Average annual temperature is 20.6 °C
Absolute maximum temperature: 44.1 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 298 days
Number of rainy days: 67 days
Look at detailed online map of Slamannon
* Weather data for Slamannon Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 42.4 | 43.1 | 42.4 | 33.1 | 24.6 | 26.7 | 22.2 | 26.9 | 36.2 | 37.0 | 42.1 | 44.1 |
| Average daytime temperature (°C) | 35.5 | 34.8 | 32.2 | 24.7 | 19.9 | 17.6 | 17.4 | 21.0 | 27.4 | 27.4 | 32.2 | 35.6 |
| Average temperature (°C) | 29.1 | 28.0 | 25.7 | 18.7 | 13.6 | 12.3 | 11.6 | 14.2 | 19.9 | 20.7 | 25.3 | 28.8 |
| Average night temperature (°C) | 22.6 | 20.7 | 19.2 | 12.7 | 7.2 | 8.1 | 7.0 | 7.8 | 12.4 | 13.9 | 18.8 | 21.9 |
| Absolute minimum temperature (°C) | 15.1 | 11.7 | 12.1 | 6.7 | 2.8 | 2.1 | 3.3 | 3.2 | 3.8 | 8.1 | 12.8 | 15.7 |
| 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) | 14.0 | 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) | 11.8 | 12.1 | 10.4 | 9.6 | 9.0 | 7.1 | 7.5 | 9.5 | 10.8 | 11.1 | 11.6 | 12.3 |
| Precipitation (mm) | 18 | 0 | 1 | 11 | 2 | 65 | 22 | 14 | 9 | 25 | 61 | 4 |
| Sunny days | 25 | 27 | 29 | 26 | 29 | 18 | 23 | 25 | 27 | 27 | 19 | 23 |
| Rainy days | 6 | 1 | 2 | 4 | 2 | 12 | 8 | 6 | 3 | 4 | 11 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Slamannon is at