Mount Isa 2024 Climate Summary
Understanding Mount Isa's climate patterns is essential for planning your stay. The city experiences a distinctive seasonal rhythm that shapes its weather throughout the year.
Temperatures in Mount Isa range between 11.2°C in winter and 37.7°C in summer, a variation of 8.6°C across the year.
The wettest month is Jan (176mm), and the driest is Aug (0mm). This creates an annual total of 551mm distributed across about 64 rain days.
Compared to the Queensland average, Mount Isa is 4.2°C warmer. Its annual rainfall of 551mm is typical of the region's climate patterns.
Understanding these patterns helps determine the best times to visit Mount Isa. Whether you prefer warm dry conditions or milder temperatures, Mount Isa's climate offers distinct seasonal advantages throughout the year.
Note on methodology: this page summarises 2024 observations only. Long-record climate trend analysis drawn from ACORN-SAT (1910 to present) is in development. For context on multi-decade change, see the BOM State of the Climate report.
Temperature Profile
Monthly maximum and minimum temperature ranges showing seasonal variation in Mount Isa's climate.
Climate Analysis
The temperature data for Mount Isa reveals clear seasonal patterns. The annual average maximum is 31.3°C, while the average minimum is 19.9°C. This 11.4°C range demonstrates the city's seasonal temperature variation.
Rainfall Pattern
Monthly rainfall distribution throughout Mount Isa showing wet and dry season patterns.
Annual rainfall totals 551mm, distributed across the calendar year. The distribution pattern shows distinct wet and dry periods that influence local climate conditions.
Climate Summary Table
Complete monthly climate averages including temperature, precipitation, solar radiation, and humidity data.
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % |
|---|---|---|---|---|---|---|
| January | 34.3 | 24.9 | 176 | 17 | 21.3 | 43% |
| February | 31.2 | 23.1 | 132 | 17 | 21.4 | 55% |
| March | 31.9 | 23.0 | 113 | 9 | 20.4 | 47% |
| April | 30.0 | 18.6 | 1 | 0 | 21.0 | 28% |
| May | 28.1 | 16.9 | 8 | 2 | 17.2 | 30% |
| June | 24.6 | 12.0 | 4 | 1 | 16.7 | 25% |
| July | 23.3 | 11.2 | 15 | 2 | 17.0 | 26% |
| August | 29.5 | 16.1 | 0 | 0 | 21.0 | 18% |
| September | 32.0 | 19.6 | 0 | 0 | 23.4 | 16% |
| October | 36.3 | 23.2 | 11 | 2 | 25.9 | 13% |
| November | 36.4 | 25.0 | 75 | 8 | 24.0 | 26% |
| December | 37.7 | 25.2 | 16 | 6 | 27.3 | 23% |