Germiston
December
Weather in Germiston for December 2025
Your guide to Germiston weather in December - trends and predictions
In general, the average temperature in Germiston at the beginning of December is 32 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.4 °C by the end of December.
Germiston in December brings notable rainfall, with an average of 17 rainy days and a total precipitation of 143.3 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
29°/17°
Temperatures
20 km/h
Avg max wind
49 %
Avg humidity
Germiston in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2 32° | 3 33° | 4  33° | 5 33° | 6  32° | 7  30° |
| 8 31° | 9  32° | 10 27° | 11 27° | 12 31° | 13 31° | 14  30° |
| 15  29° | 16 28° | 17 32° | 18 31° | 19 27° | 20  26° | 21 28° |
| 22  25° | 23 29° | 24 26° | 25 22° | 26 24° | 27 22° | 28 26° |
| 29 24° | 30 27° | 31 26° |
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Temperatures trend during December in Germiston
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 | 31° /16° | 0 mm | 11 | |
| 2 Dec. | Sunny | 32° /19° | 0 mm | 11 | |
| 3 Dec. | Sunny | 33° /20° | 0 mm | 11 | |
| 4 Dec. | Cloudy | 33° /21° | 0 mm | 11 | |
| 5 Dec. | Cloudy | 33° /21° | 0.6 mm | 10 | |
| 6 Dec. | Thundery outbreaks possible | 32° /18° | 3 mm | 11 | |
| 7 Dec. | Light rain shower | 30° /18° | 7.6 mm | 10 | |
| 8 Dec. | Patchy rain possible | 31° /18° | 1.7 mm | 10 | |
| 9 Dec. | Patchy light rain with thunder | 32° /19° | 2.1 mm | 10 | |
| 10 Dec. | Light rain shower | 27° /17° | 7.6 mm | 9 | |
| 11 Dec. | Light rain shower | 27° /17° | 9.8 mm | 9 | |
| 12 Dec. | Sunny | 31° /16° | 1.3 mm | 10 | |
| 13 Dec. | Patchy rain possible | 31° /18° | 1.1 mm | 10 | |
| 14 Dec. | Partly cloudy | 30° /16° | 3.4 mm | 10 | |
| 15 Dec. | Patchy light drizzle | 29° /17° | 1 mm | 10 | |
| 16 Dec. | Patchy rain possible | 28° /16° | 5.3 mm | 9 | |
| 17 Dec. | Patchy rain possible | 32° /17° | 15.1 mm | 10 | |
| 18 Dec. | Patchy light rain | 31° /19° | 4 mm | 10 | |
| 19 Dec. | Sunny | 27° /18° | 12.5 mm | 10 | |
| 20 Dec. | Moderate rain at times | 26° /16° | 5.8 mm | 9 | |
| 21 Dec. | Patchy rain possible | 28° /19° | 4.4 mm | 9 | |
| 22 Dec. | Overcast | 25° /18° | 2.7 mm | 9 | |
| 23 Dec. | Patchy rain possible | 29° /18° | 4 mm | 9 | |
| 24 Dec. | Patchy rain possible | 26° /18° | 4.3 mm | 9 | |
| 25 Dec. | Light rain shower | 22° /16° | 13.7 mm | 8 | |
| 26 Dec. | Light rain shower | 24° /14° | 8.8 mm | 9 | |
| 27 Dec. | Patchy rain possible | 22° /14° | 10.3 mm | 8 | |
| 28 Dec. | Patchy rain possible | 26° /15° | 4.4 mm | 9 | |
| 29 Dec. | Patchy rain possible | 24° /15° | 5.6 mm | 9 | |
| 30 Dec. | Sunny | 27° /15° | 0.6 mm | 10 | |
| 31 Dec. | Sunny | 26° /17° | 10.3 mm | 10 | |
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Important Notice
Our weather forecast for Germiston 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 Germiston forecast closer to your planned date for the most up-to-date weather information.
Germiston in December - FAQ
What are the expected maximum and minimum temperatures in Germiston during December?
During December, expect a variety of temperatures with highs around 29° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Germiston during December?
Significant rainfall exceeding 143.3 mm is expected in Germiston during December, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Germiston during December?
The average wind speed in Germiston during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Germiston
Explore the daily rainfall trends and prepare for Germistons December weather 💧
UV exposure in Germiston during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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