Randburg, Gauteng, South Africa climate
Average temperatures, precipitation and all-time records for Randburg, Gauteng, South Africa, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is January, averaging a high of 28°C, and its coldest is July, with an average low of 3°C.
Randburg is an area located in the Gauteng province of South Africa. Formerly a separate municipality, its administration devolved to the newly created City of Johannesburg Metropolitan Municipality, along with neighbouring Sandton and Roodepoort, in the late 1990s. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Randburg, Gauteng, South Africa's own ±7-day seasonal distribution.
Randburg average temperatures by month
Typical daily high and low, and average precipitation, for each month in Randburg, Gauteng, South Africa, based on 1981–2026 records. The wettest month is January (5 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 28°C | 15°C | 5 mm |
| February | 28°C | 15°C | 3 mm |
| March | 27°C | 14°C | 3 mm |
| April | 24°C | 10°C | 3 mm |
| May | 22°C | 7°C | 0 mm |
| June | 18°C | 3°C | 0 mm |
| July | 19°C | 3°C | 0 mm |
| August | 22°C | 5°C | 0 mm |
| September | 27°C | 9°C | 0 mm |
| October | 28°C | 12°C | 3 mm |
| November | 28°C | 13°C | 3 mm |
| December | 28°C | 15°C | 5 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 39°C on 2016-01-07
- Coldest day on record: -5°C on 2000-07-21
Percentiles compare each day to Randburg, Gauteng, South Africa's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →