Climate averages 1991–2020
Weather in South Africa in January
In January, average daytime highs across the 95 cities listed in South Africa range from 23.3°C in Ermelo to 35.2°C in Upington. Monthly rainfall ranges from 9.8 mm in Atlantis to 179 mm in Thohoyandou.
Long-term climate patterns, not a forecast for a particular trip.
City by city
January in South Africa
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Johannesburg | 24.3°C14.1°C | 14.1°C | 132 | 16.4 |
| Cape Town | 25.6°C17.5°C | 17.5°C | 15 | 2.8 |
| Durban | 26.6°C21.7°C | 21.7°C | 91 | 13.0 |
| Pretoria | 27.6°C17.1°C | 17.1°C | 103 | 14.7 |
| Soweto | 25.0°C14.9°C | 14.9°C | 132 | 16.9 |
| Gqeberha | 23.9°C19.4°C | 19.4°C | 34 | 6.9 |
| Soshanguve | 28.8°C18.2°C | 18.2°C | 95 | 13.4 |
| Pietermaritzburg | 26.4°C17.3°C | 17.3°C | 134 | 18.0 |
| Evaton | 26.1°C15.8°C | 15.8°C | 133 | 16.0 |
| Benoni | 25.0°C14.8°C | 14.8°C | 127 | 15.9 |
| Bloemfontein | 30.1°C16.8°C | 16.8°C | 82 | 12.5 |
| Thembisa | 25.6°C15.4°C | 15.4°C | 110 | 15.4 |
| East London | 25.7°C20.1°C | 20.1°C | 81 | 11.6 |
| Vereeniging | 26.5°C16.0°C | 16.0°C | 127 | 15.0 |
| Welkom | 29.2°C17.0°C | 17.0°C | 92 | 13.1 |
| Newcastle, South Africa | 26.1°C15.6°C | 15.6°C | 141 | 17.6 |
| Krugersdorp | 24.7°C14.6°C | 14.6°C | 116 | 16.1 |
| Rustenburg | 28.8°C18.4°C | 18.4°C | 94 | 14.2 |
| Emalahleni | 24.7°C14.6°C | 14.6°C | 124 | 15.2 |
| Randburg | 25.5°C15.2°C | 15.2°C | 108 | 15.0 |
| Roodepoort | 24.5°C14.3°C | 14.3°C | 132 | 16.9 |
| Botshabelo | 29.0°C16.1°C | 16.1°C | 102 | 13.5 |
| Brakpan | 25.0°C14.8°C | 14.8°C | 127 | 15.9 |
| Kariega | 26.6°C18.0°C | 18.0°C | 40 | 7.9 |
| Polokwane | 26.7°C16.6°C | 16.6°C | 116 | 13.7 |
| Germiston | 25.2°C15.0°C | 15.0°C | 127 | 15.9 |
| Richards Bay | 28.6°C22.4°C | 22.4°C | 108 | 13.5 |
| Vanderbijlpark | 26.3°C15.8°C | 15.8°C | 132 | 16.1 |
| Paarl | 30.9°C17.5°C | 17.5°C | 21 | 3.1 |
| Centurion | 26.7°C16.4°C | 16.4°C | 103 | 14.7 |
| Klerksdorp | 28.8°C17.2°C | 17.2°C | 101 | 14.7 |
| Somerset West | 27.2°C18.5°C | 18.5°C | 21 | 3.4 |
| Mdantsane | 25.6°C18.2°C | 18.2°C | 76 | 11.1 |
| Middelburg | 25.5°C15.4°C | 15.4°C | 122 | 15.6 |
| George | 23.4°C16.5°C | 16.5°C | 51 | 9.1 |
| Carletonville | 26.1°C15.9°C | 15.9°C | 127 | 16.5 |
| Potchefstroom | 28.2°C17.2°C | 17.2°C | 109 | 15.0 |
| Mthatha | 24.9°C16.2°C | 16.2°C | 145 | 18.7 |
| KwaDukuza | 27.6°C21.0°C | 21.0°C | 103 | 13.4 |
| Westonaria | 25.5°C15.5°C | 15.5°C | 132 | 16.9 |
| Etwatwa | 25.2°C15.1°C | 15.1°C | 123 | 16.0 |
| Vryheid | 25.6°C15.7°C | 15.7°C | 139 | 17.4 |
| Pinetown | 25.9°C19.5°C | 19.5°C | 91 | 13.0 |
| Ladysmith | 28.0°C16.7°C | 16.7°C | 172 | 18.9 |
| eMbalenhle | 24.9°C14.7°C | 14.7°C | 139 | 16.4 |
| Kimberley | 32.0°C18.4°C | 18.4°C | 79 | 11.3 |
| Nigel | 25.3°C15.1°C | 15.1°C | 135 | 16.5 |
| Motherwell | 26.0°C18.5°C | 18.5°C | 40 | 7.9 |
| Mpumalanga | 25.5°C17.1°C | 17.1°C | 101 | 15.5 |
| Bhisho | 26.1°C16.2°C | 16.2°C | 117 | 14.2 |
| Sasolburg | 26.5°C15.9°C | 15.9°C | 132 | 16.1 |
| Randfontein | 24.7°C14.8°C | 14.8°C | 132 | 16.9 |
| Worcester, South Africa | 30.9°C17.2°C | 17.2°C | 24 | 5.2 |
| Ntuzuma | 27.0°C20.1°C | 20.1°C | 91 | 13.0 |
| Virginia | 29.6°C17.3°C | 17.3°C | 92 | 13.1 |
| Brits | 29.1°C18.6°C | 18.6°C | 97 | 14.2 |
| Alberton | 25.4°C15.2°C | 15.2°C | 132 | 16.4 |
| Queenstown | 28.1°C15.2°C | 15.2°C | 100 | 13.9 |
| Kroonstad | 28.6°C16.6°C | 16.6°C | 101 | 13.7 |
| Somaroboro | 27.4°C16.9°C | 16.9°C | 94 | 13.6 |
| Hammanskraal | 29.3°C18.5°C | 18.5°C | 98 | 14.5 |
| Mbombela | 27.8°C18.9°C | 18.9°C | 155 | 17.5 |
| Orkney | 29.0°C17.2°C | 17.2°C | 97 | 14.4 |
| Phalaborwa | 30.5°C21.0°C | 21.0°C | 93 | 9.3 |
| Thohoyandou | 27.5°C18.9°C | 18.9°C | 179 | 15.4 |
| Tokoza | 25.5°C15.3°C | 15.3°C | 127 | 15.9 |
| Standerton | 24.9°C14.6°C | 14.6°C | 124 | 16.2 |
| Mokopane | 28.7°C18.0°C | 18.0°C | 112 | 12.5 |
| Ermelo | 23.3°C13.8°C | 13.8°C | 143 | 16.9 |
| Stellenbosch | 28.7°C17.0°C | 17.0°C | 21 | 3.4 |
| Kutloanong | 29.5°C17.2°C | 17.2°C | 94 | 13.0 |
| Stilfontein | 28.5°C17.0°C | 17.0°C | 101 | 14.7 |
| Qonce | 26.6°C17.1°C | 17.1°C | 78 | 11.2 |
| Delmas | 25.3°C15.0°C | 15.0°C | 128 | 16.2 |
| Grahamstown | 26.8°C16.1°C | 16.1°C | 63 | 9.2 |
| Bethlehem, South Africa | 25.5°C14.3°C | 14.3°C | 143 | 16.5 |
| Ga-Rankuwa | 28.3°C17.7°C | 17.7°C | 95 | 13.4 |
| Bela Bela | 28.8°C18.4°C | 18.4°C | 97 | 12.5 |
| Midrand | 25.4°C15.1°C | 15.1°C | 108 | 15.0 |
| Louis Trichardt | 28.1°C18.8°C | 18.8°C | 102 | 13.2 |
| Heidelberg, South Africa | 25.7°C15.4°C | 15.4°C | 130 | 16.0 |
| Dundee, South Africa | 26.4°C15.9°C | 15.9°C | 151 | 17.6 |
| Piet Retief | 24.8°C15.5°C | 15.5°C | 144 | 18.2 |
| Phuthaditjhaba | 23.9°C13.7°C | 13.7°C | 177 | 19.0 |
| Atlantis | 26.9°C16.1°C | 16.1°C | 9.8 | 2.2 |
| Mossel Bay | 24.4°C17.9°C | 17.9°C | 38 | 7.5 |
| Mafikeng | 29.2°C17.8°C | 17.8°C | 90 | 14.7 |
| Odendaalsrus | 29.5°C17.2°C | 17.2°C | 94 | 13.0 |
| Oudtshoorn | 29.6°C15.8°C | 15.8°C | 30 | 6.2 |
| Bethal | 24.1°C14.1°C | 14.1°C | 132 | 16.2 |
| Thaba Nchu | 28.3°C15.7°C | 15.7°C | 102 | 13.5 |
| Bothaville | 29.7°C17.5°C | 17.5°C | 94 | 12.7 |
| Upington | 35.2°C21.3°C | 21.3°C | 35 | 5.4 |
| Parys | 27.6°C16.6°C | 16.6°C | 120 | 15.5 |
| Schweizer-Reneke | 30.0°C17.9°C | 17.9°C | 101 | 14.1 |
A rain day is a local calendar day with at least 1 mm of precipitation.