Gauteng (Johannesburg)
January
Weather in Gauteng for January 2026
Your guide to Gauteng weather in January - trends and predictions
In general, the average temperature in Gauteng at the beginning of January is 26 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 28.4 °C by the end of January.
Gauteng experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 135.5 mm.
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Temperatures
Rain 🌧️
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6
Dry days
25
Rainy days
0
Snow days
27°/16°
Temperatures
17 km/h
Avg max wind
55 %
Avg humidity
Gauteng Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2 23° | 3 28° | 4 28° | |||
| 5 27° | 6  25° | 7 25° | 8 25° | 9 27° | 10 28° | 11 27° |
| 12 27° | 13 27° | 14 28° | 15 29° | 16  26° | 17  26° | 18 26° |
| 19  28° | 20 29° | 21 30° | 22 30° | 23 30° | 24 29° | 25 29° |
| 26 28° | 27 29° | 28 29° | 29 28° | 30 28° | 31 28° |
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Temperatures trend during January in Gauteng
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. | Patchy rain possible | 26° /16° | 11.3 mm | 7 | |
| 2 Jan. | Patchy rain possible | 23° /15° | 8.4 mm | 7 | |
| 3 Jan. | Patchy rain possible | 28° /15° | 1 mm | 8 | |
| 4 Jan. | Patchy rain possible | 28° /16° | 2.6 mm | 8 | |
| 5 Jan. | Light rain shower | 27° /16° | 8.6 mm | 8 | |
| 6 Jan. | Moderate or heavy rain shower | 25° /16° | 8.9 mm | 8 | |
| 7 Jan. | Patchy rain possible | 25° /15° | 12.6 mm | 8 | |
| 8 Jan. | Patchy rain possible | 25° /16° | 7.1 mm | 8 | |
| 9 Jan. | Patchy rain possible | 27° /16° | 2.5 mm | 8 | |
| 10 Jan. | Patchy rain possible | 28° /16° | 4.7 mm | 9 | |
| 11 Jan. | Patchy rain possible | 27° /16° | 11.3 mm | 8 | |
| 12 Jan. | Patchy rain possible | 27° /16° | 4.1 mm | 9 | |
| 13 Jan. | Moderate or heavy rain shower | 27° /16° | 6 mm | 9 | |
| 14 Jan. | Patchy rain possible | 28° /16° | 3.8 mm | 9 | |
| 15 Jan. | Patchy rain possible | 29° /17° | 2.2 mm | 9 | |
| 16 Jan. | Heavy rain at times | 26° /16° | 7.2 mm | 8 | |
| 17 Jan. | Sunny | 26° /15° | 8.1 mm | 9 | |
| 18 Jan. | Patchy rain possible | 26° /16° | 1.7 mm | 8 | |
| 19 Jan. | Partly cloudy | 28° /15° | 1.6 mm | 9 | |
| 20 Jan. | Patchy rain possible | 29° /16° | 0.6 mm | 9 | |
| 21 Jan. | Sunny | 30° /16° | 0 mm | 10 | |
| 22 Jan. | Sunny | 30° /15° | 0.1 mm | 10 | |
| 23 Jan. | Sunny | 30° /16° | 1.2 mm | 10 | |
| 24 Jan. | Patchy rain possible | 29° /16° | 2.3 mm | 9 | |
| 25 Jan. | Sunny | 29° /17° | 1.3 mm | 9 | |
| 26 Jan. | Patchy rain possible | 28° /16° | 0.4 mm | 9 | |
| 27 Jan. | Sunny | 29° /17° | 1.3 mm | 9 | |
| 28 Jan. | Moderate or heavy rain shower | 29° /17° | 6.4 mm | 9 | |
| 29 Jan. | Patchy rain possible | 28° /16° | 6.8 mm | 9 | |
| 30 Jan. | Moderate or heavy rain shower | 28° /16° | 11.5 mm | 9 | |
| 31 Jan. | Sunny | 28° /17° | 4.3 mm | 9 | |
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Important Notice
Our weather forecast for Gauteng 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 Gauteng forecast closer to your planned date for the most up-to-date weather information.
Gauteng in January - FAQ
What are the expected maximum and minimum temperatures in Gauteng during January?
During January, expect a variety of temperatures with highs around 27° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Gauteng during January?
Significant rainfall exceeding 135.5 mm is expected in Gauteng during January, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gauteng during January?
The average wind speed in Gauteng during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Gauteng
Explore the daily rainfall trends and prepare for Gautengs January weather 💧
UV exposure in Gauteng during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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