Perth Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.3 31.6 29.6 26.0 22.3 19.5 18.5 19.1 20.5 23.4 26.6 29.4 24.8
Mean Min (°C)
18.1 18.4 16.8 13.8 10.5 8.6 8.0 8.4 9.6 11.6 14.3 16.5 12.8
Mean Rain (mm)
17.8 13.9 19.9 36.7 88.4 124.0 146.8 122.0 82.0 40.1 25.0 10.2 727.3
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
2.8 2.4 4.7 6.8 11.1 14.6 17.6 15.9 14.5 9.1 5.6 3.4 108.2

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 34.2 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 61.2 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 24.4 21.4 19.5 21.6 22.9 26.8 29.6 33.1 25.7
Low Mn. Max (°C)
28.8 29.0 27.5 23.3 20.6 17.8 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 10.7 11.6 13.6 16.0 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 1.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.0 3.7
≥ 35°C
7.7 7.0 3.9 0.4 0.0 0.0 0.0 0.0 0.0 0.3 2.0 5.1 26.2
≥ 30°C
18.1 17.9 13.7 4.6 0.4 0.0 0.0 0.0 0.4 2.4 7.4 12.6 77.2
≤ 2°C
0.0 0.0 0.0 0.0 0.1 0.6 2.3 0.5 0.2 0.0 0.0 0.0 3.8
≤ 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
29 29 29 29 29 29 28 28 28 28 29 29 28.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
2022 2022 2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2022
Years of Maxima
29 29 29 29 29 29 28 28 28 28 29 29 28.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
2022 2022 2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2022
Years of Rainfall
29 30 30 30 30 30 29 29 29 28 29 29 29.0
Earliest Entry
1994 1993 1993 1993 1993 1993 1993 1993 1993 1994 1993 1993 1993
Latest Entry
2022 2022 2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2022

Station Details

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

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WA snow potential as wintry weather arrives from today

12:33 AEST One of this season’s coldest air masses to cross southwestern Australia could produce hail near Perth and deliver a dusting of snow in the Stirling Ranges during the next 48 hours.

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