Click on a day for an hourly weather forecast
The temperatures in Clanwilliam in May are usually low and can range between 10°C and 19°C.
The wather in Clanwilliam in May can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Clanwilliam in May 2025.
If you’re planning to visit Clanwilliam in the near future, we highly recommend that you review the 14 day weather forecast for Clanwilliam before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 17° | 2 | 29 | 0 | 25 mm | Good | Clanwilliam in January |
| February | 29° / 18° | 1 | 27 | 0 | 23 mm | Good | Clanwilliam in February |
| March | 27° / 16° | 1 | 30 | 0 | 19 mm | Perfect | Clanwilliam in March |
| April | 23° / 13° | 1 | 29 | 0 | 24 mm | Perfect | Clanwilliam in April |
| May | 19° / 10° | 2 | 29 | 0 | 24 mm | Good | Clanwilliam in May |
| June | 15° / 7° | 3 | 27 | 0 | 36 mm | Good | Clanwilliam in June |
| July | 15° / 6° | 2 | 29 | 1 | 21 mm | Good | Clanwilliam in July |
| August | 16° / 6° | 2 | 28 | 1 | 21 mm | Good | Clanwilliam in August |
| September | 20° / 8° | 0 | 30 | 0 | 9 mm | Good | Clanwilliam in September |
| October | 24° / 11° | 1 | 30 | 0 | 13 mm | Perfect | Clanwilliam in October |
| November | 25° / 13° | 1 | 29 | 0 | 12 mm | Perfect | Clanwilliam in November |
| December | 28° / 15° | 1 | 30 | 0 | 31 mm | Perfect | Clanwilliam in December |