Windy Harbour Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
23.6 23.8 23.4 22.0 19.9 17.7 16.8 17.1 17.7 18.9 20.9 22.2 20.2
Mean Min (°C)
14.4 14.6 13.9 12.4 10.9 9.3 8.5 9.0 9.5 10.7 11.8 13.2 11.4
Mean Rain (mm)
16.7 17.2 30.8 69.4 143.2 171.7 193.9 165.5 112.2 69.6 41.1 26.3 1051.6
Median Rain (mm)
8.7 8.4 20.9 59.4 124.8 144.0 185.4 170.8 101.1 59.2 38.1 17.6 1019.6
Mean Rain Days
5.9 6.0 8.9 12.9 18.4 20.2 22.8 22.9 19.7 15.5 10.8 8.2 168.7

Windy Harbour Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
39.5 39.8 40.3 34.5 30.2 24.7 22.7 25.5 29.4 30.9 37.2 37.0 40.3
Low Max (°C)
16.5 18.0 16.3 15.1 13.8 11.4 11.6 11.5 12.6 12.4 13.8 15.8 11.4
High Min (°C)
23.0 21.0 20.8 21.0 18.6 16.4 15.0 15.8 16.0 17.1 19.2 20.0 23.0
Low Min (°C)
5.0 2.0 3.5 4.3 0.5 -0.5 -14.0 -5.0 1.5 -1.0 3.0 3.5 -14.0
High Rain (mm)
65.0 66.8 58.3 78.0 78.2 73.6 103.8 77.8 56.0 56.0 30.0 53.2 103.8

Windy Harbour Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
25.4 25.9 25.3 24.4 21.8 18.8 17.7 18.6 19.2 21.1 23.3 24.0 21.0
Low Mn. Max (°C)
21.8 21.7 21.5 19.7 18.2 16.0 16.0 15.5 15.8 17.2 19.3 20.1 19.3
High Mn. Min (°C)
16.1 16.4 15.4 14.4 13.1 11.0 10.0 11.9 11.1 13.2 13.3 14.9 12.2
Low Mn. Min (°C)
12.2 12.3 12.5 10.4 8.3 7.2 6.3 6.9 8.1 8.2 9.6 11.0 10.4
High Rain (mm)
95.1 109.1 134.5 210.2 252.6 370.2 299.9 326.4 256.4 144.8 102.7 85.4 1333.8
Low Rain (mm)
1.3 1.1 4.2 4.4 73.0 88.8 81.1 65.2 47.8 31.2 7.3 4.6 740.0

Windy Harbour Annual Temperatures & Rainfall

Windy Harbour annual climate

Windy Harbour Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
≥ 35°C
0.3 0.3 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 1.1
≥ 30°C
1.5 1.3 2.0 0.7 0.0 0.0 0.0 0.0 0.0 0.1 0.7 0.9 6.8
≤ 2°C
0.0 0.0 0.0 0.0 0.1 0.4 0.8 0.1 0.1 0.0 0.0 0.0 1.3
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.1

Windy Harbour 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
25.5 26.5 26.3 24.8 22.3 19.7 18.5 18.8 19.7 20.7 23.3 24.0 23.6
Low Max
20.7 20.8 20.3 19.0 17.3 15.6 14.8 14.8 15.4 16.3 18.0 19.5 16.3
High Min
17.4 17.6 17.4 16.0 14.3 12.4 11.5 11.6 12.2 13.0 15.0 16.2 15.6
Low Min
10.5 10.7 9.4 8.0 7.3 5.5 5.4 5.7 6.5 7.5 8.5 9.4 7.4

Windy Harbour Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
26 28 26 29 28 31 34 31 33 27 29 28 29.0
Earliest Entry
1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
25 27 27 28 27 32 34 30 34 28 30 29 30.0
Earliest Entry
1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
37 38 37 38 39 38 38 35 38 39 38 37 39.0
Earliest Entry
1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

WINDY HARBOUR
Southwest, Western Australia
34.8373°S 116.0260°E 5m AMSL
Commenced 1984

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