Weather · Johannesburg, South Africa
Johannesburg Weather in December
December in Johannesburg averages 24°C by day and 14°C at night, with about 160mm of rain. That makes it not the easiest month, weather-wise.
Avg high
24°C
75°F
Avg low
14°C
57°F
Rainfall
160mm
#1 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Johannesburg builds it around the season for you.