Average annual temperature is 18.5 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
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* Weather data for By-Products 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 | 31.4 | 32.1 | 30.9 | 28.8 | 27.1 | 27.0 | 30.2 | 35.7 | 37.0 | 37.2 | 36.3 |
| Average daytime temperature (°C) | 28.8 | 26.2 | 27.5 | 26.6 | 22.5 | 22.2 | 20.2 | 23.8 | 29.3 | 25.9 | 29.8 | 28.2 |
| Average temperature (°C) | 22.1 | 20.7 | 20.8 | 19.0 | 15.3 | 14.0 | 12.5 | 15.2 | 20.0 | 18.7 | 22.3 | 21.6 |
| Average night temperature (°C) | 15.3 | 16.5 | 15.1 | 12.1 | 9.5 | 7.3 | 6.0 | 7.7 | 11.6 | 12.3 | 15.6 | 16.2 |
| Absolute minimum temperature (°C) | 10.7 | 13.6 | 10.8 | 7.5 | 3.6 | 2.4 | 2.4 | 1.6 | 5.7 | 6.3 | 7.1 | 11.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.4 | 10.5 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.7 | 8.5 | 10.5 | 10.2 | 8.8 | 9.3 | 9.0 | 9.8 | 10.4 | 8.6 | 10.4 | 8.7 |
| Precipitation (mm) | 108 | 212 | 35 | 10 | 39 | 15 | 11 | 1 | 10 | 156 | 42 | 173 |
| Sunny days | 18 | 5 | 14 | 21 | 16 | 27 | 26 | 28 | 21 | 16 | 14 | 7 |
| Rainy days | 13 | 23 | 17 | 9 | 15 | 3 | 5 | 3 | 9 | 15 | 16 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in By-Products is at