Average annual temperature is 15.1 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 229 days
Number of rainy days: 135 days
Number of snow days: 1 day
Look at detailed online map of Swartfontein (1)
* Weather data for Swartfontein (1) 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) | 32.1 | 30.8 | 28.6 | 25.9 | 24.1 | 21.0 | 22.1 | 23.6 | 30.3 | 33.4 | 34.7 | 32.9 |
| Average daytime temperature (°C) | 27.4 | 25.1 | 25.6 | 22.5 | 18.4 | 15.4 | 15.9 | 19.7 | 23.0 | 25.8 | 27.9 | 27.0 |
| Average temperature (°C) | 20.5 | 19.0 | 18.1 | 14.5 | 11.1 | 8.1 | 7.6 | 10.5 | 14.5 | 17.4 | 20.3 | 20.0 |
| Average night temperature (°C) | 14.2 | 13.5 | 12.0 | 7.5 | 5.3 | 2.1 | 0.7 | 2.0 | 5.8 | 9.2 | 12.5 | 13.8 |
| Absolute minimum temperature (°C) | 9.0 | 8.7 | 5.6 | 1.2 | -2.0 | -1.8 | -4.3 | -3.7 | 0.0 | 4.4 | 4.4 | 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) | 13.8 | 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) | 12.3 | 10.1 | 10.6 | 10.0 | 8.9 | 8.8 | 9.0 | 9.9 | 10.0 | 11.0 | 11.9 | 11.5 |
| Precipitation (mm) | 140 | 141 | 67 | 23 | 45 | 14 | 10 | 1 | 23 | 44 | 31 | 168 |
| Sunny days | 12 | 7 | 11 | 24 | 18 | 25 | 24 | 26 | 26 | 23 | 21 | 12 |
| Rainy days | 19 | 21 | 20 | 6 | 13 | 5 | 6 | 5 | 4 | 8 | 9 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Swartfontein (1) is at