Weather in Johannesburg: January
 |
Average day temperature: | 81.9°F |
| Average night temperature: | 64.3°F | |
 |
Number of sunny days: | 19 days |
| Day length: | 13.3 - 13.7 hours | |
 |
Number of rainy days: | 6 days |
| Precipitation totals: | 3.0 in. | |
| more information | ||
14 days
forecast
forecast
| Johannesburg |
weather in
February
February
| Johannesburg |
Air temperature in January, °F
Show year:
2026
2025
2024
The highest day temperature during January of 2026 was 87°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during January were 80.8°F and 62.9°F.
Sunny, partly cloudy and cloudy days
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Johannesburg in January is 2.7 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 6.6 mph
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 January is: 9.4.
Best time for vacation in Johannesburg
Johannesburg on a weather map
Places in South Africa:
Name
°F
24 Hours Forecast
Johannesburg
Local time: 03:22
February 05, thursday
0600
63°F
S
6 mph
6 mph
0900
73°F
SE
4 mph
4 mph
1200
86°F
S
3 mph
3 mph
1500
90°F
S
4 mph
4 mph
1800
86°F
S
11 mph
11 mph
2100
77°F
S
10 mph
10 mph
February 06, friday
0000
70°F
S
11 mph
11 mph
0300
66°F
S
9 mph
9 mph
