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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

Ex-Tropical Cyclone Alfred: Borroloola bridge collapses, town split in half after NT flooding

15:30 EDT

The community of Borroloola has been physically split in half after heavy rainfall and flooding caused by ex-Tropical Cyclone Alfred partly collapsed a bridge.

Ex-Tropical Cyclone Alfred makes landfall, weakens to tropical low

13:45 EDT

Tropical Cyclone Alfred has weakened to a tropical low as it nears landfall on the Gulf of Carpentaria's southern coast, but the Bureau of Meteorology warned the weather system remained powerful.

The last heat of summer for Perth

12:22 EDT

Perth, and much of Western Australia's southwest are about to experience their final scorcher of the summer.