Weather in South Africa for December 2025
The forecast for the first days of December 2025 in South Africa predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in South Africa at the beginning of December is 27.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28 °C by the end of December.
South Africa experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 149.3 mm.
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South Africa Weather December
What’s the Weather Like in South Africa This December?
Temperatures trend during December in South Africa
December weather in South Africa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate rain | 26° /16° | 7.3 mm | 1.7 | |
| 2 Dec. |  Patchy rain possible | 30° /15° | 3.5 mm | 3.6 | |
| 3 Dec. | Patchy rain possible | 30° /16° | 3.6 mm | 4.8 | |
| 4 Dec. | Patchy rain possible | 23° /16° | 2 mm | 7 | |
| 5 Dec. | Patchy rain possible | 26° /16° | 0.8 mm | 8 | |
| 6 Dec. | Patchy rain possible | 27° /17° | 1.1 mm | 8 | |
| 7 Dec. | Patchy rain possible | 30° /17° | 0.4 mm | 8 | |
| 8 Dec. | Patchy rain possible | 31° /17° | 2.8 mm | 8 | |
| 9 Dec. | Patchy rain possible | 31° /18° | 1 mm | 8 | |
| 10 Dec. | Patchy rain possible | 29° /18° | 4.5 mm | 8 | |
| 11 Dec. | Patchy rain possible | 27° /18° | 4.5 mm | 8 | |
| 12 Dec. | Moderate rain | 23° /16° | 14.4 mm | 7 | |
| 13 Dec. | Moderate rain | 28° /18° | 12.5 mm | 8 | |
| 14 Dec. | Patchy rain possible | 30° /17° | 3.7 mm | 9 | |
| 15 Dec. | Patchy rain possible | 29° /17° | 2.9 mm | 9 | |
| 16 Dec. |  Moderate or heavy rain shower | 29° /17° | 6.7 mm | 9 | |
| 17 Dec. | Patchy rain possible | 28° /16° | 6 mm | 9 | |
| 18 Dec. | Patchy rain possible | 28° /17° | 2.4 mm | 9 | |
| 19 Dec. | Patchy rain possible | 26° /16° | 4.5 mm | 8 | |
| 20 Dec. |  Sunny | 28° /16° | 2.7 mm | 9 | |
| 21 Dec. | Patchy rain possible | 28° /18° | 2.2 mm | 9 | |
| 22 Dec. | Moderate rain at times | 26° /17° | 4.6 mm | 8 | |
| 23 Dec. | Moderate or heavy rain shower | 30° /17° | 3.7 mm | 8 | |
| 24 Dec. | Sunny | 31° /18° | 2.7 mm | 9 | |
| 25 Dec. | Patchy rain possible | 27° /18° | 8.5 mm | 8 | |
| 26 Dec. | Patchy rain possible | 27° /17° | 4.6 mm | 8 | |
| 27 Dec. | Patchy rain possible | 26° /17° | 15.1 mm | 8 | |
| 28 Dec. |  Overcast | 29° /17° | 1.8 mm | 8 | |
| 29 Dec. | Moderate rain at times | 29° /17° | 2.6 mm | 8 | |
| 30 Dec. | Patchy rain possible | 29° /17° | 2.1 mm | 8 | |
| 31 Dec. |  Partly cloudy | 29° /17° | 3.2 mm | 9 | |
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Guide for South Africa in December
In December, South Africa experiences a variety of weather conditions, depending on the region.
In the beginning of the month, the northern parts of the country, such as Johannesburg and Pretoria, typically have warm and pleasant weather with temperatures averaging around 25° during the day and 15° at night.
The coastal areas, including Cape Town, may also have mild temperatures around 20° during the day and 14° at night, with occasional light showers.
Towards the end of December, the weather in South Africa becomes warmer as it transitions into the summer season. Inland areas can experience higher temperatures, reaching around 30° during the day and 18° at night.
Coastal regions may also see an increase in temperatures, with Cape Town averaging around 25° during the day and 16° at night.
However, it's important to note that December is also the start of the rainy season in some parts of the country, so there may be occasional thunderstorms and heavy downpours, particularly in the northeastern regions.
Overall, December in South Africa offers a mix of warm and sometimes rainy weather, making it an ideal time to explore the diverse landscapes and wildlife that the country has to offer.
South Africa in December - FAQ
December rainfall patterns in South Africa
UV exposure in South Africa during December
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