Click on a day for an hourly weather forecast
The temperatures in Gansbaai in December are comfortable with low of 17°C and and high up to 22°C.
You can expect a few rainy days in Gansbaai during December, but usually the weather is comfortable in December.
Our weather forecast can give you a great sense of what weather to expect in Gansbaai in December 2025.
If you’re planning to visit Gansbaai in the near future, we highly recommend that you review the 14 day weather forecast for Gansbaai before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 18° | 2 | 29 | 0 | 22 mm | Perfect | Gansbaai in January |
| February | 24° / 18° | 2 | 26 | 0 | 18 mm | Perfect | Gansbaai in February |
| March | 23° / 18° | 3 | 28 | 0 | 30 mm | Perfect | Gansbaai in March |
| April | 21° / 16° | 3 | 27 | 0 | 32 mm | Good | Gansbaai in April |
| May | 19° / 14° | 4 | 27 | 0 | 64 mm | Good | Gansbaai in May |
| June | 17° / 12° | 6 | 24 | 0 | 91 mm | Good | Gansbaai in June |
| July | 16° / 11° | 5 | 26 | 0 | 66 mm | Good | Gansbaai in July |
| August | 16° / 11° | 6 | 25 | 0 | 68 mm | Good | Gansbaai in August |
| September | 17° / 12° | 4 | 26 | 0 | 50 mm | Good | Gansbaai in September |
| October | 19° / 14° | 3 | 28 | 0 | 40 mm | Good | Gansbaai in October |
| November | 20° / 15° | 4 | 26 | 0 | 42 mm | Good | Gansbaai in November |
| December | 22° / 17° | 2 | 29 | 0 | 21 mm | Good | Gansbaai in December |