The temperatures in Johannesburg in January are comfortable with low of 18°C and and high up to 28°C.
You can expect rain for roughly half of the month of January in Johannesburg. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Johannesburg in January 2025.
If you’re planning to visit Johannesburg in the near future, we highly recommend that you review the 14 day weather forecast for Johannesburg before you arrive.