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Mt Isa Climate

Mt Isa Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
 36.4 35.4 34.4 32.0 28.0 24.9 24.8 27.4 31.3 34.7 36.6 37.1 31.9
Mean Min (°C)
 23.7 23.3 21.8 18.5 13.8 10.0 8.7 10.2 14.2 18.4 21.5 23.1 17.3
Mean Rain (mm)
 118.1 101.3 63.6 14.3 12.7 6.5 6.0 3.6 8.7 17.9 38.6 76.0 470.8
Median Rain (mm)
 72.8 85.6 38.0 1.8 3.7 0.0 0.0 0.4 0.4 8.6 25.2 49.4 421.2
Mean Rain Days
 9.9 9.0 5.7 2.2 1.7 1.1 0.9 1.0 1.7 3.2 5.4 8.0 48.6

Mt Isa Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
 45.9 43.5 41.9 38.6 37.8 34.3 35.2 36.4 39.8 42.5 43.9 45.1 45.9
Low Max (°C)
 22.8 23.1 23.3 17.0 15.6 9.4 10.1 14.1 14.8 19.1 19.1 20.4 9.4
High Min (°C)
 31.6 30.1 29.3 27.3 24.0 20.3 20.1 21.3 26.6 27.6 30.1 30.7 31.6
Low Min (°C)
 15.4 13.1 13.1 5.8 1.8 -1.3 -2.9 -1.1 1.0 6.1 10.3 13.4 -2.9
High Rain (mm)
 213.0 148.8 153.8 44.6 106.4 54.8 61.8 26.6 70.3 34.2 102.4 109.4 213.0

Mt Isa Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
 39.9 40.5 38.3 35.1 31.1 28.8 26.9 31.6 35.3 38.2 39.8 39.7 34.2
Low Mn. Max (°C)
 30.0 31.3 30.2 26.9 24.2 20.4 22.6 24.9 27.6 31.9 32.7 31.6 29.9
High Mn. Min (°C)
 26.2 25.5 24.4 20.9 17.7 13.9 12.9 13.8 17.8 21.7 24.1 25.8 19.3
Low Mn. Min (°C)
 21.1 19.9 18.4 15.3 9.3 6.5 5.0 5.9 10.8 14.6 19.7 20.1 15.4
High Rain (mm)
 535.2 251.8 276.6 167.8 176.4 111.8 67.4 41.8 117.0 91.4 205.6 275.2 1092.4
Low Rain (mm)
 0.2 2.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.6 101.6

Mt Isa Annual Temperatures & Rainfall

MOUNT ISA AERO

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Mt Isa Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
 4.8 2.4 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.8 4.0 6.4 18.3
≥ 35.0°C
 21.5 16.2 14.3 4.3 0.2 0.0 0.0 0.3 5.1 16.3 22.1 23.6 120.6
≥ 30.0°C
 28.4 25.7 28.6 23.5 9.1 1.7 1.7 7.5 20.2 27.6 28.4 29.2 225.5
≤ 2.0°C
 0.0 0.0 0.0 0.0 0.0 0.7 1.4 0.7 0.1 0.0 0.0 0.0 2.7
≤ 0.0°C
 0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.1 0.0 0.0 0.0 0.0 0.6

Mt Isa 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
 40.0 39.0 37.0 34.7 31.2 28.5 28.4 31.2 35.3 38.0 39.8 40.5 37.9
Low Max
 32.0 31.4 31.7 28.9 24.3 21.1 21.0 23.2 26.8 30.9 33.1 33.5 25.1
High Min
 26.3 25.7 24.4 22.0 18.5 14.3 13.1 15.0 18.8 22.6 24.9 26.1 24.0
Low Min
 21.3 21.2 18.6 15.0 9.4 5.6 4.0 5.6 9.8 14.3 17.9 20.2 9.3

Mt Isa Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
 50 50 50 50 50 50 50 49 49 49 50 50 49.8
Earliest Entry
 1967 1967 1967 1967 1967 1967 1967 1967 1967 1967 1967 1966 1966
Latest Entry
 2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Maxima
 50 50 51 50 50 50 50 49 49 49 50 50 49.8
Earliest Entry
 1967 1967 1967 1967 1967 1967 1967 1967 1967 1967 1967 1966 1966
Latest Entry
 2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Rainfall
 51 51 51 51 50 50 50 50 49 50 50 50 50.1
Earliest Entry
 1967 1967 1967 1967 1968 1967 1967 1967 1968 1967 1967 1966 1966
Latest Entry
 2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Related Links

Station Details

MOUNT ISA AERO
Northwest, Queensland
20.6778°S 139.4875°E 340m AMSL
Commenced 1966
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