Weather in Johannesburg: December
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Average day temperature: | 80.5°F |
| Average night temperature: | 64.9°F | |
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Number of sunny days: | 19 days |
| Day length: | 13.7 - 13.8 hours | |
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Number of rainy days: | 7 days |
| Precipitation totals: | 3.7 in. | |
| more information | ||
14 days
forecast
forecast
| Johannesburg |
weather in
January
January
| Johannesburg |
Air temperature in December, °F
Show year:
2023
2022
2021
The highest day temperature during December of 2023 was 93°F. At the same time the lowest night temperature was 55°F. Day and night temperature averages during December were 81.3°F and 64.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Johannesburg in December is 3.6 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 7.9 mph It makes December one of the most windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 9.6.
Best time for vacation in Johannesburg
Johannesburg on a weather map
Places in South Africa:
Name
°F
24 Hours Forecast
Johannesburg
Local time: 17:34
November 21, thursday
1800
75°F
NE
12 mph
12 mph
2100
75°F
N
4 mph
4 mph
November 22, friday
0000
66°F
N
12 mph
12 mph
0300
68°F
W
4 mph
4 mph
0600
70°F
SW
3 mph
3 mph
0900
75°F
SE
6 mph
6 mph
1200
81°F
E
9 mph
9 mph
1500
79°F
E
9 mph
9 mph
