Thermograph

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

Weather in Germiston in January

In an average January, Germiston sees a daily high around 26°C and a low around 15°C, based on 1980–2026 of local climate records.

Average high26°C
Typical high range22°C to 29°C
Average low15°C
Typical low range13°C to 17°C
Average daily precipitation5 mm

January records

The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.

High

Highest 37°C 2016-01-07
Lowest 15°C 2000-01-15

Low

Highest 20°C 2016-01-07
Lowest 8°C 2001-01-01

Feels-like

Highest 39°C 2016-01-08
Lowest 4°C 2001-01-02

Humidity

Highest 17.3 g/m³ 2025-01-07
Lowest 6.8 g/m³ 2018-01-01

Wind

Highest 34 km/h 2021-01-24
Lowest 7 km/h 2009-01-30

Gust

Highest 71 km/h 1992-01-31
Lowest 17 km/h 2013-01-24

Precip

Wettest 266 mm 2025
Driest 47 mm 2023

See Germiston's live weather grade →

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