Hume Reservoir Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.2 30.7 27.3 22.1 17.0 13.4 12.5 14.3 17.4 21.3 25.3 28.6 21.7
Mean Min (°C)
17.2 17.2 14.3 10.4 7.4 5.1 4.4 5.2 6.9 9.4 12.2 14.7 10.3
Mean Rain (mm)
50.8 41.8 47.6 51.8 58.3 67.3 75.5 75.4 61.0 67.4 56.0 49.4 702.4
Median Rain (mm)
25.4 33.0 33.1 36.4 52.0 64.7 70.6 76.8 57.3 63.6 44.5 37.1 688.9
Mean Rain Days
5.6 5.3 5.9 7.2 11.3 14.6 16.7 14.9 11.4 10.2 8.2 6.7 118.0

Hume Reservoir Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
45.5 44.9 39.2 34.8 28.2 21.6 21.3 24.3 30.7 35.2 40.5 42.1 45.5
Low Max (°C)
14.8 12.0 14.5 10.6 6.0 6.2 4.4 6.1 8.3 10.0 10.9 13.4 4.4
High Min (°C)
28.9 28.2 26.8 20.6 17.2 13.5 15.0 13.0 16.5 20.0 24.1 28.4 28.9
Low Min (°C)
6.8 6.7 3.6 1.1 -1.7 -2.7 -2.8 -2.3 -1.8 1.2 2.8 4.4 -2.8
High Rain (mm)
134.2 124.0 92.6 83.2 57.6 49.4 53.8 83.2 53.8 66.4 62.2 80.0 134.2

Hume Reservoir Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
36.6 34.4 30.4 26.4 19.6 15.8 14.0 17.1 21.2 26.8 30.0 32.3 23.5
Low Mn. Max (°C)
27.3 26.6 24.1 19.3 13.7 11.3 10.5 12.4 14.4 17.9 20.9 25.0 20.1
High Mn. Min (°C)
22.4 20.3 17.2 13.6 10.6 9.0 6.9 7.2 9.0 13.0 16.4 17.8 11.4
Low Mn. Min (°C)
13.0 13.9 11.2 6.8 5.0 2.4 1.9 3.1 4.5 7.5 9.7 11.2 9.1
High Rain (mm)
317.8 240.8 241.8 185.8 161.4 201.4 191.8 174.7 135.2 214.7 183.4 197.3 1217.9
Low Rain (mm)
0.5 0.0 0.3 0.0 0.0 7.2 17.0 4.8 5.4 2.6 0.0 0.0 270.2

Hume Reservoir Annual Temperatures & Rainfall

Hume Reservoir annual climate

Hume Reservoir Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
1.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.7
≥ 35°C
6.6 4.2 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 2.7 15.4
≥ 30°C
19.1 16.4 8.2 0.4 0.0 0.0 0.0 0.0 0.0 0.7 4.9 12.4 62.0
≤ 2°C
0.0 0.0 0.0 0.1 1.8 5.1 6.7 4.6 2.0 0.2 0.0 0.0 20.4
≤ 0°C
0.0 0.0 0.0 0.0 0.4 1.3 2.0 1.0 0.2 0.0 0.0 0.0 4.8

Hume Reservoir 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
35.8 35.4 31.6 26.2 20.4 15.8 14.7 17.1 20.6 25.2 30.2 33.5 30.7
Low Max
25.7 26.0 22.3 17.8 13.5 10.7 9.9 11.3 13.7 16.7 19.8 22.8 13.0
High Min
21.3 21.0 18.3 14.6 11.3 8.3 7.4 8.1 10.3 13.2 16.5 18.8 17.1
Low Min
12.4 13.1 9.7 6.2 3.4 1.7 1.1 2.0 3.2 5.3 7.6 10.2 4.1

Hume Reservoir Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
60 60 60 60 60 60 60 60 60 60 60 58 60.0
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2025 2024 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
60 58 58 58 59 59 59 60 59 60 60 59 59.0
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2025 2024 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
104 103 103 103 103 103 103 103 103 103 103 102 103.0
Earliest Entry
1922 1922 1922 1922 1922 1922 1922 1922 1922 1922 1922 1922 1922
Latest Entry
2025 2024 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

HUME RESERVOIR
Riverina, New South Wales/ACT
36.1039°S 147.0329°E 184m AMSL
Commenced 1922

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Cyclone Dianne delivers damaging gusts to WA Kimberley

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