Climate averages 1991–2020
Piet Retief weather
in January.
A warm, wet month: the joint 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 Piet Retief: daytime highs average 24.8°C and nights cool to about 15.5°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 144 mm of rain on roughly 18 days, which makes January a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 38 min on an average January day.
The nearest other city in this atlas is Manzini (80 km away). In January its highs average 27.0°C, 2.3°C warmer than Piet Retief, with 131 mm of rain.
Among the 95 cities listed in South Africa, Piet Retief ranks 84th of 95 for the warmest January highs and 89th of 95 for the driest January (rainfall, lowest first). The mean January high of those 95 cities is 27.0°C; Piet Retief is 2.2°C cooler than that mean.
From January to February, average highs stay level at 24.8°C, and monthly rainfall falls from 144 mm to 117 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
Piet Retief climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 24.8°C15.5°C | 15.5°C | 144 | 18.2 | 13.614 h |
| February | 24.8°C15.6°C | 15.6°C | 117 | 14.0 | 13.013 h |
| March | 23.8°C14.3°C | 14.3°C | 103 | 13.5 | 12.312 h |
| April | 21.8°C11.7°C | 11.7°C | 48 | 7.7 | 11.511 h |
| May | 20.2°C8.5°C | 8.5°C | 18 | 3.3 | 10.811 h |
| June | 18.2°C5.8°C | 5.8°C | 11 | 2.2 | 10.510 h |
| July | 18.3°C5.3°C | 5.3°C | 12 | 2.0 | 10.611 h |
| August | 20.9°C7.5°C | 7.5°C | 21 | 3.6 | 11.211 h |
| September | 23.5°C10.1°C | 10.1°C | 38 | 7.0 | 11.912 h |
| October | 23.3°C11.6°C | 11.6°C | 96 | 13.3 | 12.713 h |
| November | 24.0°C13.2°C | 13.2°C | 131 | 16.9 | 13.413 h |
| December | 24.9°C14.8°C | 14.8°C | 155 | 19.4 | 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
- Manzini in JanuaryEswatini · 80 kmHigh 27.0°C · Low 18.5°C · 131 mm rain
- Mbabane in JanuaryEswatini · 83 kmHigh 24.4°C · Low 16.2°C · 216 mm rain
- Vryheid in JanuarySouth Africa · 85 kmHigh 25.6°C · Low 15.7°C · 139 mm rain
- Ermelo in JanuarySouth Africa · 98 kmHigh 23.3°C · Low 13.8°C · 143 mm rain
- Newcastle, South Africa in JanuarySouth Africa · 121 kmHigh 26.1°C · Low 15.6°C · 141 mm rain
- Dundee, South Africa in JanuarySouth Africa · 141 kmHigh 26.4°C · Low 15.9°C · 151 mm rain
- Bethal in JanuarySouth Africa · 147 kmHigh 24.1°C · Low 14.1°C · 132 mm rain
- Standerton in JanuarySouth Africa · 156 kmHigh 24.9°C · Low 14.6°C · 124 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 Piet Retief) is explained once on the Piet Retief year overview and on the Sources, method and limits page.