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Perth Climate

Perth Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.1 31.7 29.7 25.9 22.4 19.3 18.4 19.1 20.3 23.3 26.5 29.1 24.7
Mean Min (°C)
18.1 18.3 16.6 13.8 10.6 8.5 7.6 8.3 9.6 11.4 14.3 16.3 12.8
Mean Rain (mm)
15.3 8.2 20.7 35.7 90.5 127.9 146.7 122.8 89.6 39.5 23.8 9.9 733.8
Median Rain (mm)
1.5 3.4 9.2 25.4 88.6 123.2 142.0 124.8 85.6 38.4 20.7 4.3 737.8
Mean Rain Days
2.5 2.0 4.3 6.7 11.6 15.0 17.1 15.7 15.4 8.8 6.0 3.6 108.4

Perth Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
43.3 44.5 42.4 37.3 34.3 26.2 25.8 27.2 34.2 37.2 40.3 44.2 44.5
Low Max (°C)
19.7 21.8 18.1 15.9 11.5 11.5 12.5 13.2 13.5 15.8 16.0 19.5 11.5
High Min (°C)
29.7 27.7 28.1 23.4 19.2 16.3 16.5 17.1 18.2 21.3 24.4 27.3 29.7
Low Min (°C)
8.9 10.0 6.3 4.7 1.3 -0.7 0.0 1.3 1.0 2.2 5.0 7.9 -0.7
High Rain (mm)
104.0 30.4 40.2 69.6 50.4 57.0 88.8 63.8 35.8 68.2 26.0 43.6 104.0

Perth Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.5 34.6 31.9 28.5 24.4 20.3 19.5 21.6 22.0 25.0 29.6 31.5 25.7
Low Mn. Max (°C)
28.8 29.0 27.5 23.3 20.7 17.9 16.7 17.6 18.6 20.7 23.6 23.7 23.5
High Mn. Min (°C)
20.1 21.0 18.6 16.7 13.8 10.6 10.6 10.7 11.6 13.0 15.9 18.2 14.0
Low Mn. Min (°C)
16.6 16.7 15.1 11.7 8.8 5.8 4.4 5.6 8.0 9.7 12.4 13.9 11.9
High Rain (mm)
139.0 47.6 69.6 153.6 191.2 251.0 278.6 175.6 144.2 96.4 58.2 75.8 904.8
Low Rain (mm)
0.0 0.0 0.0 4.2 26.4 24.6 34.6 27.8 35.2 5.2 4.4 0.0 466.8

Perth Annual Temperatures & Rainfall

PERTH METRO

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

Perth Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
1.1 1.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 3.3
≥ 35.0°C
7.5 7.2 4.0 0.5 0.0 0.0 0.0 0.0 0.0 0.3 1.7 4.6 25.0
≥ 30.0°C
17.5 17.8 13.7 4.6 0.4 0.0 0.0 0.0 0.1 2.2 7.0 11.9 72.8
≤ 2.0°C
0.0 0.0 0.0 0.0 0.0 0.7 3.0 0.6 0.3 0.0 0.0 0.0 4.4
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.2

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
36.4 36.7 34.6 29.8 26.0 21.7 20.5 21.0 22.9 27.2 31.7 35.0 31.7
Low Max
25.4 25.8 24.5 21.8 19.0 16.7 16.1 16.5 17.4 19.4 21.5 23.4 18.3
High Min
20.9 21.1 20.0 17.0 14.6 12.4 12.2 11.9 12.9 14.8 17.0 19.0 18.0
Low Min
14.8 14.8 13.0 9.5 6.3 4.0 2.9 3.8 5.7 7.7 11.0 13.2 6.8

Perth 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 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
Years of Maxima
21 21 21 21 21 21 21 21 21 21 22 22 21.1
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
Years of Rainfall
21 22 22 22 22 22 22 22 22 21 22 22 21.8
Earliest Entry
1994 1993 1993 1993 1993 1993 1993 1993 1993 1994 1993 1993 1993
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

PERTH METRO
Perth, Western Australia
31.9192°S 115.8728°E 25m AMSL
Commenced 1993
Display Your Local Weather

Weather News

Adelaide weather: SES distributes sandbags as storm-force winds and heavy rains threaten

15:26 EST

Adelaide residents are preparing for heavy rain, high seas and strong winds forecast to hit later this week, in what the SES says could be one of the most significant weather events it has seen in South Australia.

NSW weather: Forbes declared a natural disaster zone after flooding

12:37 EST

Forbes has been declared a natural disaster zone after the region was hit by flooding over the weekend.

NSW weather: Further rainfall expected in Forbes, floodwaters to reach higher peaks

11:10 EST

Further rain expected in the central west of New South Wales could see the Lachlan River at Forbes reach a higher peak, despite it already being inundated with the greatest water levels in 25 years.