Average annual temperature is 17.2 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Blacktown
* Weather data for Blacktown 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) | 34.9 | 35.9 | 37.6 | 26.7 | 22.3 | 22.5 | 24.6 | 25.1 | 33.9 | 35.1 | 33.9 | 40.3 |
| Average daytime temperature (°C) | 27.1 | 28.5 | 27.7 | 22.3 | 19.3 | 17.9 | 18.8 | 19.9 | 24.6 | 26.3 | 25.8 | 29.1 |
| Average temperature (°C) | 21.4 | 22.1 | 21.3 | 16.6 | 12.4 | 11.4 | 11.7 | 12.8 | 16.4 | 18.3 | 19.8 | 22.6 |
| Average night temperature (°C) | 17.1 | 17.1 | 16.6 | 12.1 | 7.0 | 6.5 | 6.0 | 7.1 | 9.6 | 11.9 | 15.2 | 17.9 |
| Absolute minimum temperature (°C) | 12.2 | 12.2 | 10.9 | 7.8 | 1.9 | 1.2 | 1.8 | 3.3 | 4.1 | 6.9 | 10.0 | 14.2 |
| 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 | 10.2 | 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) | 9.8 | 10.5 | 8.8 | 8.8 | 8.9 | 7.7 | 8.7 | 9.0 | 10.5 | 10.8 | 9.5 | 11.0 |
| Precipitation (mm) | 117 | 79 | 99 | 69 | 14 | 25 | 10 | 37 | 16 | 26 | 128 | 105 |
| Sunny days | 6 | 10 | 11 | 9 | 19 | 19 | 23 | 12 | 23 | 18 | 6 | 9 |
| Rainy days | 25 | 18 | 20 | 21 | 12 | 11 | 8 | 19 | 7 | 13 | 24 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Blacktown is at