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Home › Climate › Gunnedah Climate

Gunnedah Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
 33.9 32.7 30.0 26.3 21.8 18.0 17.1 19.4 23.2 27.0 30.0 31.5 26.1
Mean Min (°C)
 18.2 18.1 14.9 10.7 5.2 3.7 2.0 2.8 6.0 9.9 14.3 16.2 10.3
Mean Rain (mm)
 55.6 77.3 34.6 21.0 22.9 37.5 32.4 30.7 47.8 49.4 74.5 92.6 581.0
Median Rain (mm)
 29.6 58.0 23.6 15.7 17.7 33.2 28.3 16.8 50.4 39.6 43.3 55.2 474.3
Mean Rain Days
 7.5 8.5 4.7 4.5 4.5 8.4 7.9 6.9 6.4 7.9 9.5 10.0 77.1

Gunnedah Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
 42.3 42.8 39.0 32.9 29.0 24.0 22.9 31.6 33.5 38.0 42.1 42.8 42.8
Low Max (°C)
 21.7 17.4 20.0 16.8 11.7 9.2 9.0 11.6 12.3 13.5 17.9 19.9 9.0
High Min (°C)
 29.2 27.4 22.8 19.0 14.5 16.0 13.7 14.8 17.4 19.9 25.8 27.3 29.2
Low Min (°C)
 6.1 6.4 2.6 -0.1 -4.5 -5.8 -6.0 -5.4 -2.5 0.0 1.8 5.0 -6.0
High Rain (mm)
 88.0 74.8 42.2 24.6 25.8 35.8 32.8 33.8 43.2 34.6 64.2 60.2 88.0

Gunnedah Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
 36.2 35.0 31.4 29.3 22.9 18.9 18.7 22.2 24.6 30.0 34.5 35.2 27.2
Low Mn. Max (°C)
 30.8 29.2 28.6 24.0 20.3 14.8 15.6 16.5 21.0 24.3 27.0 27.1 24.2
High Mn. Min (°C)
 20.6 19.7 16.5 12.3 8.3 5.9 4.6 4.5 7.7 11.2 16.6 18.2 10.8
Low Mn. Min (°C)
 16.4 15.8 12.7 8.5 2.4 1.7 -0.5 0.7 3.5 8.0 12.3 14.3 9.4
High Rain (mm)
 153.0 177.4 96.6 69.8 50.6 69.4 93.4 66.8 88.8 82.2 197.2 182.8 911.8
Low Rain (mm)
 11.4 38.8 0.0 0.2 0.2 8.6 0.2 3.6 0.8 12.2 17.8 16.2 266.8

Gunnedah Annual Temperatures & Rainfall

Gunnedah annual climate

Gunnedah Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
 1.4 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 0.7 3.5
≥ 35°C
 12.6 8.1 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.7 4.5 6.7 31.2
≥ 30°C
 24.8 22.1 16.6 3.8 0.0 0.0 0.0 0.1 2.0 8.0 15.1 18.4 101.7
≤ 2°C
 0.0 0.0 0.0 0.9 7.6 10.7 15.8 13.6 5.5 1.1 0.1 0.0 46.7
≤ 0°C
 0.0 0.0 0.0 0.2 4.0 6.9 10.6 10.1 1.4 0.1 0.0 0.0 27.8

Gunnedah 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
 38.0 37.0 33.7 29.7 25.0 21.0 20.0 23.0 27.6 32.0 35.2 36.9 33.9
Low Max
 30.0 28.7 26.6 22.7 19.0 15.0 14.0 15.5 18.8 23.0 25.0 27.7 18.0
High Min
 21.6 21.1 18.3 14.3 9.9 8.7 6.7 7.9 10.5 14.2 18.4 19.8 18.2
Low Min
 15.0 14.6 11.1 7.0 0.5 -1.1 -2.0 -2.0 1.7 5.0 10.0 12.3 1.6

Gunnedah Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
 10 11 11 11 10 9 10 10 10 11 11 10 10.3
Earliest Entry
 2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Maxima
 10 11 11 11 10 10 10 10 10 11 11 10 10.4
Earliest Entry
 2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Rainfall
 10 11 11 11 10 10 10 10 10 11 11 10 10.3
Earliest Entry
 2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012

Station Details

GUNNEDAH AIRPORT AWS
NW Slopes & Plains, New South Wales/ACT
30.9537°S 150.2494°E 263m AMSL
Commenced 2001

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

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