Average annual temperature is 15.6 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of Knysna
* Weather data for Knysna South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 41.1 | 34.4 | 32.9 | 35.4 | 30.6 | 23.4 | 24.2 | 31.9 | 27.7 | 29.6 | 40.1 | 31.4 |
| Average daytime temperature (°C) | 26.8 | 25.2 | 24.4 | 21.9 | 18.8 | 17.2 | 16.4 | 20.0 | 17.8 | 20.4 | 25.0 | 23.1 |
| Average temperature (°C) | 20.7 | 20.1 | 18.8 | 16.0 | 13.0 | 12.3 | 10.2 | 12.9 | 12.2 | 15.2 | 18.5 | 18.2 |
| Average night temperature (°C) | 15.6 | 15.8 | 14.4 | 11.1 | 8.0 | 8.2 | 4.9 | 6.9 | 7.3 | 10.7 | 12.5 | 13.4 |
| Absolute minimum temperature (°C) | 9.5 | 10.5 | 8.2 | 6.9 | 2.5 | 4.6 | 0.4 | 1.2 | 1.8 | 6.6 | 7.7 | 10.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 10.8 | 9.2 | 9.1 | 8.4 | 7.3 | 6.3 | 7.9 | 9.1 | 9.0 | 9.6 | 11.1 | 10.2 |
| Precipitation (mm) | 71 | 58 | 120 | 54 | 94 | 78 | 56 | 20 | 104 | 69 | 22 | 106 |
| Sunny days | 15 | 9 | 12 | 15 | 19 | 13 | 18 | 19 | 15 | 15 | 16 | 12 |
| Rainy days | 16 | 19 | 19 | 15 | 12 | 17 | 13 | 12 | 15 | 16 | 14 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Knysna is at