Thermograph

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

Weather in Cape Town, Western Cape, South Africa in December

In an average December, Cape Town sees a daily high around 21°C and a low around 17°C, based on 1981–2026 of local climate records.

Average high21°C
Typical high range19°C to 23°C
Average low17°C
Typical low range16°C to 19°C
Average daily precipitation0 mm

December records

The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.

High

Highest 27°C 2017-12-07
Lowest 16°C 1996-12-02

Low

Highest 21°C 2015-12-30
Lowest 14°C 1996-12-03

Feels-like

Highest 29°C 1999-12-12
Lowest 14°C 1996-12-03

Humidity

Highest 17.7 g/m³ 2015-12-31
Lowest 8.2 g/m³ 1983-12-17

Wind

Highest 58 km/h 1995-12-16
Lowest 15 km/h 2009-12-06

Precip

Wettest 38 mm 2004
Driest 4 mm 2009

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