Average annual temperature is 13.6 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 185 days
Number of rainy days: 177 days
Number of snow days: 3 days
Look at detailed online map of Black Streams
* Weather data for Black Streams 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) | 31.7 | 29.1 | 27.1 | 25.4 | 23.1 | 19.1 | 20.8 | 23.5 | 29.2 | 30.5 | 35.6 | 32.3 |
| Average daytime temperature (°C) | 25.3 | 23.1 | 23.6 | 20.8 | 15.8 | 13.4 | 14.1 | 18.2 | 20.2 | 20.3 | 26.8 | 23.8 |
| Average temperature (°C) | 18.6 | 17.1 | 16.8 | 14.0 | 9.9 | 7.8 | 7.7 | 10.6 | 12.7 | 13.1 | 18.6 | 16.4 |
| Average night temperature (°C) | 12.4 | 12.4 | 11.2 | 7.8 | 4.7 | 3.3 | 2.0 | 3.6 | 5.4 | 6.6 | 10.9 | 10.8 |
| Absolute minimum temperature (°C) | 5.3 | 8.0 | 5.3 | 1.2 | -1.4 | -0.7 | -2.9 | -3.0 | -3.7 | 0.8 | 2.6 | 6.9 |
| 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) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| 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 | 14.0 |
| Sunshine mean duration (h) | 10.6 | 9.7 | 10.6 | 9.7 | 7.8 | 8.6 | 8.7 | 9.8 | 9.7 | 9.5 | 11.4 | 9.5 |
| Precipitation (mm) | 158 | 159 | 55 | 13 | 84 | 6 | 9 | 1 | 31 | 66 | 36 | 164 |
| Sunny days | 9 | 5 | 10 | 22 | 17 | 23 | 22 | 27 | 22 | 11 | 14 | 3 |
| Rainy days | 22 | 23 | 21 | 8 | 14 | 7 | 6 | 4 | 8 | 20 | 16 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Black Streams is at