Thermograph

Alexandra, Gauteng, South Africa climate

Average temperatures, precipitation and all-time records for Alexandra, 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.

Alexandra, informally abbreviated to Alex, is a township in the Gauteng province of South Africa. It forms part of the City of Johannesburg Metropolitan Municipality and is located next to the wealthy suburb of Sandton. via Wikipedia

How today compares

Latest recorded day: 2026-09-08. Each reading placed on Alexandra, Gauteng, South Africa's own ±7-day seasonal distribution.

High 17°C Very Low · 7th pct
Low 11°C Above Normal · 63rd pct
Feels-like 10°C Normal · 54th pct
Humidity 10.2 g/m³ Very High · 98th pct
Wind 11 km/h Very Low · 10th pct
Gust 23 km/h Very Low · 4th pct
Precip 2 mm Heavy · 83rd pct

Open Alexandra in the live weather grader →

Alexandra average temperatures by month

Typical daily high and low, and average precipitation, for each month in Alexandra, 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 Alexandra weather records →

Percentiles compare each day to Alexandra, 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 →