Koppies weather in December

In December, Koppies sees average daytime highs of 28°C and overnight lows near 16°C, with 121 mm of rain across 15.5 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 28°C through the month. The sky is clear or mostly clear about 40% of the time in December, and the air most often feels comfortable.

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 Koppies's 12th-clearest and 4th-windiest month. For the whole year in context, see Koppies's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
16°
10th coldest
Rainfall
121 mm
15.5 wet days
Daylight
13 h 42 min
5:15 AM – 6:57 PM
Cloud cover
51%
12th clearest
Wind
12 km/h
4th windiest
Solar energy
7.16 kWh/m²
Travel score
5.5
out of 10

Koppies is town in the Free State, South Africa.

Founded
1876

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 28°C through the month.

A typical December day in Koppies reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°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)
12815
22815
32815
42815
52816
62816
72816
82816
92816
102816
112816
122816
132816
142816
152816
162816
172816
182816
192816
202816
212816
222917
232917
242917
252917
262917
272917
282917
292917
302917
312917

How December really feels in Koppies

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.

Koppies 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
Jan28° / 17°11014.213.55.4
Feb28° / 17°8412.1136.0
Mar26° / 15°7310.812.26.8
Apr24° / 11°416.611.47.8
May21° / 203.210.78.3
Jun19° / 111.610.38.1
Jul19° / 6110.58.2
Aug22° / 152.1118.7
Sep25° / 10°173.111.88.5
Oct27° / 13°679.612.77.0
Nov28° / 15°8411.813.36.3
Dec28° / 16°12115.513.75.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76436
86535
96535
106535
116535
126535
136634
146634
156634
166634
176733
186733
196733
206634
216634
226535
236535
246535
256535
266535
276535
286535
296535
306535
316535

Chance of precipitation in December

Any precipitation

Koppies gets around 121 mm of rain over 15.5 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 49% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
247
348
449
549
650
750
851
951
1051
1151
1251
1351
1451
1550
1650
1750
1849
1949
2049
2149
2249
2349
2449
2549
2649
2748
2847
2947
3046
3146

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 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
159365
258375
356395
453416
552426
650446
749456
848467
947477
1046477
1145487
1245487
1344488
1444488
1543488
1643489
17434710
18424711
19424612
20414613
21404514
22394516
23384517
24374518
25364420
26354421
27344422
28334423
29324324
30324324
31324325

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
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
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 5:12 AM to 5:22 AM, and sunset from 6:47 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:126:47
213.65:126:48
313.65:126:49
413.65:126:49
513.65:126:50
613.65:126:51
713.75:126:52
813.75:126:52
913.75:136:53
1013.75:136:53
1113.75:136:54
1213.75:136:55
1313.75:146:55
1413.75:146:56
1513.75:146:57
1613.75:156:57
1713.75:156:58
1813.75:156:58
1913.75:166:59
2013.75:166:59
2113.75:177:00
2213.75:177:00
2313.75:187:01
2413.75:187:01
2513.75:197:02
2613.75:197:02
2713.75:207:02
2813.75:207:03
2913.75:217:03
3013.75:217:03
3113.75:227:04

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.16 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.81 kWh/m² to a high of 7.16 kWh/m² in December across the year — December's 7.16 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.2Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.1Intense
317.1Intense
Planning a trip in December

Hazard calendar for Koppies

In seasonPeak

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

Koppies'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 Koppies?

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

5.5
Sightseeing
11th-best month of the year
6.2
Beach & pool
8th-best month of the year

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

What to pack for Koppies in December

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

In December, Koppies sees daytime highs around 28°C and nights near 16°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Koppies 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 Koppies 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
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5High
Aug7Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Koppies 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 Koppies is worst in July — around 103 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (January, 24 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 11103 µg/m³Jan 1124 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb32Moderate
Mar48Poor
Apr64Unhealthy
May88Unhealthy
Jun100Unhealthy
Jul103Unhealthy
Aug83Unhealthy
Sep65Unhealthy
Oct44Poor
Nov31Moderate
Dec25Moderate
Location & terrain

Where is Koppies?

Koppies sits at 27.2°S, 27.6°E, 1,413 m above sea level, in South Africa. The nearest listed city is Vredefort, 33 km away.

Topography around Koppies

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

Within 3 km, the terrain around Koppies has only modest variations in elevation — a maximum elevation change of 48 m around an average of 1,394 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 155 m; within 80 km, significant variations in elevation — a maximum elevation change of 494 m.

The land around Koppies is covered by cropland (47%) and grassland (39%) within 3 km, cropland (62%) and grassland (34%) within 16 km, and grassland (57%) and cropland (38%) within 80 km.

3 km
48 m
16 km
155 m
80 km
494 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Vredefort 33 km · Parys 39 km · Heilbron 39 km · Sasolburg 53 km · Kroonstad 56 km · Viljoenskroon 62 km · Vanderbijlpark 64 km · Deneysville 65 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 Koppies (-27.2418°, 27.5742°, elevation 1,413 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).