Average annual temperature is 15.8 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of Biesiesvlei
* Weather data for Biesiesvlei 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) | 34.0 | 31.7 | 28.3 | 25.8 | 24.2 | 21.1 | 21.8 | 23.3 | 30.2 | 33.1 | 35.8 | 34.2 |
| Average daytime temperature (°C) | 28.7 | 25.9 | 25.7 | 22.4 | 18.2 | 15.0 | 15.6 | 19.2 | 22.3 | 25.7 | 29.2 | 27.9 |
| Average temperature (°C) | 21.7 | 19.7 | 18.7 | 15.4 | 11.7 | 8.5 | 8.5 | 11.6 | 14.6 | 17.6 | 21.6 | 20.6 |
| Average night temperature (°C) | 15.3 | 14.2 | 12.5 | 9.2 | 6.2 | 3.3 | 2.6 | 4.8 | 6.8 | 9.8 | 13.8 | 14.2 |
| Absolute minimum temperature (°C) | 7.2 | 9.8 | 6.2 | 3.6 | 0.4 | -0.6 | -2.8 | -2.5 | -1.2 | 3.6 | 5.5 | 9.8 |
| 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 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.2 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.4 | 10.4 | 10.7 | 10.0 | 8.9 | 8.9 | 9.1 | 10.0 | 10.1 | 11.3 | 11.9 | 11.7 |
| Precipitation (mm) | 103 | 112 | 66 | 14 | 71 | 6 | 6 | 0 | 23 | 30 | 20 | 122 |
| Sunny days | 12 | 10 | 12 | 23 | 20 | 26 | 26 | 28 | 25 | 23 | 18 | 11 |
| Rainy days | 19 | 18 | 19 | 7 | 11 | 4 | 5 | 3 | 5 | 8 | 12 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biesiesvlei is at