Average annual temperature is 17.7 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 246 days
Number of rainy days: 119 days
Look at detailed online map of Swartland
* Weather data for Swartland 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) | 40.8 | 38.1 | 37.6 | 34.5 | 28.0 | 20.9 | 24.3 | 29.1 | 27.6 | 36.8 | 40.3 | 36.7 |
| Average daytime temperature (°C) | 32.3 | 32.2 | 27.5 | 24.3 | 19.9 | 16.0 | 16.7 | 18.9 | 17.6 | 26.9 | 30.0 | 31.1 |
| Average temperature (°C) | 24.0 | 24.2 | 20.6 | 17.7 | 14.0 | 12.4 | 11.1 | 12.9 | 12.5 | 19.4 | 21.6 | 22.9 |
| Average night temperature (°C) | 17.3 | 18.0 | 15.5 | 12.3 | 9.4 | 9.2 | 6.4 | 7.8 | 8.0 | 13.2 | 14.8 | 16.5 |
| Absolute minimum temperature (°C) | 13.9 | 11.4 | 12.7 | 7.9 | 4.6 | 4.4 | 2.0 | 2.6 | 2.2 | 8.7 | 11.1 | 13.8 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.3 | 10.4 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.8 | 11.6 | 9.8 | 8.4 | 8.1 | 6.0 | 8.2 | 8.6 | 8.8 | 11.5 | 11.8 | 13.1 |
| Precipitation (mm) | 3 | 21 | 55 | 60 | 70 | 204 | 48 | 75 | 82 | 3 | 6 | 5 |
| Sunny days | 25 | 22 | 18 | 20 | 24 | 8 | 21 | 18 | 13 | 25 | 25 | 27 |
| Rainy days | 6 | 6 | 13 | 10 | 7 | 22 | 10 | 13 | 17 | 6 | 5 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Swartland during the most sunny months:
The largest precipitation sum in Swartland is at