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Home › Climate › Swanbourne Climate

Swanbourne Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
 29.7 30.4 29.0 25.3 22.3 19.3 18.3 18.7 19.7 22.0 25.3 27.8 24.0
Mean Min (°C)
 18.2 18.6 17.4 15.1 12.6 10.6 9.6 9.8 10.9 12.1 14.6 16.5 13.9
Mean Rain (mm)
 16.1 7.2 20.0 39.6 89.5 130.2 151.5 112.6 80.4 43.8 24.0 10.9 712.9
Median Rain (mm)
 1.2 1.7 12.2 29.2 81.2 126.2 144.4 122.6 80.2 32.4 21.7 5.1 742.4
Mean Rain Days
 2.6 1.8 3.6 7.4 11.7 16.7 18.6 16.9 15.4 8.6 5.5 3.5 102.3

Swanbourne Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
 43.1 43.0 42.8 35.9 31.5 26.2 25.9 26.2 29.8 37.1 41.1 43.0 43.1
Low Max (°C)
 20.4 21.2 18.4 16.7 13.2 12.5 12.2 12.8 13.2 15.9 16.0 19.3 12.2
High Min (°C)
 28.0 27.2 28.8 23.9 20.2 17.0 15.6 17.3 17.0 21.1 23.6 25.9 28.8
Low Min (°C)
 4.7 7.3 7.5 3.0 6.0 2.9 2.4 3.1 3.1 2.9 4.3 5.7 2.4
High Rain (mm)
 79.0 27.0 51.8 64.0 62.2 63.8 75.0 82.0 45.0 76.0 30.2 29.8 82.0

Swanbourne Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
 33.1 34.0 31.2 27.8 24.0 20.2 19.4 20.0 21.5 24.0 29.0 30.5 25.4
Low Mn. Max (°C)
 27.8 28.9 27.4 23.0 20.6 18.0 16.7 17.4 18.4 19.8 22.8 22.8 22.8
High Mn. Min (°C)
 20.4 21.0 19.1 16.3 15.1 12.6 11.6 11.8 11.9 13.7 16.2 18.3 14.9
Low Mn. Min (°C)
 16.4 17.0 16.1 12.9 11.1 9.0 7.6 8.2 9.6 10.2 12.6 14.5 12.9
High Rain (mm)
 140.8 49.0 82.4 146.4 211.6 226.4 240.0 144.8 136.8 106.2 77.0 67.0 873.0
Low Rain (mm)
 0.0 0.0 0.0 5.6 22.0 23.2 54.8 31.0 30.4 5.0 1.0 0.0 497.8

Swanbourne Annual Temperatures & Rainfall

Swanbourne annual climate

Swanbourne Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
 0.8 0.6 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 2.2
≥ 35°C
 5.1 5.3 3.1 0.1 0.0 0.0 0.0 0.0 0.0 0.2 1.3 3.7 17.8
≥ 30°C
 12.9 14.0 12.1 3.0 0.3 0.0 0.0 0.0 0.0 1.6 4.8 8.9 54.7
≤ 2°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
≤ 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

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
 35.0 35.9 33.8 29.1 25.0 21.4 20.2 20.6 21.9 25.4 30.0 34.2 30.3
Low Max
 24.8 24.9 24.2 21.6 19.1 17.1 16.3 16.6 17.4 18.8 21.1 22.8 18.2
High Min
 21.0 21.6 20.8 18.2 16.0 13.8 13.0 13.0 13.9 15.1 17.5 19.6 18.5
Low Min
 15.1 15.1 13.9 11.8 9.3 7.5 6.2 6.8 7.9 9.0 11.5 13.2 9.0

Swanbourne Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
 19 19 19 19 18 18 18 18 19 19 19 19 18.3
Earliest Entry
 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993 1993 1993
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Maxima
 19 19 19 19 18 18 18 18 19 19 19 19 18.4
Earliest Entry
 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993 1993 1993
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Rainfall
 19 19 19 19 18 18 18 18 18 18 19 19 18.5
Earliest Entry
 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012

Station Details

SWANBOURNE
Perth, Western Australia
31.9558°S 115.7619°E 41m AMSL
Commenced 1985

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