The temperatures in Knysna in May are comfortable with low of 15°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Knysna during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Knysna in May 2025.
If you’re planning to visit Knysna in the near future, we highly recommend that you review the 14 day weather forecast for Knysna before you arrive.
Temperatures
21° / 15°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
52
mm
Sun Hours
11.1
Hrs