Grafton Climate

Grafton Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
30.5 30.0 28.0 25.8 23.2 20.6 20.5 22.4 25.4 27.3 28.8 29.6 26.0
Mean Min (°C)
19.8 19.6 18.1 15.0 10.9 8.8 7.5 7.9 11.4 13.8 16.7 18.3 14.0
Mean Rain (mm)
151.3 111.8 122.6 85.3 75.7 72.0 42.5 43.2 41.2 62.4 93.4 91.4 992.0
Median Rain (mm)
141.1 68.2 93.5 74.9 39.1 51.2 19.6 19.6 21.9 43.5 73.5 77.8 933.8
Mean Rain Days
11.9 11.2 13.5 9.7 9.8 9.7 7.5 6.2 6.3 7.4 9.3 11.2 92.2

Grafton Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.6 46.3 37.3 33.7 30.4 30.4 27.6 36.2 38.4 39.0 42.9 42.5 46.3
Low Max (°C)
20.4 22.7 20.4 17.7 16.1 14.0 13.2 14.6 15.6 17.5 18.3 18.2 13.2
High Min (°C)
28.6 24.3 22.7 20.7 18.8 16.3 17.7 17.8 18.3 20.4 22.8 23.6 28.6
Low Min (°C)
13.4 15.0 12.0 5.0 1.8 -0.8 -1.9 -0.2 3.2 5.8 8.5 11.3 -1.9
High Rain (mm)
116.2 136.0 103.4 113.8 226.1 128.4 137.2 99.8 109.0 91.0 131.1 74.2 226.1

Grafton Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
32.0 33.3 30.2 27.9 26.6 22.2 21.7 24.6 28.7 29.1 31.2 32.8 27.2
Low Mn. Max (°C)
27.7 27.6 26.2 24.2 21.5 19.3 19.6 21.2 23.7 23.8 25.6 25.7 24.9
High Mn. Min (°C)
21.3 20.6 19.4 16.2 12.4 10.3 9.0 9.3 12.9 15.4 18.4 19.4 14.4
Low Mn. Min (°C)
18.4 18.6 16.4 13.3 9.1 6.3 5.7 5.7 10.0 12.3 15.6 16.6 13.2
High Rain (mm)
308.4 315.0 394.8 257.0 516.9 219.6 270.1 189.2 166.1 239.8 292.5 209.8 1673.6
Low Rain (mm)
11.5 0.0 16.2 8.8 0.0 0.0 1.6 0.0 0.0 0.0 15.9 6.0 592.5

Grafton Annual Temperatures & Rainfall

GRAFTON RESEARCH STN

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

Grafton Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.4 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.5 1.4
≥ 35.0°C
3.3 2.1 0.3 0.0 0.0 0.0 0.0 0.1 0.5 1.2 2.1 2.9 11.6
≥ 30.0°C
15.9 13.2 6.7 1.1 0.1 0.1 0.0 0.5 3.3 7.7 10.9 12.6 67.5
≤ 2.0°C
0.0 0.0 0.0 0.0 0.1 0.7 1.4 0.6 0.0 0.0 0.0 0.0 2.4
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.1 0.5 0.1 0.0 0.0 0.0 0.0 0.6

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
34.1 32.5 30.1 28.0 25.3 23.1 23.1 25.7 29.7 32.2 32.8 34.1 31.1
Low Max
26.7 26.4 25.2 23.4 21.0 18.2 18.4 19.5 21.8 22.6 24.5 26.0 20.8
High Min
22.0 21.5 19.3 17.3 14.0 12.5 11.0 11.4 14.7 17.1 19.3 20.8 19.5
Low Min
17.2 17.9 15.6 12.2 7.0 4.8 3.9 4.3 8.1 10.7 13.6 15.7 7.3

Grafton Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
14 15 14 14 14 14 14 14 15 15 14 14 14.1
Earliest Entry
2003 2003 2003 2003 2003 2003 2003 2003 2002 2002 2002 2002 2002
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Maxima
14 15 15 15 14 14 14 14 15 15 15 14 14.3
Earliest Entry
2003 2003 2003 2003 2003 2003 2003 2003 2002 2002 2002 2002 2002
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Rainfall
27 28 27 28 30 28 26 26 28 27 25 24 26.7
Earliest Entry
1918 1918 1917 1917 1917 1917 1917 1917 1917 1918 1917 1917 1917
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Station Details

GRAFTON RESEARCH STN
Northern Rivers, New South Wales ACT
29.6224°S 152.9605°E 25m AMSL
Commenced 1917
Display Your Local Weather

Weather News

Drought-affected farmers hit hard as freak hailstorm wipes out crops in NSW hinterland

19:14 EST

Farmers struggling to cope with the drought are desperate for rain, but in northern New South Wales they have instead been hit by a severe hailstorm, which has wiped out a number of crops.

Asthma sufferers urged to stay indoors as South Australia braces for damaging winds and dust

15:35 EST

Asthma sufferers are being urged to stay indoors tomorrow as the state braces for potentially damaging winds and dusty conditions.

Rain reaches parts of western NSW but no real relief for farmers battling drought

11:54 EST

Rain has fallen in some parts of western NSW but farmers in the most critically dry areas have been left disappointed after failing to receive a single drop.