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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)
27.8 26.9 24.7 20.5 16.2 13.9 13.1 14.5 16.2 19.2 23.0 24.8 20.1
Mean Min (°C)
12.3 12.5 10.8 8.9 7.1 4.8 4.7 5.5 6.0 6.8 9.6 10.1 8.3
Mean Rain (mm)
52.7 40.3 39.7 42.9 55.5 54.2 74.2 82.6 65.1 42.9 42.2 57.3 645.2
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
7.6 6.1 9.0 12.9 18.4 20.0 21.3 22.1 18.7 13.9 11.4 11.6 154.9

Casterton Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.5 42.9 40.9 34.6 26.9 22.4 19.2 23.4 26.5 34.5 38.2 42.2 44.5
Low Max (°C)
17.6 15.5 15.7 12.1 10.9 9.0 8.2 9.7 9.5 10.5 12.7 13.6 8.2
High Min (°C)
25.8 26.0 22.2 20.8 15.3 13.7 11.2 12.4 14.3 18.1 23.0 20.7 26.0
Low Min (°C)
3.0 3.5 0.2 0.5 -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 39.8 34.2 30.6 20.2 29.0 26.2 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)
29.2 29.5 28.3 23.6 17.6 15.4 13.7 15.7 17.0 21.2 26.4 26.6 20.6
Low Mn. Max (°C)
25.2 24.5 21.1 17.3 14.5 12.3 12.5 12.7 14.5 17.5 20.9 21.5 19.1
High Mn. Min (°C)
13.6 14.2 11.4 11.1 10.2 6.8 5.8 6.7 6.5 8.5 11.8 10.9 8.8
Low Mn. Min (°C)
10.6 11.0 9.2 7.2 5.2 2.3 3.8 3.9 5.0 4.7 8.3 8.6 7.3
High Rain (mm)
143.4 147.0 114.6 64.0 131.6 88.4 125.2 132.8 74.4 93.6 106.6 128.2 955.6
Low Rain (mm)
5.6 0.0 11.4 26.2 18.4 12.0 38.0 26.2 54.4 11.8 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°C
1.6 0.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.1
≥ 35°C
5.3 3.0 1.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 2.4 11.6
≥ 30°C
9.6 8.1 6.0 1.5 0.0 0.0 0.0 0.0 0.0 1.3 4.1 6.3 33.3
≤ 2°C
0.0 0.0 0.1 0.4 2.3 6.7 7.3 4.3 4.0 4.4 0.3 0.3 26.4
≤ 0°C
0.0 0.0 0.0 0.0 1.0 2.7 2.7 1.3 0.6 1.7 0.1 0.0 8.9

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
7 7 8 8 7 7 7 7 7 7 7 7 7.2
Earliest Entry
2006 2006 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Maxima
7 7 8 8 7 7 7 7 7 7 7 7 7.2
Earliest Entry
2006 2006 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Rainfall
7 8 8 8 7 7 7 7 7 7 7 7 7.2
Earliest Entry
2006 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 2005
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012

Station Details

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

Weather News

Grantham floods inquiry: Concerns raised about quarry wall years before 2011 flood, commission hears

20:14 EST

The Grantham Floods Commission of Inquiry has been shown graphic vision of the Lockyer Creek breaking its banks upstream from the Grantham quarry during the deadly 2011 disaster.

Parts of NSW on track for coldest July in around 17 years

19:12 EST

For many across New South Wales, July has been a cold month and for the younger generation, many won't be able to remember a month so cold.

Melbourne on target for coldest July in 17 years

14:23 EST

Melbourne is struggling through a July more typical of the mid 1900's.