Average annual temperature is 21.0 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 270 days
Number of rainy days: 95 days
Look at detailed online map of Thornhill
* Weather data for Thornhill 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) | 37.3 | 40.4 | 38.2 | 32.2 | 24.8 | 29.1 | 24.0 | 30.0 | 36.2 | 39.8 | 39.8 | 37.0 |
| Average daytime temperature (°C) | 32.7 | 33.6 | 31.1 | 26.7 | 20.3 | 21.7 | 19.4 | 24.3 | 28.2 | 31.0 | 31.1 | 33.6 |
| Average temperature (°C) | 26.4 | 27.3 | 25.2 | 20.1 | 13.5 | 14.5 | 13.0 | 16.9 | 20.6 | 23.7 | 24.7 | 26.7 |
| Average night temperature (°C) | 20.8 | 20.6 | 20.1 | 14.1 | 7.6 | 8.6 | 7.7 | 10.1 | 13.1 | 16.1 | 19.3 | 20.6 |
| Absolute minimum temperature (°C) | 16.0 | 17.2 | 14.0 | 8.9 | 2.5 | 2.6 | 1.7 | 5.4 | 6.0 | 11.0 | 16.1 | 16.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.3 | 11.2 | 9.2 | 9.8 | 9.6 | 9.2 | 8.3 | 10.0 | 11.2 | 11.6 | 9.9 | 12.3 |
| Precipitation (mm) | 57 | 4 | 101 | 16 | 23 | 1 | 53 | 4 | 0 | 0 | 76 | 79 |
| Sunny days | 13 | 21 | 20 | 26 | 27 | 26 | 24 | 26 | 28 | 30 | 11 | 18 |
| Rainy days | 18 | 7 | 11 | 4 | 4 | 4 | 7 | 5 | 2 | 1 | 19 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thornhill is at