days see rain.

light clothessun protectionrain gear

UV index in Hartbeestfontein-A 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 Hartbeestfontein-A peaks around January 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 10UV 14Jun 17UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Hartbeestfontein-A 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 Hartbeestfontein-A is worst in June — around 166 µg/m³ PM2.5 (very unhealthy), about 6.5× the cleanest month (January, 26 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyVery unhealthyUnhealthyPoorModerateJun 21166 µg/m³Jan 1126 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb40Poor
Mar62Unhealthy
Apr103Unhealthy
May152Very unhealthy
Jun166Very unhealthy
Jul164Very unhealthy
Aug125Unhealthy
Sep93Unhealthy
Oct53Poor
Nov38Poor
Dec28Moderate
Location & terrain

Where is Hartbeestfontein-A?

Hartbeestfontein-A sits at 25.4°S, 27.5°E, 1,117 m above sea level, in South Africa. The nearest listed city is Marikana, 29 km away.

Topography around Hartbeestfontein-A

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

Within 3 km, the terrain around Hartbeestfontein-A has only modest variations in elevation — a maximum elevation change of 129 m around an average of 1,083 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, large variations in elevation — a maximum elevation change of 939 m.

The land around Hartbeestfontein-A is covered by grassland (48%) and shrubs (29%) within 3 km, grassland (40%) and shrubs (39%) within 16 km, and grassland (41%) and shrubs (33%) within 80 km.

3 km
129 m
16 km
241 m
80 km
939 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Marikana 29 km · Letlhabile 33 km · Brits 35 km · Rustenburg 37 km · Hartbeespoort 48 km · Ga-Rankuwa 52 km · Mabopane 56 km · Soshanguve 59 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 Hartbeestfontein-A (-25.4414°, 27.5111°, elevation 1,117 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).