Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Germiston, Gauteng, South Africa climate

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

Germiston, also known as kwaDukathole, is a city in the East Rand region of Gauteng, South Africa, administratively forming part of the City of Ekurhuleni Metropolitan Municipality since the latter's establishment in 2000. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Germiston, Gauteng, South Africa's own ±7-day seasonal distribution.

High 21°C Above Normal · 69th pct
Low 8°C Very High · 98th pct
Feels-like 5°C Very High · 97th pct
Humidity 3.4 g/m³ Low · 15th pct
Wind 10 km/h Very Low · 3rd pct
Precip 0 mm Dry

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Germiston average temperatures by month

Typical daily high and low, and average precipitation, for each month in Germiston, Gauteng, South Africa, based on 1981–2026 records. The wettest month is January (5 mm on an average day).

MonthAvg highAvg lowAvg 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

All Germiston weather records →

Percentiles compare each day to Germiston, 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 →