Annual Weather Averages Near Mount Isa
Averages are for Mount Isa Amo, which is 3 miles from Mount Isa.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Mount Isa
High Temp: 99 °F
Low Temp: 47 °F
Mean Temp: 76 °F
Precipitation: 1.37"
Humidity: 39%
Dew Point: 47 °F
Wind: 14 mph
Pressure: 29.90 "Hg
Visibility: 14 mi
January Climate & Weather Averages in Mount Isa
High Temp: 98 °F
Low Temp: 74 °F
Mean Temp: 86 °F
Precipitation: 3.89"
Humidity: 51%
Dew Point: 63 °F
Wind: 14 mph
Pressure: 29.71 "Hg
Visibility: 13 mi
February Climate & Weather Averages in Mount Isa
High Temp: 96 °F
Low Temp: 73 °F
Mean Temp: 85 °F
Precipitation: 3.72"
Humidity: 54%
Dew Point: 63 °F
Wind: 14 mph
Pressure: 29.72 "Hg
Visibility: 14 mi
March Climate & Weather Averages in Mount Isa
High Temp: 95 °F
Low Temp: 71 °F
Mean Temp: 82 °F
Precipitation: 1.98"
Humidity: 46%
Dew Point: 58 °F
Wind: 14 mph
Pressure: 29.81 "Hg
Visibility: 14 mi
April Climate & Weather Averages in Mount Isa
High Temp: 91 °F
Low Temp: 65 °F
Mean Temp: 78 °F
Precipitation: 0.41"
Humidity: 36%
Dew Point: 48 °F
Wind: 15 mph
Pressure: 29.93 "Hg
Visibility: 14 mi
May Climate & Weather Averages in Mount Isa
High Temp: 83 °F
Low Temp: 56 °F
Mean Temp: 69 °F
Precipitation: 0.31"
Humidity: 40%
Dew Point: 42 °F
Wind: 14 mph
Pressure: 30.02 "Hg
Visibility: 14 mi
June Climate & Weather Averages in Mount Isa
High Temp: 78 °F
Low Temp: 49 °F
Mean Temp: 63 °F
Precipitation: 0.32"
Humidity: 43%
Dew Point: 39 °F
Wind: 14 mph
Pressure: 30.07 "Hg
Visibility: 14 mi
July Climate & Weather Averages in Mount Isa
High Temp: 78 °F
Low Temp: 47 °F
Mean Temp: 62 °F
Precipitation: 0.12"
Humidity: 38%
Dew Point: 35 °F
Wind: 13 mph
Pressure: 30.08 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Mount Isa
High Temp: 82 °F
Low Temp: 49 °F
Mean Temp: 66 °F
Precipitation: 0.09"
Humidity: 31%
Dew Point: 32 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 14 mi
September Climate & Weather Averages in Mount Isa
High Temp: 90 °F
Low Temp: 57 °F
Mean Temp: 74 °F
Precipitation: 0.34"
Humidity: 28%
Dew Point: 36 °F
Wind: 14 mph
Pressure: 29.98 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Mount Isa
High Temp: 96 °F
Low Temp: 65 °F
Mean Temp: 80 °F
Precipitation: 0.75"
Humidity: 27%
Dew Point: 40 °F
Wind: 15 mph
Pressure: 29.90 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Mount Isa
High Temp: 98 °F
Low Temp: 70 °F
Mean Temp: 84 °F
Precipitation: 1.73"
Humidity: 34%
Dew Point: 49 °F
Wind: 16 mph
Pressure: 29.81 "Hg
Visibility: 13 mi
December Climate & Weather Averages in Mount Isa
High Temp: 99 °F
Low Temp: 73 °F
Mean Temp: 86 °F
Precipitation: 2.82"
Humidity: 42%
Dew Point: 57 °F
Wind: 15 mph
Pressure: 29.74 "Hg
Visibility: 13 mi