Viljoenskroon weather in December

In December, Viljoenskroon sees average daytime highs of 29°C and overnight lows near 17°C, with 104 mm of rain across 14.3 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is Viljoenskroon's 12th-clearest and 4th-windiest month. For the whole year in context, see Viljoenskroon's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
17°
10th coldest
Rainfall
104 mm
14.3 wet days
Daylight
13 h 42 min
5:17 AM – 7:00 PM
Cloud cover
49%
12th clearest
Wind
12 km/h
4th windiest
Solar energy
7.26 kWh/m²
Travel score
5.0
out of 10

Viljoenskroon is place in Free State, South Africa.

Density
3,070/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 29°C through the month.

A typical December day in Viljoenskroon reaches about 29°C in the afternoon and slips back to 17°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12916
22916
32916
42916
52916
62916
72916
82916
92916
102916
112916
122916
132917
142917
152917
162917
173017
183017
193017
203017
213017
223017
233017
243017
253017
263017
273017
283017
293017
303017
313017

How December really feels in Viljoenskroon

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Viljoenskroon 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
Jan29° / 18°1001413.55.0
Feb29° / 17°8012.1135.4
Mar27° / 15°7010.912.26.5
Apr25° / 11°426.811.47.8
May22° / 203.210.78.5
Jun19° / 111.610.38.2
Jul19° / 60.910.58.4
Aug22° / 141.9118.8
Sep26° / 10°163.111.88.3
Oct28° / 13°629.112.76.8
Nov29° / 15°7311.213.35.7
Dec29° / 17°10414.313.75.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56634
66634
76634
86733
96733
106832
116931
126931
136931
147030
157129
167129
177228
187228
197228
207129
217030
227030
237030
247030
256931
266931
276931
286931
296931
306832
316931

Chance of precipitation in December

Any precipitation

Viljoenskroon gets around 104 mm of rain over 14.3 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 46% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
243
344
445
545
646
746
846
946
1046
1146
1246
1346
1446
1546
1646
1746
1846
1946
2046
2146
2246
2346
2446
2546
2646
2746
2846
2946
3045
3145

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1593650
2583750
3563950
4534160
5524260
6504460
7494560
8484570
9474670
10464770
11454780
12454780
13444790
14444790
154446100
164346110
174345121
184244131
194244141
204143151
214043161
224042171
233942181
243842191
253741202
263641212
273641222
283540232
293540232
303539242
313539242

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 42 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 5:14 AM to 5:25 AM, and sunset from 6:50 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:146:50
213.65:146:50
313.65:146:51
413.65:146:52
513.65:146:53
613.65:156:53
713.75:156:54
813.75:156:55
913.75:156:55
1013.75:156:56
1113.75:166:57
1213.75:166:57
1313.75:166:58
1413.75:166:58
1513.75:176:59
1613.75:177:00
1713.75:187:00
1813.75:187:01
1913.75:187:01
2013.75:197:02
2113.75:197:02
2213.75:207:03
2313.75:207:03
2413.75:217:04
2513.75:217:04
2613.75:227:04
2713.75:227:05
2813.75:237:05
2913.75:237:06
3013.75:247:06
3113.75:257:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 7.26 kWh/m² in December across the year — December's 7.26 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.4Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.3Intense
277.3Intense
287.3Intense
297.3Intense
307.3Intense
317.2Intense
Planning a trip in December

Hazard calendar for Viljoenskroon

In seasonPeak

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

Viljoenskroon'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 Viljoenskroon?

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

5.0
Sightseeing
11th-best month of the year
6.5
Beach & pool
8th-best month of the year

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

What to pack for Viljoenskroon in December

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

In December, Viljoenskroon sees daytime highs around 29°C and nights near 17°C. Pack light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Viljoenskroon 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 Viljoenskroon 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 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 13UV 15Jun 20UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5High
Aug7Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Viljoenskroon 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 Viljoenskroon is worst in June — around 57 µg/m³ PM2.5 (unhealthy), about 4.6× the cleanest month (December, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 2257 µg/m³Dec 1913 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb19Moderate
Mar26Moderate
Apr34Moderate
May48Poor
Jun57Unhealthy
Jul56Unhealthy
Aug45Poor
Sep38Poor
Oct26Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Viljoenskroon?

Viljoenskroon sits at 27.2°S, 26.9°E, 1,345 m above sea level, in South Africa. The nearest listed city is Orkney, 37 km away.

Topography around Viljoenskroon

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

Within 3 km, the terrain around Viljoenskroon has only modest variations in elevation — a maximum elevation change of 30 m around an average of 1,333 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, significant variations in elevation — a maximum elevation change of 445 m.

The land around Viljoenskroon is covered by cropland (61%) within 3 km, cropland (74%) and grassland (24%) within 16 km, and grassland (56%) and cropland (38%) within 80 km.

3 km
30 m
16 km
99 m
80 km
445 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Orkney 37 km · Bothaville 38 km · Stilfontein 44 km · Vredefort 47 km · Klerksdorp 48 km · Kroonstad 57 km · Potchefstroom 57 km · Parys 61 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 Viljoenskroon (-27.2084°, 26.9486°, elevation 1,345 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).