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Mount William Climate

Mount William Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
20.9 20.2 17.6 12.3 8.4 5.7 4.8 6.0 8.9 12.9 16.2 18.2 12.8
Mean Min (°C)
9.9 9.7 8.6 6.0 3.8 1.8 0.9 1.2 2.3 3.9 6.5 7.6 5.2
Mean Rain (mm)
77.5 35.8 56.5 78.6 128.7 128.2 183.9 149.2 123.2 78.7 70.4 68.5 1169.8
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
10.0 11.3 13.8 17.8 22.3 24.3 25.8 22.6 20.9 16.2 14.4 12.2 185.8

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 25.7 18.0 13.3 11.5 16.1 20.6 27.0 32.1 34.9 36.6
Low Max (°C)
8.4 7.0 5.4 2.4 1.5 -0.2 -0.4 -0.9 0.8 2.2 0.0 3.8 -0.9
High Min (°C)
25.9 25.6 23.2 16.9 11.4 7.6 6.4 8.2 12.2 19.3 20.4 22.5 25.9
Low Min (°C)
0.9 1.8 0.5 -1.2 -1.7 -2.6 -4.1 -2.9 -3.8 -3.3 -2.5 -0.5 -4.1
High Rain (mm)
134.6 40.8 35.4 62.8 60.6 40.2 70.0 49.0 78.6 51.2 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)
22.4 22.3 20.4 14.5 10.1 7.0 5.9 8.1 10.9 18.5 19.8 22.5 13.6
Low Mn. Max (°C)
19.0 16.9 14.5 9.5 6.8 4.0 3.7 3.6 6.8 10.1 13.0 14.7 11.8
High Mn. Min (°C)
10.9 12.1 11.2 7.6 5.6 3.2 2.0 2.9 4.4 7.6 10.8 10.5 5.8
Low Mn. Min (°C)
8.7 7.5 5.4 3.4 2.2 0.4 -0.2 0.1 0.9 2.2 4.3 5.6 4.7
High Rain (mm)
289.6 93.6 90.2 129.0 240.2 247.0 244.6 312.0 328.2 225.0 115.4 143.6 1427.0
Low Rain (mm)
2.6 2.8 16.0 22.8 88.0 56.4 123.8 0.0 65.2 11.4 29.2 0.0 794.4

Mount William Annual Temperatures & Rainfall

GRAMPIANS (MOUNT WILLIAM)

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Mount William Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°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
≥ 35.0°C
0.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6
≥ 30.0°C
3.0 1.3 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.3 5.8
≤ 2.0°C
0.3 0.2 0.8 4.1 9.0 16.1 22.8 22.2 16.7 14.3 6.1 2.9 99.0
≤ 0.0°C
0.0 0.0 0.0 0.9 1.8 5.7 9.5 10.9 7.3 5.7 1.4 0.2 36.9

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
12 12 12 12 12 11 11 11 11 11 11 12 11.4
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Maxima
12 12 12 12 12 11 11 11 11 11 11 12 11.4
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Rainfall
12 12 12 12 12 11 11 11 11 11 11 12 11.4
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Station Details

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

Weather News

A mild last month of spring for Sydney

17:12 EDT

November is shaping up to a disappointing month for those hoping for some late-Spring heat.

Kalgoorlie storm wreaks havoc, leaving homes and businesses without power

15:58 EDT

More than 16,000 homes and businesses remain without power in Kalgoorlie after the Goldfields region was battered by severe thunderstorms and winds of more than 100 kilometres per hour on Saturday afternoon.

Fierce Storms lash Western Australia

09:31 EDT

Wind gusts in excess of 110km/h were recorded yesterday afternoon as storms rolled over WA's southeast.