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Swanbourne Climate

Swanbourne Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
29.9 30.7 29.0 25.5 22.3 19.4 18.4 18.9 19.9 22.3 25.4 28.0 24.1
Mean Min (°C)
18.2 18.7 17.3 15.2 12.7 10.6 9.6 10.1 11.1 12.3 14.7 16.5 13.9
Mean Rain (mm)
14.6 6.6 21.4 36.6 91.6 124.9 149.5 115.6 84.5 43.6 24.4 11.8 721.2
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
2.3 1.7 3.7 7.3 12.4 17.1 18.4 17.3 15.5 8.5 5.6 3.4 108.5

Swanbourne Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.3 43.0 42.8 35.9 31.5 26.2 25.9 26.2 34.2 37.1 41.1 43.0 44.3
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 15.8 17.3 17.2 21.1 23.6 25.9 28.8
Low Min (°C)
4.7 7.3 7.5 3.0 5.0 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 30.2 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 31.1 27.9 24.0 20.2 19.5 21.5 21.9 25.0 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 17.7 15.1 12.6 11.6 12.2 12.5 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 82.4 146.4 211.6 226.4 240.0 164.2 160.8 106.2 77.0 67.0 873.0
Low Rain (mm)
0.0 0.0 0.0 4.8 22.0 23.2 42.0 31.0 30.4 5.0 1.0 0.0 497.8

Swanbourne Annual Temperatures & Rainfall

SWANBOURNE

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

Swanbourne Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.8 0.8 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.3
≥ 35.0°C
5.3 5.9 3.1 0.2 0.0 0.0 0.0 0.0 0.0 0.2 1.3 3.8 19.2
≥ 30.0°C
13.3 14.5 11.8 3.3 0.2 0.0 0.0 0.0 0.0 1.7 4.9 9.3 57.1
≤ 2.0°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
≤ 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
21 21 21 21 21 21 21 21 22 22 22 22 21.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993 1993 1993
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
21 21 21 21 21 21 21 21 22 22 22 22 21.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993 1993 1993
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
21 21 21 21 21 21 21 21 21 21 22 22 21.2
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

SWANBOURNE
Perth, Western Australia
31.9558°S 115.7619°E 41m AMSL
Commenced 1985
Display Your Local Weather

Weather News

Hunter comes out of the cold after 'average' winter

07:04 EST

Several significant cold snaps in July were the only remarkable weather events in what the Bureau of Meteorology has labelled an average winter.

NSW Upper Western wades through a wet winter

17:44 EST

Much of the state has seen great rainfall over winter, with only the north and central coast missing out.

Snow falls on WA's Bluff Knoll for second time in weeks

17:21 EST

Snow has fallen in Western Australia's Stirling Ranges, including Bluff Knoll, for the second time in a matter of weeks, after a chilly night in the Great Southern.