Mount Isa August Weather

Averages and records for weather in Mount Isa, Queensland in the month of August.
Typical Mount Isa August Weather
1991–2020
Average daily high 27.8 °C
Average daily low 9.8 °C
Average monthly precipitation 0.2 cm
Daily chance of precipitation 2.1%
Mount Isa August Weather Records
1926–2023
Highest temperature 36.4 °C August 29, 2009
Lowest temperature -1.1 °C August 25, 2000
Highest daily low 21.3 °C August 23, 2003
Lowest daily high 14.1 °C August 8, 1996
Hottest average high temperature 31.6 °C 2009
Coldest average high temperature 24.9 °C 1989
Most daily precipitation 4.5 cm August 18, 1947
Most monthly precipitation 5.0 cm 1947
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
August 1 26.4 8.5 34.9 0.9
August 2 26.5 8.6 34.6 -0.8
August 3 26.6 8.6 33.2 -0.7
August 4 26.7 8.7 34.4 1.2
August 5 26.8 8.8 34.2 0.9
August 6 26.8 8.9 33.6 2.3
August 7 26.9 8.9 32.6 0.9
August 8 27.0 8.9 33.9 1.0
August 9 27.1 9.0 33.1 1.8
August 10 27.2 9.1 33.6 2.0
August 11 27.3 9.2 32.5 3.3
August 12 27.4 9.3 33.5 2.5
August 13 27.5 9.4 34.8 0.9
August 14 27.5 9.5 33.9 0.8
August 15 27.6 9.7 35.6 1.3
August 16 27.7 9.8 35.3 -0.3
August 17 27.8 10.0 36.3 1.5
August 18 28.0 10.1 35.6 2.2
August 19 28.1 10.2 36.1 0.3
August 20 28.2 10.4 33.9 1.3
August 21 28.4 10.5 34.8 1.4
August 22 28.5 10.7 35.0 1.2
August 23 28.7 10.8 35.8 3.8
August 24 28.9 11.0 35.8 -0.4
August 25 29.0 11.2 33.0 -1.1
August 26 29.1 11.4 34.9 0.9
August 27 29.3 11.6 35.6 2.4
August 28 29.4 11.7 36.1 2.0
August 29 29.5 11.8 36.4 1.9
August 30 29.7 11.9 35.0 3.2
August 31 29.8 12.1 35.7 4.9
Weather Station Details
Years Station Coordinates
1971–2023 Mount Isa Aero location
1926–1970 Mount Isa Post Office location