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Grafton Climate

Grafton Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
30.3 29.7 27.7 25.7 23.0 20.6 20.5 22.4 25.6 27.2 28.6 29.4 25.9
Mean Min (°C)
19.7 19.6 17.8 14.9 10.7 8.7 7.4 7.8 11.3 13.9 16.7 18.3 13.9
Mean Rain (mm)
152.4 119.4 116.0 89.9 76.5 68.4 44.4 40.6 41.1 65.4 95.2 93.3 996.2
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
11.4 11.3 13.3 9.3 9.7 9.5 7.2 6.0 6.0 7.6 9.3 11.0 90.2

Grafton Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.6 41.3 37.3 33.7 30.0 26.5 26.0 36.2 38.4 39.0 42.9 42.5 44.6
Low Max (°C)
20.4 22.7 20.4 18.3 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 21.9 20.6 16.9 16.3 15.4 17.8 18.3 20.3 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 74.2 113.8 226.1 98.6 137.2 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 31.4 28.8 27.0 24.7 22.2 21.7 24.6 28.7 29.1 31.2 32.8 26.7
Low Mn. Max (°C)
27.7 27.6 26.2 24.2 21.5 19.3 19.6 21.2 24.0 23.8 25.6 25.7 24.9
High Mn. Min (°C)
21.0 20.2 18.8 15.8 12.4 10.1 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 12.4 15.6 16.6 13.2
High Rain (mm)
308.4 315.0 216.8 257.0 516.9 176.8 270.1 189.2 166.1 239.8 292.5 209.8 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
0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.5 1.2
≥ 35.0°C
2.8 1.3 0.3 0.0 0.0 0.0 0.0 0.1 0.5 1.4 2.0 2.5 10.5
≥ 30.0°C
15.5 12.4 5.3 0.9 0.1 0.0 0.0 0.6 3.8 7.9 10.1 12.1 66.0
≤ 2.0°C
0.0 0.0 0.0 0.0 0.1 0.8 1.5 0.7 0.0 0.0 0.0 0.0 2.8
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.1 0.6 0.1 0.0 0.0 0.0 0.0 0.7

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
11 12 11 11 11 12 12 12 13 13 12 12 11.7
Earliest Entry
2003 2003 2003 2003 2003 2003 2003 2003 2002 2002 2002 2002 2002
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
11 12 12 12 11 12 12 12 13 13 13 12 11.9
Earliest Entry
2003 2003 2003 2003 2003 2003 2003 2003 2002 2002 2002 2002 2002
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
24 25 24 25 27 26 24 24 26 25 23 22 24.4
Earliest Entry
1918 1918 1917 1917 1917 1917 1917 1917 1917 1918 1917 1917 1917
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

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

Flood-affected WA farmers plead for faster relief funding

20:49 EDT

Flood-affected farmers in the Ravensthorpe shire on the south coast of WA say the State Government has been slow in reacting to their plight, adding there is a lack of comprehension around the scale of the damage.

Hot and dry autumn ahead for Australia

17:43 EDT

The seasonal outlook for autumn is hot and dry, but what is causing it? Both maximum and minimum temperatures look to be above average, especially for central Australia, extending down through inland NSW and western VIC.

Wet end to summer for eastern NSW

13:41 EDT

Wrapping up a hot and humid summer many will be happy to forget, rain is on its way for most of NSW east of the divide.