Johannesburg
December
Weather in Johannesburg for December 2024
Your guide to Johannesburg weather in December - trends and predictions
So far, December 2024 in Johannesburg shows a warmer trend than usual by 3.3 °C.
The forecast for the next days in Johannesburg predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in Johannesburg at the beginning of December is 29.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.7 °C by the end of December.
Johannesburg experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 155 mm.
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Temperatures
Rain 🌧️
More
1
Dry days
30
Rainy days
0
Snow days
27°/16°
Temperatures
19 km/h
Avg max wind
54 %
Avg humidity
Johannesburg in December average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | ||||||
| 2  30° | 3 32° | 4  31° | 5 28° | 6  29° | 7  28° | 8 28° |
| 9 28° | 10 27° | 11 27° | 12 26° | 13 26° | 14  28° | 15 28° |
| 16 26° | 17 26° | 18 26° | 19 25° | 20 26° | 21 27° | 22  20° |
| 23 24° | 24 26° | 25 23° | 26 29° | 27 26° | 28 24° | 29 29° |
| 30 26° | 31 30° |
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Temperatures trend during December in Johannesburg
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Sunny | 30° /15° | 1.1 mm | 10 | |
| 2 Dec. | Moderate rain at times | 30° /17° | 2.3 mm | 9 | |
| 3 Dec. | Moderate or heavy rain shower | 32° /18° | 4 mm | 10 | |
| 4 Dec. | Partly cloudy | 31° /18° | 5 mm | 9 | |
| 5 Dec. | Moderate or heavy rain shower | 28° /18° | 17.7 mm | 8 | |
| 6 Dec. | Heavy rain at times | 29° /16° | 3.9 mm | 9 | |
| 7 Dec. | Patchy rain possible | 28° /16° | 6.6 mm | 9 | |
| 8 Dec. | Patchy rain possible | 28° /16° | 2.9 mm | 9 | |
| 9 Dec. | Patchy rain possible | 28° /17° | 3.5 mm | 9 | |
| 10 Dec. | Patchy rain possible | 27° /16° | 3.4 mm | 8 | |
| 11 Dec. | Patchy rain possible | 27° /17° | 5.2 mm | 8 | |
| 12 Dec. | Moderate or heavy rain shower | 26° /17° | 7.4 mm | 8 | |
| 13 Dec. | Moderate or heavy rain shower | 26° /16° | 11.7 mm | 8 | |
| 14 Dec. | Cloudy | 28° /16° | 2.4 mm | 8 | |
| 15 Dec. | Patchy rain possible | 28° /16° | 1.9 mm | 9 | |
| 16 Dec. | Moderate or heavy rain shower | 26° /16° | 8.1 mm | 8 | |
| 17 Dec. | Patchy rain possible | 26° /15° | 7.6 mm | 8 | |
| 18 Dec. | Patchy rain possible | 26° /16° | 2.1 mm | 8 | |
| 19 Dec. | Partly cloudy | 25° /15° | 6.4 mm | 8 | |
| 20 Dec. | Patchy rain possible | 26° /15° | 1.9 mm | 8 | |
| 21 Dec. | Sunny | 27° /16° | 2.1 mm | 8 | |
| 22 Dec. | Moderate rain | 20° /16° | 14.3 mm | 0.7 | |
| 23 Dec. | Moderate rain | 24° /15° | 8.4 mm | 2.4 | |
| 24 Dec. | Moderate rain | 26° /16° | 14.8 mm | 2.9 | |
| 25 Dec. | Patchy rain possible | 23° /16° | 3.5 mm | 2.7 | |
| 26 Dec. | Patchy rain possible | 29° /15° | 1.9 mm | 4.8 | |
| 27 Dec. | Patchy rain possible | 26° /18° | 1 mm | 8 | |
| 28 Dec. | Patchy rain possible | 24° /17° | 3.8 mm | 7 | |
| 29 Dec. | Patchy rain possible | 29° /17° | 1.9 mm | 8 | |
| 30 Dec. | Patchy rain possible | 26° /18° | 0.2 mm | 8 | |
| 31 Dec. | Sunny | 30° /18° | 0 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Johannesburg in December 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 December - FAQ
What are the expected maximum and minimum temperatures in Johannesburg during December?
During December, 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 Johannesburg during December?
Significant rainfall exceeding 155 mm is expected in Johannesburg during December, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Johannesburg during December?
The average wind speed in Johannesburg during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Johannesburg
Explore the daily rainfall trends and prepare for Johannesburgs December weather 💧
UV exposure in Johannesburg during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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