Climate averages 1991–2020
Parys weather
in January.
A warm, wet month: the 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Parys: daytime highs average 27.6°C and nights cool to about 16.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 120 mm of rain on roughly 16 days, which makes January a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 37 min on an average January day.
The nearest other city in this atlas is Sasolburg (37 km away). In January its highs average 26.5°C, 1.1°C cooler than Parys, with 132 mm of rain.
Among the 95 cities listed in South Africa, Parys ranks joint 35th of 95 for the warmest January highs and 59th of 95 for the driest January (rainfall, lowest first). The mean January high of those 95 cities is 27.0°C; Parys is 0.6°C warmer than that mean.
From January to February, average highs fall by 0.5°C to 27.1°C, and monthly rainfall falls from 120 mm to 95 mm.
The annual picture
January 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
Parys climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 27.6°C16.6°C | 16.6°C | 120 | 15.5 | 13.614 h |
| February | 27.1°C16.2°C | 16.2°C | 95 | 13.0 | 13.013 h |
| March | 25.8°C14.5°C | 14.5°C | 80 | 11.5 | 12.312 h |
| April | 23.3°C11.1°C | 11.1°C | 41 | 6.8 | 11.511 h |
| May | 20.8°C7.0°C | 7.0°C | 20 | 3.3 | 10.811 h |
| June | 18.1°C3.7°C | 3.7°C | 9.8 | 1.6 | 10.510 h |
| July | 18.3°C3.2°C | 3.2°C | 4.7 | 0.9 | 10.611 h |
| August | 21.7°C6.1°C | 6.1°C | 14 | 2.2 | 11.211 h |
| September | 26.0°C10.4°C | 10.4°C | 19 | 3.4 | 11.912 h |
| October | 27.3°C13.1°C | 13.1°C | 72 | 10.2 | 12.713 h |
| November | 27.3°C14.4°C | 14.4°C | 94 | 12.6 | 13.413 h |
| December | 27.7°C16.1°C | 16.1°C | 129 | 16.6 | 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
January in nearby cities
- Sasolburg in JanuarySouth Africa · 37 kmHigh 26.5°C · Low 15.9°C · 132 mm rain
- Potchefstroom in JanuarySouth Africa · 41 kmHigh 28.2°C · Low 17.2°C · 109 mm rain
- Vanderbijlpark in JanuarySouth Africa · 43 kmHigh 26.3°C · Low 15.8°C · 132 mm rain
- Vereeniging in JanuarySouth Africa · 53 kmHigh 26.5°C · Low 16.0°C · 127 mm rain
- Evaton in JanuarySouth Africa · 57 kmHigh 26.1°C · Low 15.8°C · 133 mm rain
- Carletonville in JanuarySouth Africa · 61 kmHigh 26.1°C · Low 15.9°C · 127 mm rain
- Westonaria in JanuarySouth Africa · 68 kmHigh 25.5°C · Low 15.5°C · 132 mm rain
- Stilfontein in JanuarySouth Africa · 69 kmHigh 28.5°C · Low 17.0°C · 101 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 Parys) is explained once on the Parys year overview and on the Sources, method and limits page.