Johannesburg
January
Weather in Johannesburg for January 2025
Your guide to Johannesburg weather in January - trends and predictions
In general, the average temperature in Johannesburg at the beginning of January is 26.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 30 °C by the end of January.
Johannesburg sees moderate rainfall in January, averaging 8 rainy days.
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23
Dry days
8
Rainy days
0
Snow days
30°/15°
Temperatures
17 km/h
Avg max wind
52 %
Avg humidity
Johannesburg in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  24° | 3 28° | 4  28° | 5  24° | ||
| 6 26° | 7 28° | 8 25° | 9 27° | 10  29° | 11  28° | 12 29° |
| 13 30° | 14 30° | 15 32° | 16 29° | 17  26° | 18 26° | 19 29° |
| 20 30° | 21 32° | 22 32° | 23 30° | 24 31° | 25 30° | 26 30° |
| 27 30° | 28 32° | 29 32° | 30 28° | 31 28° |
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Temperatures trend during January in Johannesburg
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Heavy rain at times | 25° /15° | 2.7 mm | 6 | |
| 2 Jan. | Patchy rain possible | 24° /14° | 0.7 mm | 6 | |
| 3 Jan. | Patchy rain possible | 28° /15° | 0.6 mm | 6 | |
| 4 Jan. | Overcast | 28° /16° | 0 mm | 7 | |
| 5 Jan. | Moderate or heavy rain shower | 24° /15° | 13 mm | 7 | |
| 6 Jan. | Moderate rain at times | 26° /13° | 3.3 mm | 7 | |
| 7 Jan. | Patchy rain possible | 28° /14° | 3.7 mm | 8 | |
| 8 Jan. | Patchy rain possible | 25° /15° | 3.4 mm | 7 | |
| 9 Jan. | Patchy rain possible | 27° /14° | 5 mm | 8 | |
| 10 Jan. | Sunny | 29° /16° | 1.5 mm | 9 | |
| 11 Jan. | Cloudy | 28° /16° | 9.3 mm | 8 | |
| 12 Jan. | Sunny | 29° /14° | 3.2 mm | 9 | |
| 13 Jan. | Sunny | 30° /15° | 2.5 mm | 9 | |
| 14 Jan. | Sunny | 30° /16° | 3.1 mm | 9 | |
| 15 Jan. | Sunny | 32° /17° | 0.6 mm | 9 | |
| 16 Jan. | Sunny | 29° /16° | 5.7 mm | 9 | |
| 17 Jan. | Partly cloudy | 26° /15° | 14 mm | 8 | |
| 18 Jan. | Cloudy | 26° /16° | 0 mm | 8 | |
| 19 Jan. | Patchy rain possible | 29° /15° | 0.3 mm | 8 | |
| 20 Jan. | Moderate or heavy rain shower | 30° /16° | 1.3 mm | 8 | |
| 21 Jan. | Sunny | 32° /16° | 0 mm | 9 | |
| 22 Jan. | Partly cloudy | 32° /17° | 0.2 mm | 9 | |
| 23 Jan. | Sunny | 30° /17° | 2.8 mm | 9 | |
| 24 Jan. | Sunny | 31° /16° | 0.1 mm | 9 | |
| 25 Jan. | Sunny | 30° /18° | 0.3 mm | 9 | |
| 26 Jan. | Patchy rain possible | 30° /16° | 0.2 mm | 8 | |
| 27 Jan. | Patchy rain possible | 30° /18° | 0.7 mm | 9 | |
| 28 Jan. | Partly cloudy | 32° /17° | 0 mm | 10 | |
| 29 Jan. | Heavy rain at times | 32° /16° | 5.3 mm | 9 | |
| 30 Jan. | Overcast | 28° /16° | 1.2 mm | 8 | |
| 31 Jan. | Overcast | 28° /15° | 1.1 mm | 8 | |
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Important Notice
Our weather forecast for Johannesburg in January 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 January - FAQ
What are the expected maximum and minimum temperatures in Johannesburg during January?
Expect warm days with temperatures around 30°, cooling to mild conditions of 15° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Johannesburg during January?
Significant rainfall exceeding 171.7 mm is expected in Johannesburg during January, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Johannesburg during January?
The average wind speed in Johannesburg during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
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