Climate averages 1991–2020
Standerton weather
in December.
A warm, wet month: the joint 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 Standerton: daytime highs average 24.9°C and nights cool to about 14.0°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 150 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 48 min on an average December day.
The nearest other city in this atlas is eMbalenhle (48 km away). In December its highs average 24.9°C, about as warm as Standerton, with 151 mm of rain.
Among the 95 cities listed in South Africa, Standerton ranks joint 74th of 95 for the warmest December highs and 85th of 95 for the driest December (rainfall, lowest first). The mean December high of those 95 cities is 26.6°C; Standerton is 1.7°C cooler than that mean.
From December to January, average highs stay level at 24.9°C, and monthly rainfall falls from 150 mm to 124 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
Standerton climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.9°C14.6°C | 14.6°C | 124 | 16.2 | 13.614 h |
| February | 25.0°C14.4°C | 14.4°C | 91 | 12.5 | 13.013 h |
| March | 23.9°C12.9°C | 12.9°C | 81 | 10.8 | 12.312 h |
| April | 21.6°C9.8°C | 9.8°C | 40 | 6.7 | 11.511 h |
| May | 19.5°C6.0°C | 6.0°C | 15 | 2.5 | 10.811 h |
| June | 17.0°C2.7°C | 2.7°C | 7.9 | 1.2 | 10.510 h |
| July | 17.1°C2.2°C | 2.2°C | 6.6 | 0.9 | 10.611 h |
| August | 20.4°C5.0°C | 5.0°C | 13 | 2.2 | 11.211 h |
| September | 24.4°C8.9°C | 8.9°C | 23 | 3.9 | 11.912 h |
| October | 24.9°C11.2°C | 11.2°C | 91 | 10.5 | 12.713 h |
| November | 24.5°C12.5°C | 12.5°C | 114 | 14.8 | 13.413 h |
| December, selected | 24.9°C14.0°C | 14.0°C | 150 | 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
- eMbalenhle in DecemberSouth Africa · 48 kmHigh 24.9°C · Low 14.4°C · 151 mm rain
- Bethal in DecemberSouth Africa · 57 kmHigh 24.1°C · Low 13.7°C · 145 mm rain
- Ermelo in DecemberSouth Africa · 86 kmHigh 23.3°C · Low 13.4°C · 163 mm rain
- Nigel in DecemberSouth Africa · 94 kmHigh 25.3°C · Low 14.7°C · 147 mm rain
- Heidelberg, South Africa in DecemberSouth Africa · 100 kmHigh 25.7°C · Low 15.0°C · 140 mm rain
- Delmas in DecemberSouth Africa · 104 kmHigh 25.2°C · Low 14.6°C · 138 mm rain
- Newcastle, South Africa in DecemberSouth Africa · 114 kmHigh 26.2°C · Low 15.0°C · 155 mm rain
- Brakpan in DecemberSouth Africa · 116 kmHigh 25.0°C · Low 14.4°C · 130 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 Standerton) is explained once on the Standerton year overview and on the Sources, method and limits page.