Perth Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.4 31.7 29.6 26.0 22.4 19.5 18.5 19.1 20.6 23.4 26.7 29.5 24.8
Mean Min (°C)
18.1 18.4 16.9 13.8 10.5 8.7 8.1 8.4 9.7 11.6 14.4 16.5 12.9
Mean Rain (mm)
16.7 13.1 20.0 35.9 86.2 127.1 147.0 122.7 79.3 38.6 24.7 9.5 722.3
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
2.6 2.4 4.6 6.8 11.0 14.8 17.8 16.1 14.2 8.9 5.6 3.3 107.7

Perth Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.4 44.5 42.4 39.5 34.3 26.2 25.8 30.0 34.3 37.2 40.4 44.2 44.5
Low Max (°C)
19.7 17.4 18.4 15.9 11.5 11.5 12.5 12.1 13.5 15.8 16.0 19.0 11.5
High Min (°C)
29.7 27.7 28.1 23.6 19.2 16.3 16.5 17.1 18.2 21.3 24.4 27.3 29.7
Low Min (°C)
8.9 9.9 6.3 4.7 1.3 -0.7 0.0 1.3 1.0 2.2 5.0 6.6 -0.7
High Rain (mm)
104.0 114.4 40.2 69.6 50.4 71.2 88.8 63.8 35.8 68.2 40.4 43.6 114.4

Perth Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.7 34.6 31.9 28.5 24.9 21.4 19.5 21.6 22.9 26.8 30.3 33.1 25.7
Low Mn. Max (°C)
28.8 29.0 27.5 23.3 20.6 17.4 16.8 17.6 18.5 20.7 23.6 23.7 23.5
High Mn. Min (°C)
20.1 21.0 18.6 16.7 13.8 10.7 10.6 11.4 12.1 13.6 17.1 18.3 14.0
Low Mn. Min (°C)
16.6 16.7 15.1 11.7 8.7 5.8 4.4 5.6 7.6 9.7 12.4 13.9 11.9
High Rain (mm)
139.0 137.2 69.6 153.6 191.2 251.0 278.6 186.0 144.2 122.8 92.0 75.8 904.8
Low Rain (mm)
0.0 0.0 0.0 0.0 17.8 24.6 34.6 27.8 31.4 5.2 3.2 0.0 466.8

Perth Annual Temperatures & Rainfall

Perth annual climate

Perth Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
1.3 1.2 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.0 3.7
≥ 35°C
7.6 7.3 3.7 0.5 0.0 0.0 0.0 0.0 0.0 0.3 2.1 5.1 26.6
≥ 30°C
18.3 18.0 13.7 4.6 0.4 0.0 0.0 0.0 0.4 2.6 7.5 12.9 78.3
≤ 2°C
0.0 0.0 0.0 0.0 0.1 0.6 2.2 0.5 0.2 0.0 0.0 0.0 3.6
≤ 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
31 31 31 31 31 31 31 31 31 30 31 31 30.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2023 2024
Years of Maxima
31 31 31 31 31 31 31 31 31 30 31 31 30.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2023 2024
Years of Rainfall
31 32 32 32 32 32 32 32 32 30 31 31 31.0
Earliest Entry
1994 1993 1993 1993 1993 1993 1993 1993 1993 1994 1993 1993 1993
Latest Entry
2024 2024 2024 2024 2024 2024 2024 2024 2024 2024 2023 2023 2024

Station Details

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

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