Perth Climate

Perth Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.2 31.5 29.6 26.0 22.3 19.5 18.5 19.1 20.5 23.5 26.7 29.3 24.8
Mean Min (°C)
18.1 18.3 16.8 13.8 10.5 8.6 8.0 8.4 9.6 11.6 14.3 16.4 12.8
Mean Rain (mm)
18.4 14.3 20.4 35.4 88.6 126.2 146.8 122.0 82.7 37.1 24.2 10.4 721.4
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
2.9 2.4 4.7 6.8 11.2 14.6 17.6 15.9 14.6 8.9 5.7 3.5 107.7

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 34.2 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 23.4 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 26.0 43.6 114.4

Perth Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.5 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 96.4 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 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
1.2 1.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.9 3.6
≥ 35.0°C
7.5 6.9 3.9 0.5 0.0 0.0 0.0 0.0 0.0 0.3 2.0 5.0 26.0
≥ 30.0°C
18.0 17.7 13.7 4.6 0.4 0.0 0.0 0.0 0.3 2.5 7.4 12.4 76.9
≤ 2.0°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
≤ 0.0°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
28 28 28 28 28 28 28 28 27 27 28 28 27.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2021
Years of Maxima
28 28 28 28 28 28 28 28 27 27 28 28 27.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2021
Years of Rainfall
28 29 29 29 29 29 29 29 28 27 28 28 28.0
Earliest Entry
1994 1993 1993 1993 1993 1993 1993 1993 1993 1994 1993 1993 1993
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2021

Station Details

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

Weather News

Contrails: Why do they form?

12:00 EDT

With travel restrictions beginning to gradually ease and international borders beginning to slowly open, airplanes, and the contrails they form are likely to become more frequent over the next few months.

Wet end to wild week of weather in Australia's southeast

11:46 EDT

There has been plenty of rain to go around in the southeast of Australia for the past week, and the rainfall totals for the past two days may have just summed up the week nicely.

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