Thermograph

Randburg, Gauteng, South Africa climate

Average temperatures, precipitation and all-time records for Randburg, Gauteng, South Africa, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is January, averaging a high of 26°C, and its coldest is July, with an average low of 4°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

Randburg average temperatures by month

Typical daily high and low, and average precipitation, for each month in Randburg, Gauteng, South Africa, based on 1980–2026 records. The wettest month is February (5 mm on an average day).

MonthAvg highAvg lowAvg precip
January 26°C 16°C 3 mm
February 26°C 16°C 5 mm
March 25°C 15°C 3 mm
April 23°C 11°C 3 mm
May 21°C 8°C 0 mm
June 18°C 4°C 0 mm
July 18°C 4°C 0 mm
August 21°C 7°C 0 mm
September 25°C 11°C 0 mm
October 25°C 13°C 3 mm
November 26°C 14°C 3 mm
December 26°C 16°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: 37°C on 2016-01-06
  • Coldest day on record: -3°C on 1990-07-14

All Randburg weather records →

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 →