Average annual temperature is 18.1 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 231 days
Number of rainy days: 134 days
Look at detailed online map of Muswellbrook
* Weather data for Muswellbrook 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) | 37.5 | 38.3 | 38.7 | 26.0 | 22.2 | 23.1 | 23.2 | 24.5 | 32.3 | 33.6 | 36.0 | 39.7 |
| Average daytime temperature (°C) | 30.3 | 30.9 | 29.7 | 22.9 | 19.3 | 17.6 | 18.3 | 20.4 | 24.7 | 26.5 | 28.4 | 32.1 |
| Average temperature (°C) | 23.3 | 23.8 | 22.8 | 17.3 | 12.5 | 11.4 | 11.6 | 13.3 | 16.7 | 18.9 | 21.5 | 24.6 |
| Average night temperature (°C) | 17.9 | 18.0 | 17.4 | 12.8 | 7.0 | 6.9 | 6.6 | 7.6 | 9.7 | 12.1 | 16.3 | 18.7 |
| Absolute minimum temperature (°C) | 13.9 | 12.9 | 10.7 | 7.9 | 2.5 | 1.4 | 0.8 | 4.3 | 4.7 | 7.5 | 12.2 | 14.8 |
| 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 | 10.2 | 11.0 | 11.9 | 12.9 | 13.8 | 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) | 11.1 | 11.7 | 9.7 | 9.5 | 9.1 | 8.3 | 8.6 | 9.5 | 10.8 | 11.1 | 10.4 | 11.6 |
| Precipitation (mm) | 64 | 11 | 84 | 60 | 2 | 22 | 14 | 25 | 10 | 49 | 68 | 63 |
| Sunny days | 13 | 18 | 15 | 13 | 26 | 21 | 23 | 23 | 22 | 27 | 11 | 19 |
| Rainy days | 18 | 10 | 16 | 17 | 5 | 9 | 8 | 8 | 8 | 4 | 19 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Muswellbrook is at