Average annual temperature is 18.6 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -0.9 °C
Number of sunny days: 256 days
Number of rainy days: 109 days
Look at detailed online map of Gunnedah
* Weather data for Gunnedah 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 | 36.7 | 36.2 | 26.3 | 22.1 | 22.6 | 21.4 | 23.8 | 32.2 | 34.8 | 34.6 | 38.9 |
| Average daytime temperature (°C) | 32.2 | 32.0 | 30.7 | 23.6 | 18.8 | 17.2 | 17.4 | 20.8 | 25.3 | 27.3 | 28.7 | 32.6 |
| Average temperature (°C) | 25.4 | 24.8 | 23.8 | 17.3 | 12.1 | 10.8 | 10.9 | 13.4 | 17.6 | 19.8 | 22.3 | 25.7 |
| Average night temperature (°C) | 18.8 | 17.8 | 17.9 | 12.0 | 6.1 | 5.5 | 5.1 | 6.8 | 10.0 | 12.5 | 16.5 | 19.1 |
| Absolute minimum temperature (°C) | 15.0 | 12.2 | 9.7 | 6.5 | 2.6 | -0.5 | -0.9 | 3.8 | 3.6 | 7.4 | 13.3 | 14.1 |
| 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 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 11.8 | 12.0 | 10.4 | 9.5 | 9.5 | 8.2 | 8.5 | 9.8 | 10.9 | 11.7 | 10.8 | 12.2 |
| Precipitation (mm) | 40 | 15 | 113 | 28 | 0 | 24 | 18 | 15 | 4 | 42 | 104 | 61 |
| Sunny days | 18 | 20 | 15 | 21 | 30 | 24 | 21 | 23 | 27 | 27 | 11 | 19 |
| Rainy days | 13 | 8 | 16 | 9 | 1 | 6 | 10 | 8 | 3 | 4 | 19 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gunnedah is at