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December weather in Johannesburg, South Africa

Averages from 155 days in December across 2020–2024.

Typical conditions

Average high25.2°C
Average low14.7°C
Average mean19.5°C
Total precipitation633 mm
Rainy days126
Average precipitation hours5.5 h
Average max wind speed18.5 km/h
Average sunshine11.1 h/day

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