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Casterton Climate

Casterton Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
27.9 27.2 24.9 20.4 16.3 13.7 13.0 14.3 16.4 19.4 22.6 25.2 20.1
Mean Min (°C)
12.2 12.6 11.1 8.9 7.2 5.1 5.0 5.5 6.2 6.9 9.0 10.1 8.3
Mean Rain (mm)
39.3 31.9 35.5 46.3 66.2 67.5 84.8 81.2 65.4 46.4 35.9 42.9 642.2
Median Rain (mm)
17.8 21.2 23.7 40.9 40.6 46.8 63.5 80.2 63.3 39.9 32.3 35.3 573.1
Mean Rain Days
6.5 6.4 9.5 13.0 19.2 20.0 22.6 22.3 18.7 13.7 11.2 10.7 163.9

Casterton Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.5 43.3 40.9 36.1 27.5 22.4 19.2 23.4 26.6 34.5 38.2 42.5 44.5
Low Max (°C)
17.6 15.5 14.1 12.1 9.4 8.9 7.6 9.7 9.5 10.5 11.9 13.6 7.6
High Min (°C)
25.8 26.0 22.2 20.8 15.8 13.7 12.4 12.4 14.8 18.1 23.0 22.2 26.0
Low Min (°C)
3.0 3.5 0.2 0.4 -2.2 -3.1 -3.7 -1.6 -1.7 -1.9 -0.4 0.7 -3.7
High Rain (mm)
96.4 91.6 34.0 29.0 52.4 34.2 30.6 21.4 46.6 28.0 74.4 74.0 96.4

Casterton Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
29.7 29.5 28.3 23.6 18.0 15.4 13.7 15.7 17.8 23.5 26.4 29.9 20.7
Low Mn. Max (°C)
25.2 24.5 21.1 17.3 14.5 12.3 12.0 12.7 14.5 17.3 19.7 21.5 19.1
High Mn. Min (°C)
13.6 14.2 13.3 11.1 10.2 7.0 6.2 6.7 8.2 8.7 11.8 11.3 8.8
Low Mn. Min (°C)
10.6 11.0 8.7 6.7 5.2 2.3 3.8 3.9 5.0 4.7 7.6 8.6 7.3
High Rain (mm)
143.4 147.0 114.6 96.2 131.6 121.6 131.6 143.6 123.0 100.8 106.6 128.2 955.6
Low Rain (mm)
0.6 0.0 11.4 23.0 18.4 12.0 38.0 26.2 29.2 5.2 12.8 8.0 389.8

Casterton Annual Temperatures & Rainfall

CASTERTON

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

Casterton Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
1.7 0.3 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.3
≥ 35.0°C
4.9 3.3 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.6 2.5 12.2
≥ 30.0°C
9.9 8.8 6.0 1.2 0.0 0.0 0.0 0.0 0.0 1.2 3.9 6.5 35.2
≤ 2.0°C
0.0 0.0 0.1 0.5 2.2 6.1 6.3 3.8 3.6 3.7 0.5 0.3 25.1
≤ 0.0°C
0.0 0.0 0.0 0.0 0.6 2.1 2.0 1.3 0.6 1.0 0.1 0.0 7.1

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
35.3 34.4 31.9 25.4 18.9 15.7 14.9 17.2 19.4 25.1 29.9 31.7 27.7
Low Max
22.1 21.0 18.7 15.9 13.4 11.6 11.3 11.9 13.1 14.4 17.0 18.9 13.2
High Min
16.3 16.3 15.0 12.3 10.9 8.1 8.0 8.8 9.7 11.2 13.2 14.6 12.9
Low Min
7.7 8.3 6.8 4.9 3.3 0.8 0.6 2.0 2.1 2.0 5.1 5.6 3.4

Casterton Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
12 12 13 13 13 12 12 12 12 12 12 12 12.2
Earliest Entry
2006 2006 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Maxima
12 12 13 13 13 12 12 12 12 12 12 12 12.2
Earliest Entry
2006 2006 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Rainfall
12 13 13 13 13 12 12 12 12 12 12 12 12.2
Earliest Entry
2006 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Station Details

CASTERTON
South West, Victoria
37.5830°S 141.3339°E 131m AMSL
Commenced 2005
Display Your Local Weather

Weather News

100 years ago, a cyclone without a name killed 30 people and almost levelled a young city

10:09 EDT

Nearly one year after tropical cyclone Debbie hit the north Queensland coast, the region is marking the centenary of another destructive cyclone, which all but flattened the young town of Mackay.

Southern states swelter as power supply struggles

00:08 EDT

The power supply in Victoria and South Australia is being put to the test as five of the states and territories face an extreme heatwave, after temperatures in some areas hit 40 degrees Celsius.

Melbourne hits 42C before cool change as authorities defend 'heat kills' warnings

21:48 EDT

Melburnians — and the world's best tennis players — have battled through temperatures of about 42 degrees Celsius, as energy authorities curtailed some industrial users' power consumption and firefighters across Victoria stood on high alert.