Coonamble Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
35.3 33.9 31.1 26.3 21.5 17.7 17.2 19.5 23.8 27.6 30.8 33.2 26.4
Mean Min (°C)
20.5 19.4 17.0 12.1 7.3 5.1 3.7 4.2 7.5 11.5 15.5 18.0 11.7
Mean Rain (mm)
42.2 53.6 54.9 38.1 34.8 46.6 31.7 24.2 31.2 41.7 60.5 64.3 518.6
Median Rain (mm)
26.8 59.9 25.4 31.1 14.1 37.8 27.3 14.7 23.6 39.8 41.7 24.1 527.0
Mean Rain Days
5.9 6.0 6.2 4.0 5.0 7.8 6.8 4.9 4.8 5.8 7.0 6.4 70.0

Coonamble Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
47.6 46.9 42.0 35.5 30.1 25.2 25.1 32.3 38.4 39.4 45.0 44.3 47.6
Low Max (°C)
19.3 19.9 17.5 13.9 11.0 8.7 9.0 11.0 12.5 14.0 16.0 19.6 8.7
High Min (°C)
30.7 31.2 25.3 21.6 19.2 15.0 15.9 16.2 23.5 24.6 29.8 28.0 31.2
Low Min (°C)
9.5 7.9 4.8 0.0 -1.7 -3.1 -3.9 -3.8 -1.9 1.0 4.0 6.8 -3.9
High Rain (mm)
100.2 68.6 93.6 66.4 59.0 92.6 54.0 42.2 52.4 53.2 71.6 171.0 171.0

Coonamble Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
39.7 37.6 34.4 30.2 23.5 19.7 19.4 22.9 27.5 31.9 35.2 36.8 28.2
Low Mn. Max (°C)
31.2 29.3 28.3 23.1 19.6 15.2 14.6 16.6 19.9 23.7 26.1 28.2 24.3
High Mn. Min (°C)
25.7 21.4 18.9 14.8 10.0 7.6 5.8 7.4 9.2 14.7 18.8 20.2 13.1
Low Mn. Min (°C)
16.6 16.6 14.3 9.1 3.7 3.1 1.3 2.2 5.3 8.1 12.0 14.3 10.5
High Rain (mm)
212.2 209.6 169.6 137.4 120.0 193.8 151.8 74.8 81.0 118.4 181.8 287.0 1019.4
Low Rain (mm)
0.2 1.2 1.2 0.0 0.0 9.4 0.4 0.6 0.2 0.2 2.2 0.2 215.8

Coonamble Annual Temperatures & Rainfall

Coonamble annual climate

Coonamble Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
4.0 1.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.1 1.6 8.7
≥ 35°C
17.7 12.0 4.7 0.0 0.0 0.0 0.0 0.0 0.2 1.8 6.0 11.6 52.6
≥ 30°C
27.9 23.6 20.1 4.7 0.0 0.0 0.0 0.1 2.8 10.4 17.0 24.3 129.6
≤ 2°C
0.0 0.0 0.0 0.1 3.0 7.5 11.7 11.3 2.4 0.1 0.0 0.0 36.6
≤ 0°C
0.0 0.0 0.0 0.0 0.7 2.7 5.1 4.5 0.4 0.0 0.0 0.0 13.8

Coonamble 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
39.2 38.3 34.9 30.3 25.0 21.0 20.0 23.0 28.4 32.3 36.3 37.2 35.0
Low Max
30.7 29.0 27.0 22.0 17.8 14.0 13.9 15.8 19.0 22.1 25.8 28.8 17.7
High Min
23.6 23.0 20.0 16.3 11.7 9.8 8.0 8.5 12.0 15.7 19.8 21.4 19.8
Low Min
16.2 16.0 12.6 7.1 3.0 0.3 -0.1 -0.2 3.0 6.3 10.8 14.0 3.0

Coonamble Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
27 27 26 27 27 27 27 27 27 28 27 27 26.0
Earliest Entry
1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1997 1997
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Maxima
27 27 26 27 27 27 27 27 27 28 27 27 26.0
Earliest Entry
1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1997 1997
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Rainfall
27 27 26 27 27 27 27 27 26 27 27 27 26.0
Earliest Entry
1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1997 1997
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024

Station Details

COONAMBLE AIRPORT AWS
CW Slopes & Plains, New South Wales/ACT
30.9776°S 148.3798°E 182m AMSL
Commenced 1997

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Nature?s air conditioner: how the seabreeze will help Sydney cope during the heatwave

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