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

Power generators switched on for first time as SA, Victoria suffer through heatwave

18:56 EDT

Temporary diesel power generators owned by the South Australian Government have been switched on for the first time, as the Australian Energy Market Operator (AEMO) deals with record-breaking heat conditions across SA and Victoria.

Adelaide now hottest capital city on record as temperatures soar throughout SA

18:05 EDT

Adelaide has hit a sweltering 46.6 degrees Celsius, surpassing the previous record set in Melbourne a decade ago to officially become the hottest capital in the country.

Victorian heatwave: Locals left to sweat it out as blackout hits two central towns

16:48 EDT

A power blackout has left two towns in central Victoria to sweat out a day of extreme heat without air-conditioning, refrigeration or even a public swimming pool.