Perth Airport Climate

Perth Airport Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.8 31.9 29.7 25.6 21.8 19.0 18.0 18.6 20.2 22.8 26.1 29.2 24.5
Mean Min (°C)
17.1 17.6 16.0 13.0 10.4 9.0 8.1 8.0 8.9 10.4 12.8 15.0 12.2
Mean Rain (mm)
10.8 15.1 16.4 39.7 97.6 155.1 154.2 118.7 72.3 42.6 26.3 11.1 760.4
Median Rain (mm)
1.8 5.4 8.5 32.8 88.9 158.7 154.5 118.5 66.4 38.4 21.6 7.6 776.0
Mean Rain Days
2.5 2.8 4.1 7.4 12.3 16.3 17.7 15.8 13.3 9.3 6.5 3.9 112.0

Perth Airport Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
46.0 46.7 43.8 39.6 35.3 27.8 25.7 29.9 34.5 37.7 41.1 44.5 46.7
Low Max (°C)
19.7 17.1 15.8 13.9 11.7 9.4 10.7 9.9 12.7 12.3 14.2 15.2 9.4
High Min (°C)
28.5 28.7 28.6 23.9 20.8 17.7 16.2 16.7 19.2 21.3 26.3 27.5 28.7
Low Min (°C)
6.0 5.7 3.1 1.2 -0.4 -1.3 -1.0 0.1 -0.2 1.2 3.2 4.8 -1.3
High Rain (mm)
90.2 132.0 43.2 61.0 57.4 78.2 99.0 66.4 59.6 60.2 41.1 36.0 132.0

Perth Airport Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
35.6 36.3 32.8 29.0 24.4 21.5 19.7 21.5 23.1 27.0 30.3 33.9 26.1
Low Mn. Max (°C)
28.2 28.7 26.1 21.2 19.4 16.8 16.2 16.3 18.1 19.7 22.1 24.7 22.4
High Mn. Min (°C)
19.7 21.4 18.7 16.1 13.9 12.3 10.7 10.6 11.1 12.6 15.4 17.8 13.6
Low Mn. Min (°C)
13.3 13.9 13.2 9.1 6.9 5.4 5.5 4.9 6.8 8.1 9.6 12.1 10.5
High Rain (mm)
102.4 150.4 61.9 135.0 229.0 424.1 446.7 340.3 172.4 124.8 88.8 67.4 1164.7
Low Rain (mm)
0.0 0.0 0.0 0.0 12.4 23.0 30.6 19.0 11.5 1.3 1.3 0.0 479.6

Perth Airport Annual Temperatures & Rainfall

PERTH AIRPORT

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

Perth Airport Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
1.7 1.1 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.8 4.1
≥ 35.0°C
9.0 7.7 4.2 0.5 0.0 0.0 0.0 0.0 0.0 0.2 1.5 4.8 27.8
≥ 30.0°C
18.9 18.5 14.1 4.5 0.4 0.0 0.0 0.0 0.2 2.0 6.5 12.3 77.5
≤ 2.0°C
0.0 0.0 0.0 0.0 0.2 0.6 0.9 0.6 0.2 0.0 0.0 0.0 2.6
≤ 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 Airport 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
37.4 37.2 34.8 29.9 25.0 21.3 20.0 20.9 23.2 27.0 31.3 35.0 32.1
Low Max
25.8 26.3 24.8 21.6 18.6 16.4 15.7 16.1 17.3 18.9 21.2 23.5 17.9
High Min
20.7 21.1 19.7 16.9 14.2 12.4 11.4 11.3 12.1 13.7 16.1 18.6 17.4
Low Min
13.2 13.8 12.1 8.8 6.7 5.3 4.5 4.5 5.6 6.7 9.2 11.1 6.9

Perth Airport Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
77 77 77 76 76 77 77 77 77 77 77 77 76.0
Earliest Entry
1945 1945 1945 1945 1945 1944 1944 1944 1944 1944 1944 1944 1944
Latest Entry
2021 2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2021
Years of Maxima
77 77 77 76 76 77 77 77 77 77 77 77 76.0
Earliest Entry
1945 1945 1945 1945 1945 1944 1944 1944 1944 1944 1944 1944 1944
Latest Entry
2021 2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2021
Years of Rainfall
77 77 77 76 77 77 77 77 77 77 77 77 76.0
Earliest Entry
1945 1945 1945 1945 1944 1944 1944 1944 1944 1944 1944 1944 1944
Latest Entry
2021 2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2021

Station Details

PERTH AIRPORT
Perth, Western Australia
31.9275°S 115.9764°E 15m AMSL
Commenced 1944
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