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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
≥ 40.0°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
≥ 35.0°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
≥ 30.0°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
≤ 2.0°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
≤ 0.0°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

Power plant outages contributed to overloading scare during NSW heatwave, report finds

18:22 EDT

Australia's energy operator has found power plant failures contributed to the unprecedented pressure on the New South Wales electricity grid during this month's heatwave.

Sydney flying fox backyard rescues at record high due to food shortage, heat

15:24 EDT

Flying fox rescuers in Sydney are experiencing "the worst season ever" as a record number of bats get caught and injured in nets used to protect backyard fruit trees.

Weekend rainfall on the cards for hot and dry inland NSW

11:55 EDT

With a few days to go until the official end to the summer season, it looks like parts of New South Wales could still see the odd drop of rain.