Average annual temperature is 10.2 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 168 days
Number of rainy days: 196 days
Number of snow days: 1 day
Look at detailed online map of Thornleigh
* Weather data for Thornleigh 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) | 28.0 | 27.3 | 29.3 | 18.0 | 14.7 | 14.3 | 13.3 | 15.2 | 22.4 | 22.7 | 26.3 | 28.5 |
| Average daytime temperature (°C) | 21.8 | 21.4 | 19.2 | 14.5 | 9.8 | 7.9 | 9.3 | 11.0 | 15.7 | 15.6 | 19.3 | 21.5 |
| Average temperature (°C) | 15.8 | 15.4 | 14.2 | 9.6 | 5.3 | 4.6 | 4.3 | 5.5 | 9.2 | 9.7 | 13.1 | 15.7 |
| Average night temperature (°C) | 11.2 | 10.8 | 10.4 | 5.9 | 2.1 | 2.4 | 0.6 | 1.5 | 3.8 | 4.8 | 8.4 | 11.1 |
| Absolute minimum temperature (°C) | 6.1 | 5.4 | 5.4 | 2.8 | -1.4 | -3.2 | -2.6 | -3.5 | -1.8 | 0.2 | 3.4 | 7.4 |
| 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 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.3 | 13.4 | 12.3 | 11.2 | 10.2 | 9.7 | 10.0 | 10.8 | 11.9 | 13.0 | 14.0 | 14.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 10.1 | 11.0 | 9.7 | 8.1 | 7.2 | 5.7 | 7.6 | 8.2 | 10.5 | 10.6 | 9.5 | 11.1 |
| Precipitation (mm) | 94 | 31 | 63 | 62 | 37 | 36 | 20 | 22 | 19 | 64 | 120 | 135 |
| Sunny days | 6 | 11 | 11 | 12 | 20 | 9 | 22 | 17 | 21 | 20 | 9 | 10 |
| Rainy days | 25 | 17 | 20 | 18 | 11 | 20 | 9 | 14 | 9 | 11 | 21 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thornleigh is at