Johannesburg in December average weather

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Temperatures trend during December in Johannesburg

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December weather day by day

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November January

Date	Weather	Temperatures	Rain	UV
1 Dec.	Sunny	30° /14°	0 mm	8
2 Dec.	Sunny	32° /18°	0 mm	8
3 Dec.	Sunny	32° /19°	0 mm	8
4 Dec.	Partly cloudy	33° /20°	0 mm	8
5 Dec.	Cloudy	33° /21°	0.1 mm	7
6 Dec.	Patchy light drizzle	30° /16°	3.9 mm	7
7 Dec.	Patchy rain possible	26° /15°	9.9 mm	6
8 Dec.	Patchy rain possible	29° /16°	0.7 mm	6
9 Dec.	Patchy rain possible	31° /19°	0.8 mm	7
10 Dec.	Light rain shower	19° /14°	13.2 mm	4
11 Dec.	Moderate or heavy rain shower	20° /15°	18.1 mm	5
12 Dec.	Sunny	27° /13°	0 mm	7
13 Dec.	Patchy rain possible	30° /16°	0 mm	7
14 Dec.	Cloudy	29° /15°	2.6 mm	6
15 Dec.	Patchy light drizzle	26° /17°	1.1 mm	6
16 Dec.	Patchy rain possible	27° /16°	0.9 mm	6
17 Dec.	Patchy rain possible	32° /18°	0.4 mm	7
18 Dec.	Patchy rain possible	30° /20°	5 mm	7
19 Dec.	Sunny	31° /19°	11.2 mm	8
20 Dec.	Thundery outbreaks possible	31° /17°	4.5 mm	7
21 Dec.	Patchy light rain with thunder	33° /20°	0.4 mm	7
22 Dec.	Overcast	28° /17°	0 mm	7
23 Dec.	Overcast	29° /17°	0.1 mm	7
24 Dec.	Sunny	31° /18°	1.3 mm	7
25 Dec.	Cloudy	25° /16°	13.2 mm	6
26 Dec.	Patchy rain possible	25° /15°	9.7 mm	6
27 Dec.	Patchy rain possible	22° /13°	9.4 mm	5
28 Dec.	Moderate or heavy rain shower	27° /15°	2.8 mm	6
29 Dec.	Moderate or heavy rain shower	22° /15°	6.8 mm	5
30 Dec.	Patchy rain possible	24° /13°	1.8 mm	6
31 Dec.	Moderate or heavy rain shower	25° /14°	2.5 mm	6
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Important Notice

Our weather forecast for Johannesburg in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Johannesburg forecast closer to your planned date for the most up-to-date weather information.

Johannesburg in December - FAQ

What are the expected maximum and minimum temperatures in Johannesburg during December?

During December, expect a variety of temperatures with highs around 29° and lows near 16°, suitable for diverse activities and preferences.

How much rainfall should be expected in Johannesburg during December?

Significant rainfall exceeding 168.2 mm is expected in Johannesburg during December, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Johannesburg during December?

The average wind speed in Johannesburg during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

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Mon.	Tue.	Wed.	Thu.	Fri.	Sat.	Sun.
						1 30°
2 32°	3 32°	4 33°	5 33°	6 30°	7 26°	8 29°
9 31°	10 19°	11 20°	12 27°	13 30°	14 29°	15 26°
16 27°	17 32°	18 30°	19 31°	20 31°	21 33°	22 28°
23 29°	24 31°	25 25°	26 25°	27 22°	28 27°	29 22°
30 24°	31 25°