Average annual temperature is 25.2 °C
Absolute maximum temperature: 43.5 °C
Absolute minimum temperature: 8.0 °C
Number of sunny days: 282 days
Number of rainy days: 83 days
Look at detailed online map of Mount Isa
* Weather data for Mount Isa 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) | 38.9 | 38.1 | 34.9 | 35.6 | 30.6 | 31.4 | 29.1 | 32.0 | 36.8 | 39.4 | 40.4 | 43.5 |
| Average daytime temperature (°C) | 33.6 | 31.0 | 30.8 | 31.0 | 25.7 | 26.9 | 23.4 | 28.3 | 32.0 | 34.8 | 36.2 | 38.9 |
| Average temperature (°C) | 28.5 | 26.1 | 25.9 | 25.3 | 19.5 | 20.7 | 17.9 | 22.0 | 25.7 | 28.2 | 30.2 | 32.9 |
| Average night temperature (°C) | 24.3 | 22.1 | 21.5 | 19.6 | 13.8 | 14.8 | 13.0 | 15.5 | 18.8 | 20.9 | 24.1 | 26.0 |
| Absolute minimum temperature (°C) | 22.1 | 18.5 | 18.3 | 13.2 | 9.0 | 10.3 | 8.0 | 11.4 | 14.0 | 15.6 | 21.1 | 21.5 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.5 | 9.4 | 8.4 | 9.9 | 10.3 | 9.6 | 9.1 | 10.5 | 11.0 | 11.5 | 11.3 | 12.5 |
| Precipitation (mm) | 90 | 157 | 330 | 7 | 0 | 0 | 31 | 0 | 0 | 5 | 41 | 8 |
| Sunny days | 8 | 13 | 16 | 26 | 31 | 29 | 28 | 31 | 30 | 29 | 19 | 22 |
| Rainy days | 23 | 15 | 15 | 4 | 0 | 1 | 3 | 0 | 0 | 2 | 11 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mount Isa is at