Mount William Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
21.2 20.1 17.5 12.4 8.4 5.8 5.1 6.1 8.9 12.6 15.8 18.1 12.6
Mean Min (°C)
10.2 9.5 8.4 6.0 3.6 1.8 1.0 1.3 2.3 4.0 6.3 7.8 5.1
Mean Rain (mm)
66.1 32.2 54.4 82.9 128.2 135.4 166.7 151.1 118.9 94.1 77.2 63.2 1163.8
Median Rain (mm)
46.8 35.4 30.4 79.0 119.2 107.8 156.0 123.4 86.8 56.4 73.2 99.4 1109.8
Mean Rain Days
9.3 11.3 14.8 18.3 22.2 23.3 24.4 23.9 21.1 17.1 15.5 12.1 211.6

Mount William Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
36.6 36.6 32.2 26.1 18.0 13.4 12.1 16.1 20.8 27.0 32.1 36.1 36.6
Low Max (°C)
7.8 6.6 5.4 2.4 -0.2 -0.2 -0.4 -0.9 -0.5 2.2 0.0 3.8 -0.9
High Min (°C)
25.9 25.6 23.2 19.6 11.4 7.6 6.4 8.2 12.9 19.3 20.4 22.5 25.9
Low Min (°C)
0.9 1.0 -0.1 -1.2 -2.1 -2.6 -4.1 -3.8 -3.8 -3.3 -2.5 -0.5 -4.1
High Rain (mm)
134.6 40.8 45.8 62.8 60.6 49.2 70.0 49.0 78.6 61.8 58.4 70.0 134.6

Mount William Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
24.8 22.3 20.4 16.5 10.2 7.0 6.4 8.8 11.5 18.5 19.8 22.5 14.1
Low Mn. Max (°C)
19.0 16.9 14.5 9.5 6.8 4.0 3.7 3.6 6.8 10.1 11.3 14.7 11.8
High Mn. Min (°C)
12.6 12.1 11.2 8.0 5.6 3.2 2.0 3.6 4.4 7.6 10.8 10.7 5.9
Low Mn. Min (°C)
8.7 7.5 5.4 3.4 2.2 0.4 -0.2 0.1 0.9 2.2 4.1 5.6 4.6
High Rain (mm)
289.6 93.6 138.2 177.0 240.2 324.8 276.6 312.0 328.2 240.8 115.4 183.2 1511.6
Low Rain (mm)
2.6 2.8 7.0 22.8 43.8 4.8 9.8 0.0 49.6 11.4 29.2 0.0 794.4

Mount William Annual Temperatures & Rainfall

Mount William annual climate

Mount William Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
≥ 35°C
0.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.6
≥ 30°C
2.9 1.3 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.2 5.9
≤ 2°C
0.3 0.2 0.8 3.8 9.5 16.4 22.9 20.9 16.6 13.2 7.1 3.1 115.1
≤ 0°C
0.0 0.0 0.1 0.7 2.3 5.9 9.0 10.4 8.1 5.0 1.8 0.2 43.9

Mount William 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
27.8 27.4 24.6 17.2 11.6 8.1 6.9 9.9 13.4 19.0 24.1 24.0 21.5
Low Max
14.3 13.3 10.9 6.9 5.0 2.9 2.4 3.1 4.4 6.0 9.3 11.1 4.7
High Min
16.8 16.0 14.0 9.7 6.5 3.8 2.5 3.8 5.0 8.4 13.7 13.4 11.4
Low Min
4.4 3.7 3.7 1.8 0.9 -0.5 -0.8 -0.9 -0.7 -0.4 1.7 2.3 0.2

Mount William Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
19 19 19 19 19 18 19 19 19 19 18 18 18.0
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Maxima
19 19 19 19 19 18 19 19 19 19 18 18 18.0
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024
Years of Rainfall
19 19 19 19 19 18 19 19 19 19 17 18 18.0
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2024

Station Details

GRAMPIANS (MOUNT WILLIAM)
South West, Victoria
37.2950°S 142.6039°E 1150m AMSL
Commenced 2005

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10.1 million lightning strikes in one electrifying week

17:51 AEDT Australia was lit up like the proverbial Christmas Tree last week, with an incredible 10.1 million lightning strikes across the country up until midnight on Sunday.

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