Weather in Johannesburg: January
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Average day temperature: | 82.0°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: | 3.1 in. | |
| more information | ||
14 days
forecast
forecast
| Johannesburg |
weather in
February
February
| Johannesburg |
Air temperature in January, °F
Show year:
2025
2024
2023
The highest day temperature during January of 2025 was 87°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during January were 79.7°F and 63.8°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 2.9 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 6.9 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: 23:04
December 06, saturday
0000
63°F
N
4 mph
4 mph
0300
63°F
S
2 mph
2 mph
0600
63°F
S
5 mph
5 mph
0900
72°F
SE
9 mph
9 mph
1200
81°F
SE
9 mph
9 mph
1500
81°F
SE
9 mph
9 mph
1800
72°F
SW
6 mph
6 mph
2100
70°F
SW
2 mph
2 mph
