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South Johnstone Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.3 30.8 29.9 28.3 26.3 24.5 24.0 25.3 27.3 29.1 30.5 31.3 28.2
Mean Min (°C)
22.7 22.9 22.1 20.6 18.6 16.1 15.1 15.6 16.9 19.0 20.8 22.1 19.3
Mean Rain (mm)
532.1 595.1 636.5 405.4 268.9 155.5 108.8 89.7 85.8 98.9 152.7 268.5 3401.6
Median Rain (mm)
433.9 534.6 521.0 366.6 237.2 127.9 93.2 67.8 50.4 58.2 104.3 192.7 3270.6
Mean Rain Days
18.3 18.9 21.1 20.0 18.9 15.8 15.5 14.1 12.4 11.3 12.1 14.3 189.3

South Johnstone Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
40.0 39.6 37.6 35.0 32.0 31.0 32.2 32.3 35.0 36.3 39.8 40.4 40.4
Low Max (°C)
23.7 24.5 23.3 22.0 17.2 17.1 18.0 16.8 18.5 22.4 24.0 24.0 16.8
High Min (°C)
29.2 27.5 27.2 25.0 24.5 23.2 22.1 23.0 23.5 25.5 27.6 26.7 29.2
Low Min (°C)
14.4 16.0 15.0 11.7 7.4 5.4 3.3 6.8 7.3 9.6 10.8 14.9 3.3
High Rain (mm)
441.0 398.0 414.0 318.0 207.0 157.5 88.9 124.0 118.0 264.9 236.2 309.0 441.0

South Johnstone Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.8 32.9 31.4 29.9 27.5 26.0 25.5 27.2 29.1 31.7 32.9 33.4 29.1
Low Mn. Max (°C)
28.1 28.3 28.0 26.6 24.6 22.7 22.6 22.9 25.7 27.1 28.8 29.0 27.4
High Mn. Min (°C)
23.8 23.9 23.3 22.8 20.6 19.2 19.4 17.9 21.2 21.7 22.4 23.7 21.2
Low Mn. Min (°C)
20.5 20.5 19.9 18.2 14.8 11.9 10.5 12.2 13.3 16.2 18.0 19.6 17.4
High Rain (mm)
2740.6 1496.7 1576.9 1033.2 825.4 503.2 405.5 414.3 393.0 431.1 804.0 1048.7 5158.7
Low Rain (mm)
12.1 23.4 40.8 4.4 8.9 7.7 3.6 5.1 0.0 0.0 15.0 23.2 1354.9

South Johnstone Annual Temperatures & Rainfall

South Johnstone annual climate

South Johnstone Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
≥ 35°C
1.4 1.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.5 1.4 4.6
≥ 30°C
23.5 18.7 16.3 4.8 0.5 0.1 0.1 0.3 2.1 9.9 19.6 23.1 110.7
≤ 2°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

South Johnstone 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
33.2 33.0 31.9 30.0 28.0 26.7 26.0 27.5 29.0 31.0 32.3 33.4 31.7
Low Max
29.1 28.3 28.0 26.5 24.4 22.5 22.0 23.0 25.3 27.1 28.8 29.1 24.5
High Min
24.0 24.1 23.7 22.8 21.2 19.8 19.0 19.0 19.9 21.5 23.0 24.0 23.0
Low Min
21.0 21.3 20.2 18.3 15.6 11.9 10.8 12.0 14.0 16.5 18.5 20.1 15.0

South Johnstone Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
45 43 43 42 42 42 45 44 43 42 43 42 43.1
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Maxima
46 45 43 43 42 42 44 44 43 43 43 42 43.3
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Rainfall
84 83 83 82 82 82 83 83 83 83 82 82 82.5
Earliest Entry
1920 1920 1920 1920 1920 1920 1920 1920 1920 1920 1920 1920 1920
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012

Station Details

SOUTH JOHNSTONE EXP STN
Nth Cst & Tableland, Queensland
17.6053°S 145.9972°E 18m AMSL
Commenced 1920

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Heavy May rainfall breaks records in the NT, WA and SA

19:36 EST Over the past 24 hours, a northwest cloud band has delivered some spectacular rain from the northwest WA to the inland SA and the NT.

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