Johannesburg Weather in January: Climate, Temperature & Travel Tips
Avg 19.9°C · 114mm rain — January is summer in Johannesburg.
- Avg high
- 25.6 °C
- Avg low
- 14.7 °C
- Avg
- 19.9 °C
- Precipitation
- 114 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
January in Johannesburg, South Africa brings summer conditions: average temperature 19.9°C, average high 25.6°C, average low 14.7°C. Monthly rainfall averages 114mm, making it a moderate-rainfall time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Light layers (long sleeves + light jacket for evenings)
- Comfortable walking shoes
- A light rain jacket as backup
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in January
Pros:
- Pleasant temperatures for walking and outdoor sightseeing
Cons:
- Peak season — expect higher prices and more crowds
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 January 19.9°C
- 2 December 19.6°C
- 3 February 19.3°C
- 1 July 9.8°C
- 2 June 10.1°C
- 3 May 12.9°C
FAQ
01 What is the average temperature in Johannesburg in January? +
The average is 19.9°C, with a high of 26°C and a low of 15°C.
02 What is Johannesburg like to visit in January? +
It is summer in Johannesburg, which is ideal for outdoor exploration.
03 Does it rain often in Johannesburg during January? +
Average rainfall is 114mm, which is moderate.
04 What should I pack for Johannesburg in January? +
Light layers (long sleeves + light jacket for evenings); Comfortable walking shoes.
05 Is January a peak travel season for Johannesburg? +
Generally yes — book accommodations and flights well in advance.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17