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Home › Climate › Grafton Climate

Grafton Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
 29.4 29.4 27.9 25.4 23.0 20.3 20.2 22.2 24.7 26.1 27.8 28.0 25.4
Mean Min (°C)
 18.8 18.8 17.1 13.5 8.6 6.8 4.8 6.0 10.2 12.8 16.3 17.3 12.6
Mean Rain (mm)
 127.9 165.0 172.0 90.4 80.0 87.1 39.8 63.3 48.1 82.0 123.6 113.8 1212.7
Median Rain (mm)
 83.0 108.2 110.6 62.2 48.8 55.0 26.3 23.0 36.7 53.7 132.4 96.2 1149.5
Mean Rain Days
 13.2 14.1 15.4 12.3 12.0 12.3 9.2 7.8 9.8 9.5 13.4 13.8 107.9

Grafton Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
 37.6 37.6 36.6 31.5 29.6 24.7 25.6 36.3 32.6 35.1 38.8 40.3 40.3
Low Max (°C)
 21.4 22.5 21.2 18.5 16.8 13.9 13.1 16.4 16.1 17.4 19.0 19.9 13.1
High Min (°C)
 23.2 23.8 21.7 20.5 18.1 16.6 15.0 16.1 16.9 19.3 22.6 22.1 23.8
Low Min (°C)
 10.8 13.4 9.6 0.4 0.2 -1.8 -3.4 -2.2 2.6 3.2 6.7 8.7 -3.4
High Rain (mm)
 90.0 242.4 410.0 61.6 137.0 108.8 38.8 129.8 30.8 105.4 53.8 230.0 410.0

Grafton Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
 31.8 30.8 28.5 26.3 24.8 22.0 20.8 24.5 26.0 28.9 30.2 30.0 26.1
Low Mn. Max (°C)
 27.9 27.8 27.0 24.4 21.9 19.4 19.6 21.2 23.9 23.7 25.9 25.9 24.9
High Mn. Min (°C)
 19.5 19.8 18.1 14.8 10.8 8.6 6.9 7.3 11.7 14.3 17.5 18.7 13.3
Low Mn. Min (°C)
 18.0 18.2 15.3 11.6 6.6 5.4 2.5 3.1 8.7 12.1 14.9 15.6 12.1
High Rain (mm)
 388.8 375.8 596.8 175.4 314.8 218.8 143.8 214.0 109.6 336.6 166.4 295.0 1462.4
Low Rain (mm)
 16.8 31.5 20.4 33.1 19.4 6.6 0.4 1.2 20.8 2.4 44.4 9.2 648.2

Grafton Annual Temperatures & Rainfall

Grafton annual climate

Grafton 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 0.2 0.1
≥ 35°C
 1.7 1.0 0.2 0.0 0.0 0.0 0.0 0.2 0.0 0.2 1.5 0.3 4.3
≥ 30°C
 13.3 10.8 5.3 0.4 0.0 0.0 0.0 0.5 2.3 5.7 7.8 8.5 47.0
≤ 2°C
 0.0 0.0 0.0 0.1 0.7 3.2 7.5 4.8 0.0 0.0 0.0 0.0 14.0
≤ 0°C
 0.0 0.0 0.0 0.0 0.0 0.8 2.5 1.2 0.0 0.0 0.0 0.0 3.9

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
 33.0 32.1 30.2 27.8 25.2 22.5 22.5 25.3 28.5 30.5 32.1 31.1 30.1
Low Max
 26.5 26.5 25.7 23.3 21.0 17.8 18.0 19.5 21.1 22.1 24.0 24.6 20.4
High Min
 21.2 21.1 19.7 16.5 13.4 12.1 9.4 11.6 14.1 16.7 18.9 19.9 18.8
Low Min
 16.3 16.9 14.4 9.9 4.3 2.3 1.2 1.6 6.2 8.8 13.7 14.0 4.8

Grafton Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
 6 6 6 7 6 6 6 6 6 6 6 6 6.1
Earliest Entry
 2007 2007 2007 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Maxima
 6 6 6 7 6 6 6 6 6 6 6 6 6.1
Earliest Entry
 2007 2007 2007 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Rainfall
 13 13 13 14 12 11 11 12 11 11 10 12 11.8
Earliest Entry
 1999 1999 1999 1993 1999 1999 1999 1992 1999 1999 1999 1999 1992
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012

Station Details

GRAFTON AIRPORT AWS
Northern Rivers, New South Wales/ACT
29.7583°S 153.0297°E 25m AMSL
Commenced 1973

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