Gunnedah Airport Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
34.6 33.1 30.3 26.4 21.7 17.8 17.4 19.6 23.5 27.5 30.5 32.8 26.2
Mean Min (°C)
18.6 17.9 15.5 10.7 5.6 3.6 2.1 2.6 5.7 10.0 14.1 16.4 10.2
Mean Rain (mm)
48.1 64.1 55.4 23.8 27.1 42.9 31.5 33.7 44.7 50.3 73.6 73.1 571.7
Median Rain (mm)
29.6 58.0 23.6 15.7 17.7 33.2 28.3 16.8 50.4 39.6 43.3 55.2 474.3
Mean Rain Days
7.9 7.4 6.8 4.8 5.3 8.8 7.8 6.7 6.4 7.2 8.8 9.0 86.3

Gunnedah Airport Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
46.9 46.5 40.4 34.0 29.0 24.7 25.0 31.6 35.6 39.6 42.4 43.7 46.9
Low Max (°C)
19.7 17.4 19.4 13.8 11.7 7.6 9.0 11.6 12.3 13.5 17.9 19.9 7.6
High Min (°C)
29.2 29.2 23.0 19.1 17.6 16.0 13.7 15.2 19.1 19.9 25.8 27.3 29.2
Low Min (°C)
6.1 6.4 2.6 -0.3 -4.5 -6.8 -6.6 -5.4 -3.4 0.0 1.8 4.4 -6.8
High Rain (mm)
88.0 74.8 80.6 24.6 42.2 64.0 32.8 42.4 50.2 65.8 98.8 71.8 98.8

Gunnedah Airport Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
38.8 37.0 32.9 29.6 22.9 19.1 19.7 22.8 26.8 30.4 34.5 37.0 28.1
Low Mn. Max (°C)
30.8 29.2 28.1 24.0 20.0 14.8 15.6 16.5 19.6 24.2 26.5 27.1 24.2
High Mn. Min (°C)
22.3 19.7 17.4 12.8 8.6 6.2 4.6 6.2 7.7 12.6 16.6 18.2 11.2
Low Mn. Min (°C)
16.4 15.8 12.7 7.4 1.8 1.0 -0.5 0.3 3.5 6.8 10.6 12.4 9.1
High Rain (mm)
153.0 177.4 218.0 93.2 60.0 99.4 93.4 101.8 160.4 155.8 304.8 228.8 989.8
Low Rain (mm)
0.0 0.2 0.0 0.0 0.0 4.4 0.2 3.6 0.8 2.8 5.6 1.4 232.6

Gunnedah Airport Annual Temperatures & Rainfall

Gunnedah Airport annual climate

Gunnedah Airport Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
2.1 1.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.7 0.9 5.1
≥ 35°C
15.5 9.1 2.9 0.0 0.0 0.0 0.0 0.0 0.0 0.9 5.5 10.2 43.4
≥ 30°C
26.7 22.3 17.2 3.5 0.0 0.0 0.0 0.0 2.1 9.0 16.7 22.6 119.2
≤ 2°C
0.0 0.0 0.0 1.0 7.1 11.4 16.6 14.9 6.4 1.0 0.0 0.0 57.9
≤ 0°C
0.0 0.0 0.0 0.1 3.7 6.9 11.4 10.4 2.2 0.0 0.0 0.0 34.3

Gunnedah Airport 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
38.0 37.0 33.7 29.7 25.0 21.0 20.0 23.0 27.6 32.0 35.2 36.9 33.9
Low Max
30.0 28.7 26.6 22.7 19.0 15.0 14.0 15.5 18.8 23.0 25.0 27.7 18.0
High Min
21.6 21.1 18.3 14.3 9.9 8.7 6.7 7.9 10.5 14.2 18.4 19.8 18.2
Low Min
15.0 14.6 11.1 7.0 0.5 -1.1 -2.0 -2.0 1.7 5.0 10.0 12.3 1.6

Gunnedah Airport Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
23 23 23 22 23 21 23 23 23 24 24 23 23.0
Earliest Entry
2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001
Latest Entry
2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
23 23 23 22 23 22 23 23 23 24 24 23 23.0
Earliest Entry
2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001
Latest Entry
2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
23 22 22 22 23 22 23 22 23 24 24 23 23.0
Earliest Entry
2002 2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001
Latest Entry
2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

GUNNEDAH AIRPORT AWS
NW Slopes & Plains, New South Wales/ACT
30.9537°S 150.2494°E 263m AMSL
Commenced 2001

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Rain and storms to increase over northern Australia

16:03 AEDT A late-season surge of tropical moisture will cause an increase in rain and thunderstorms over northern Australia in mid-to-late March, along with an elevated risk of tropical cyclone activity near Australia.

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