Climate averages 1991–2020
Carletonville weather
in December.
A warm, wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Carletonville: daytime highs average 26.2°C and nights cool to about 15.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 136 mm of rain on roughly 18 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 45 min on an average December day.
The nearest other city in this atlas is Westonaria (25 km away). In December its highs average 25.5°C, 0.7°C cooler than Carletonville, with 141 mm of rain.
Among the 95 cities listed in South Africa, Carletonville ranks joint 46th of 95 for the warmest December highs and 68th of 95 for the driest December (rainfall, lowest first). The mean December high of those 95 cities is 26.6°C; Carletonville is 0.4°C cooler than that mean.
From December to January, average highs fall by 0.1°C to 26.1°C, and monthly rainfall falls from 136 mm to 127 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Carletonville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.1°C15.9°C | 15.9°C | 127 | 16.5 | 13.614 h |
| February | 25.8°C15.6°C | 15.6°C | 119 | 13.6 | 13.013 h |
| March | 24.5°C14.0°C | 14.0°C | 86 | 11.9 | 12.312 h |
| April | 22.1°C10.7°C | 10.7°C | 42 | 7.2 | 11.511 h |
| May | 19.9°C7.0°C | 7.0°C | 18 | 2.8 | 10.811 h |
| June | 17.4°C3.7°C | 3.7°C | 8.3 | 1.5 | 10.511 h |
| July | 17.6°C3.0°C | 3.0°C | 3.5 | 0.8 | 10.711 h |
| August | 20.8°C6.0°C | 6.0°C | 9.7 | 1.7 | 11.211 h |
| September | 25.1°C10.0°C | 10.0°C | 20 | 3.1 | 11.912 h |
| October | 26.3°C12.7°C | 12.7°C | 68 | 10.0 | 12.713 h |
| November | 26.1°C14.0°C | 14.0°C | 95 | 13.2 | 13.413 h |
| December, selected | 26.2°C15.5°C | 15.5°C | 136 | 17.9 | 13.814 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Westonaria in DecemberSouth Africa · 25 kmHigh 25.5°C · Low 15.1°C · 141 mm rain
- Randfontein in DecemberSouth Africa · 36 kmHigh 24.7°C · Low 14.3°C · 141 mm rain
- Soweto in DecemberSouth Africa · 47 kmHigh 24.9°C · Low 14.6°C · 141 mm rain
- Krugersdorp in DecemberSouth Africa · 49 kmHigh 24.6°C · Low 14.1°C · 128 mm rain
- Evaton in DecemberSouth Africa · 49 kmHigh 26.1°C · Low 15.4°C · 139 mm rain
- Potchefstroom in DecemberSouth Africa · 49 kmHigh 28.3°C · Low 16.8°C · 112 mm rain
- Roodepoort in DecemberSouth Africa · 52 kmHigh 24.4°C · Low 13.9°C · 141 mm rain
- Vanderbijlpark in DecemberSouth Africa · 59 kmHigh 26.4°C · Low 15.4°C · 137 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Carletonville) is explained once on the Carletonville year overview and on the Sources, method and limits page.