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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

Biggest rain since last winter soaking NSW coast

15:26 EDT

Parts of the New South Wales coast are in for their biggest downpours since last winter, bringing a much needed drink to gardens and parks but also causing some flooding.

Adelaide to welcome autumn with heatwave

13:05 EDT

After a respite from intense summer heat over the last couple of weeks, Adelaide is set to sizzle once again.

Warmer seas give east coast rain a helping hand

15:19 EDT

If you wanted to stay a bit warmer today, a dip in the ocean is probably your best bet, despite the rain.