Home   Weather   Australia   Grafton   Climate
Flag for Australia

Climate & Weather Averages in Grafton, New South Wales, Australia

Currently: 16 °C. Refreshingly cool. (Weather station: Yamba, Australia). See more current weather

Annual Weather Averages in Yamba

Yamba is 49 kilometers from Grafton, so the actual climate in Grafton can vary a bit.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Grafton

High Temp: 30 °C

Low Temp: 10 °C

Mean Temp: 20 °C

Precipitation: 127.7 mm

Humidity: 75%

Dew Point: 15 °C

Wind: 18 mph

Pressure: 1017 mbar

Visibility: N/A

January Climate & Weather Averages in Grafton

High Temp: 30 °C

Low Temp: 20 °C

Mean Temp: 25 °C

Precipitation: 154.3 mm

Humidity: 79%

Dew Point: 20 °C

Wind: 19 mph

Pressure: 1012 mbar

Visibility: N/A

February Climate & Weather Averages in Grafton

High Temp: 29 °C

Low Temp: 20 °C

Mean Temp: 24 °C

Precipitation: 203.8 mm

Humidity: 80%

Dew Point: 20 °C

Wind: 20 mph

Pressure: 1013 mbar

Visibility: N/A

March Climate & Weather Averages in Grafton

High Temp: 27 °C

Low Temp: 19 °C

Mean Temp: 23 °C

Precipitation: 258.1 mm

Humidity: 81%

Dew Point: 19 °C

Wind: 19 mph

Pressure: 1016 mbar

Visibility: N/A

April Climate & Weather Averages in Grafton

High Temp: 25 °C

Low Temp: 17 °C

Mean Temp: 21 °C

Precipitation: 171.7 mm

Humidity: 78%

Dew Point: 16 °C

Wind: 17 mph

Pressure: 1018 mbar

Visibility: N/A

May Climate & Weather Averages in Grafton

High Temp: 23 °C

Low Temp: 13 °C

Mean Temp: 18 °C

Precipitation: 94.6 mm

Humidity: 76%

Dew Point: 13 °C

Wind: 16 mph

Pressure: 1020 mbar

Visibility: N/A

June Climate & Weather Averages in Grafton

High Temp: 20 °C

Low Temp: 12 °C

Mean Temp: 16 °C

Precipitation: 180.7 mm

Humidity: 77%

Dew Point: 11 °C

Wind: 17 mph

Pressure: 1020 mbar

Visibility: N/A

July Climate & Weather Averages in Grafton

High Temp: 20 °C

Low Temp: 10 °C

Mean Temp: 15 °C

Precipitation: 69.6 mm

Humidity: 71%

Dew Point: 9 °C

Wind: 16 mph

Pressure: 1020 mbar

Visibility: N/A

August Climate & Weather Averages in Grafton

High Temp: 22 °C

Low Temp: 11 °C

Mean Temp: 16 °C

Precipitation: 67.9 mm

Humidity: 67%

Dew Point: 9 °C

Wind: 17 mph

Pressure: 1019 mbar

Visibility: N/A

September Climate & Weather Averages in Grafton

High Temp: 24 °C

Low Temp: 13 °C

Mean Temp: 19 °C

Precipitation: 47.7 mm

Humidity: 70%

Dew Point: 12 °C

Wind: 18 mph

Pressure: 1019 mbar

Visibility: N/A

October Climate & Weather Averages in Grafton

High Temp: 26 °C

Low Temp: 15 °C

Mean Temp: 21 °C

Precipitation: 77.1 mm

Humidity: 73%

Dew Point: 15 °C

Wind: 19 mph

Pressure: 1017 mbar

Visibility: N/A

November Climate & Weather Averages in Grafton

High Temp: 28 °C

Low Temp: 17 °C

Mean Temp: 23 °C

Precipitation: 91.4 mm

Humidity: 74%

Dew Point: 17 °C

Wind: 19 mph

Pressure: 1014 mbar

Visibility: N/A

December Climate & Weather Averages in Grafton

High Temp: 29 °C

Low Temp: 19 °C

Mean Temp: 24 °C

Precipitation: 115.7 mm

Humidity: 77%

Dew Point: 19 °C

Wind: 19 mph

Pressure: 1013 mbar

Visibility: N/A

Quick Climate Info

Hottest Month January (25 °C avg)
Coldest Month July (15 °C avg)
Wettest Month March (258.1 mm avg)
Windiest Month February (20 mph avg)
Annual precip. 1532.6 mm (per year)

Weather by CustomWeather, © 2025