Mount William Climate

Mount William Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
21.3 20.1 17.5 12.5 8.4 5.9 5.0 5.8 8.9 12.9 16.2 18.3 12.8
Mean Min (°C)
10.2 9.5 8.4 6.0 3.6 1.9 0.9 1.0 2.2 4.0 6.5 7.9 5.2
Mean Rain (mm)
66.3 36.2 58.1 78.4 134.2 135.4 176.7 154.1 117.1 79.8 72.7 61.3 1139.8
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
8.9 11.8 14.6 17.7 22.0 24.3 25.6 23.8 21.0 16.4 14.8 11.7 210.1

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 20.6 27.0 32.1 36.1 36.6
Low Max (°C)
7.8 7.0 5.4 2.4 0.1 -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 12.2 19.3 20.4 22.5 25.9
Low Min (°C)
0.9 1.8 -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 41.8 70.0 49.0 78.6 51.4 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 10.1 7.0 6.4 8.1 10.9 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 13.0 14.7 11.8
High Mn. Min (°C)
12.6 12.1 11.2 8.0 5.6 3.2 2.0 2.9 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 93.6 138.2 151.0 240.2 247.0 276.6 312.0 328.2 225.0 115.4 143.6 1427.0
Low Rain (mm)
2.6 2.8 16.0 22.8 88.0 47.4 64.6 0.0 49.6 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
0.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.7
≥ 30.0°C
3.4 1.2 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.4 6.9
≤ 2.0°C
0.3 0.1 1.0 4.1 9.6 15.9 23.1 22.2 17.1 13.8 6.7 2.9 116.0
≤ 0.0°C
0.0 0.0 0.1 0.8 2.3 5.6 9.1 11.4 8.3 5.3 1.5 0.3 44.5

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
16 16 16 16 16 15 16 16 15 15 15 15 15.0
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2021
Years of Maxima
16 16 16 16 16 15 16 16 15 15 15 15 15.0
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2021
Years of Rainfall
16 16 16 16 16 15 16 16 15 15 14 15 15.0
Earliest Entry
2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2006 2005 2005
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2021

Station Details

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

Weather News

Severe storms ramping up on Wednesday

15:43 EST

Wednesday will be the first big day in a three-day outbreak of widespread rain and severe thunderstorms across Australia's eastern and southeastern states.

What makes a thunderstorm severe?

12:20 EST

While all thunderstorms cause lightning and thunder, only a small proportion of the storms we see in Australia are considered severe.

Get a sneak peak into the new Weatherzone Beta website experience while we continue to build out its full functionality.
Explore new datasets, map layers, 7-day charts, 12-month trends and much more!