Average annual temperature is 16.9 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 194 days
Number of rainy days: 171 days
Look at detailed online map of Swinburne
* Weather data for Swinburne 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) | 41.1 | 31.7 | 37.5 | 38.5 | 32.0 | 23.0 | 26.1 | 32.7 | 30.7 | 29.9 | 31.9 | 40.2 |
| Average daytime temperature (°C) | 27.7 | 26.4 | 25.7 | 23.5 | 20.0 | 18.2 | 17.4 | 20.9 | 18.4 | 19.4 | 23.3 | 23.5 |
| Average temperature (°C) | 22.1 | 21.3 | 20.0 | 17.5 | 14.6 | 13.1 | 12.3 | 14.9 | 13.9 | 15.7 | 18.2 | 19.0 |
| Average night temperature (°C) | 17.2 | 17.1 | 15.7 | 13.0 | 10.2 | 8.9 | 8.1 | 10.1 | 10.0 | 12.3 | 13.8 | 14.8 |
| Absolute minimum temperature (°C) | 10.9 | 11.1 | 9.8 | 7.7 | 5.1 | 3.9 | 4.5 | 4.3 | 6.6 | 8.4 | 11.2 | 10.4 |
| 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 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| 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) | 11.7 | 10.2 | 9.4 | 8.5 | 7.5 | 7.0 | 8.4 | 9.5 | 9.2 | 9.3 | 11.8 | 11.5 |
| Precipitation (mm) | 38 | 39 | 53 | 37 | 115 | 56 | 37 | 7 | 85 | 95 | 16 | 37 |
| Sunny days | 19 | 9 | 17 | 19 | 18 | 14 | 19 | 23 | 17 | 10 | 18 | 11 |
| Rainy days | 12 | 19 | 14 | 11 | 13 | 16 | 12 | 8 | 13 | 21 | 12 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Swinburne is at