Weather in Cape Town for December 2025
So far, December 2025 in Cape Town is slightly warmer than the historical average by 1.4 °C.
Expect cooler weather in the next days in Cape Town with the forecast suggesting a temperature of 22.5 °C, lower than the historical average.
In general, the average temperature in Cape Town at the beginning of December is 23.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.7 °C by the end of December.
Cape Town experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 20.4 mm.
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Cape Town Weather December
Temperatures trend during December in Cape Town
December weather in Cape Town day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Partly cloudy | 23° /15° | 0.1 mm | 8 | |
| 2 Dec. |  Patchy rain possible | 22° /15° | 0.3 mm | 8 | |
| 3 Dec. | Partly cloudy | 23° /14° | 0.3 mm | 8 | |
| 4 Dec. | Patchy rain possible | 24° /14° | 0.8 mm | 8 | |
| 5 Dec. | Patchy rain possible | 22° /15° | 3 mm | 8 | |
| 6 Dec. |  Sunny | 23° /14° | 0.8 mm | 8 | |
| 7 Dec. | Partly cloudy | 25° /14° | 0 mm | 8 | |
| 8 Dec. | Sunny | 25° /15° | 0.1 mm | 9 | |
| 9 Dec. | Sunny | 25° /16° | 0.1 mm | 9 | |
| 10 Dec. | Sunny | 26° /15° | 0 mm | 9 | |
| 11 Dec. | Partly cloudy | 25° /16° | 0.5 mm | 9 | |
| 12 Dec. | Patchy rain possible | 23° /16° | 5.1 mm | 8 | |
| 13 Dec. | Patchy rain possible | 22° /15° | 1 mm | 8 | |
| 14 Dec. | Sunny | 23° /14° | 0 mm | 8 | |
| 15 Dec. | Sunny | 22° /16° | 0 mm | 3.5 | |
| 16 Dec. | Patchy rain possible | 23° /17° | 0.6 mm | 3.3 | |
| 17 Dec. | Patchy rain possible | 20° /17° | 1 mm | 3.1 | |
| 18 Dec. | Sunny | 21° /16° | 0 mm | 3.4 | |
| 19 Dec. | Sunny | 23° /17° | 0 mm | 4.5 | |
| 20 Dec. | Sunny | 23° /17° | 0 mm | 9 | |
| 21 Dec. | Sunny | 25° /17° | 0 mm | 9 | |
| 22 Dec. | Sunny | 24° /20° | 0.1 mm | 9 | |
| 23 Dec. | Patchy rain possible | 21° /17° | 0.2 mm | 7 | |
| 24 Dec. | Partly cloudy | 22° /17° | 0 mm | 8 | |
| 25 Dec. | Sunny | 22° /18° | 0 mm | 8 | |
| 26 Dec. | Sunny | 22° /17° | 0 mm | 8 | |
| 27 Dec. | Sunny | 23° /17° | 0 mm | 8 | |
| 28 Dec. | Sunny | 24° /18° | 0 mm | 9 | |
| 29 Dec. | Sunny | 24° /16° | 0.1 mm | 8 | |
| 30 Dec. | Patchy rain possible | 25° /16° | 0.4 mm | 8 | |
| 31 Dec. | Patchy rain possible | 26° /16° | 0.1 mm | 8 | |
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Cape Town in December - FAQ
Cape Town water temperatures in December
The average water temperature of the Atlantic Ocean near Cape Town in December is 14.8 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Cape Town in December?
- The average water temperature in Cape Town in December is 14.8 °C.
- Can you swim in Cape Town in December?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
December rainfall patterns in Cape Town
UV exposure in Cape Town during December
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