Average annual temperature is 15.1 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 219 days
Number of rainy days: 145 days
Number of snow days: 1 day
Look at detailed online map of Swartfontein (4)
* Weather data for Swartfontein (4) 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) | 33.4 | 31.0 | 29.1 | 26.3 | 24.3 | 20.9 | 22.6 | 24.0 | 31.1 | 33.0 | 38.2 | 34.6 |
| Average daytime temperature (°C) | 27.9 | 25.9 | 25.8 | 21.7 | 17.8 | 14.7 | 15.9 | 20.0 | 22.8 | 25.5 | 29.6 | 28.1 |
| Average temperature (°C) | 20.6 | 19.2 | 18.2 | 14.3 | 10.6 | 7.6 | 8.0 | 11.1 | 14.4 | 16.6 | 21.2 | 20.1 |
| Average night temperature (°C) | 13.9 | 13.4 | 12.2 | 7.3 | 4.6 | 1.8 | 1.1 | 2.7 | 5.9 | 8.8 | 12.5 | 13.5 |
| Absolute minimum temperature (°C) | 8.6 | 7.8 | 7.0 | 2.2 | -0.6 | -1.9 | -2.2 | -3.6 | -0.9 | 2.8 | 5.3 | 10.1 |
| 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) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| 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) | 12.2 | 10.2 | 10.7 | 9.8 | 8.3 | 8.2 | 8.6 | 9.9 | 9.9 | 11.2 | 11.8 | 11.5 |
| Precipitation (mm) | 148 | 125 | 99 | 21 | 88 | 12 | 16 | 2 | 33 | 22 | 19 | 160 |
| Sunny days | 12 | 8 | 12 | 21 | 19 | 24 | 23 | 28 | 24 | 21 | 19 | 8 |
| Rainy days | 19 | 20 | 19 | 9 | 12 | 6 | 7 | 3 | 6 | 10 | 11 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Swartfontein (4) is at