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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

Cold weather: Icy morning tipped for NSW as wild winds ease, bureau says

15:43 EST

Icy and windy weather affecting parts of the NSW central-west and Blue Mountains will continue into tomorrow, although strong coastal winds are easing, the Bureau of Meteorology (BoM) says.

Cold front delivers for boardriders

13:47 EST

After a slow start to the snow season and a week of small to no surf, an intense cold front has brought some happiness to snowboarders and surfers in Victoria and New South Wales.

Above average rainfall for WA

13:39 EST

Parts of WA have been receiving persistent showers in recent days, propelling some locations well past their monthly average.