Weather in Johannesburg: December
 |
Average day temperature: | 80.5°F |
| Average night temperature: | 64.9°F | |
 |
Number of sunny days: | 19 days |
| Day length: | 13.7 - 13.8 hours | |
 |
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: 17:58
December 22, sunday
1800
73°F
E
5 mph
5 mph
2100
68°F
S
3 mph
3 mph
December 23, monday
0000
64°F
SE
6 mph
6 mph
0300
63°F
SE
9 mph
9 mph
0600
63°F
SE
2 mph
2 mph
0900
66°F
SE
4 mph
4 mph
1200
75°F
SE
13 mph
13 mph
1500
75°F
SE
14 mph
14 mph
