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Cape Willoughby Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
21.8 | 21.8 | 20.8 | 19.2 | 17.0 | 14.9 | 14.2 | 14.6 | 15.9 | 17.7 | 19.3 | 20.7 | 18.1 |
| Mean Min (°C) |
15.9 | 16.3 | 15.6 | 14.2 | 12.6 | 10.8 | 9.8 | 9.7 | 10.5 | 11.6 | 13.1 | 14.5 | 12.9 |
| Mean Rain (mm) |
18.3 | 17.9 | 21.3 | 38.9 | 61.4 | 76.2 | 81.9 | 74.2 | 55.7 | 41.5 | 28.3 | 22.8 | 542.5 |
| Median Rain (mm) |
9.4 | 7.6 | 15.3 | 34.9 | 57.9 | 71.2 | 74.0 | 71.5 | 53.4 | 35.2 | 24.0 | 18.5 | 519.0 |
| Mean Rain Days |
4.7 | 4.6 | 6.6 | 10.2 | 14.6 | 16.6 | 18.5 | 17.9 | 14.4 | 11.5 | 8.2 | 6.7 | 134.7 |
Cape Willoughby Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
42.2 | 39.3 | 38.5 | 32.7 | 26.0 | 23.1 | 21.2 | 22.1 | 27.5 | 33.7 | 39.0 | 41.0 | 42.2 |
| Low Max (°C) |
14.6 | 16.0 | 14.7 | 13.5 | 11.0 | 10.3 | 9.3 | 10.0 | 10.6 | 11.0 | 12.6 | 14.1 | 9.3 |
| High Min (°C) |
27.3 | 26.0 | 24.6 | 21.7 | 19.5 | 16.4 | 15.2 | 15.4 | 20.0 | 20.2 | 22.3 | 23.3 | 27.3 |
| Low Min (°C) |
6.1 | 9.2 | 7.2 | 5.2 | 4.8 | -1.5 | 3.6 | 0.9 | 2.0 | 3.4 | 5.7 | 7.0 | -1.5 |
| High Rain (mm) |
125.7 | 172.7 | 66.0 | 74.7 | 59.2 | 96.5 | 46.2 | 40.4 | 84.0 | 50.4 | 101.6 | 59.4 | 172.7 |
Cape Willoughby Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
24.1 | 24.9 | 23.8 | 21.3 | 18.5 | 16.3 | 15.3 | 16.8 | 18.4 | 20.4 | 23.4 | 24.1 | 19.2 |
| Low Mn. Max (°C) |
18.9 | 19.5 | 18.7 | 17.0 | 15.5 | 13.5 | 13.1 | 13.1 | 13.5 | 15.0 | 16.9 | 18.2 | 17.2 |
| High Mn. Min (°C) |
17.6 | 18.0 | 17.7 | 15.8 | 14.1 | 12.2 | 10.8 | 11.7 | 12.4 | 13.2 | 16.0 | 16.2 | 13.8 |
| Low Mn. Min (°C) |
13.7 | 14.6 | 14.1 | 12.4 | 10.6 | 9.2 | 8.5 | 8.1 | 8.6 | 9.5 | 11.2 | 12.2 | 11.8 |
| High Rain (mm) |
214.9 | 188.7 | 110.9 | 134.3 | 147.8 | 260.2 | 241.6 | 154.6 | 119.5 | 122.3 | 138.9 | 85.0 | 892.9 |
| Low Rain (mm) |
0.0 | 0.0 | 0.8 | 0.0 | 9.4 | 14.2 | 28.6 | 7.6 | 9.4 | 2.2 | 0.8 | 0.0 | 332.8 |
Cape Willoughby Annual Temperatures & Rainfall
Cape Willoughby Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
0.1 | 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 |
0.8 | 0.6 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 2.1 |
| ≥ 30°C |
2.9 | 2.2 | 1.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.9 | 2.0 | 9.5 |
| ≤ 2°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 |
| ≤ 0°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 | 0.0 |
Cape Willoughby 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
26.6 | 27.2 | 25.0 | 22.4 | 19.3 | 16.4 | 15.6 | 16.4 | 18.9 | 22.1 | 24.5 | 25.4 | 22.0 |
| Low Max |
18.0 | 18.1 | 17.5 | 16.2 | 14.7 | 13.2 | 12.6 | 12.5 | 13.0 | 14.0 | 15.4 | 16.7 | 14.0 |
| High Min |
17.7 | 18.2 | 17.7 | 16.3 | 14.6 | 12.4 | 11.5 | 11.5 | 12.4 | 13.5 | 15.0 | 16.4 | 16.0 |
| Low Min |
13.9 | 14.4 | 13.6 | 12.0 | 10.6 | 9.0 | 8.0 | 7.7 | 8.2 | 9.2 | 11.0 | 12.2 | 9.4 |
Cape Willoughby Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
56 | 57 | 54 | 55 | 56 | 56 | 57 | 56 | 55 | 58 | 56 | 56 | 56.0 |
| Earliest Entry |
1968 | 1968 | 1968 | 1968 | 1968 | 1968 | 1968 | 1968 | 1967 | 1967 | 1967 | 1967 | 1967 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2024 |
| Years of Maxima |
56 | 57 | 55 | 56 | 56 | 56 | 57 | 57 | 56 | 58 | 56 | 57 | 56.0 |
| Earliest Entry |
1968 | 1968 | 1968 | 1968 | 1968 | 1968 | 1968 | 1968 | 1967 | 1967 | 1967 | 1967 | 1967 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2024 |
| Years of Rainfall |
136 | 136 | 136 | 136 | 135 | 134 | 133 | 134 | 137 | 139 | 137 | 139 | 134.0 |
| Earliest Entry |
1882 | 1882 | 1881 | 1881 | 1881 | 1881 | 1882 | 1881 | 1881 | 1881 | 1881 | 1881 | 1881 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2024 |
Station Details
CAPE WILLOUGHBY
Kangaroo Island, South Australia
Kangaroo Island, South Australia
35.8426°S 138.1327°E
55m AMSL
Commenced 1881
Commenced 1881
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Nature?s air conditioner: how the seabreeze will help Sydney cope during the heatwave
14:37 AEDT As heatwave conditions take hold of southeastern Australia this weekend, the cooling seabreeze will be crucial in easing daytime heat, but how does it form? During periods with weak synoptic forcing, with a broad high pressure system moving slowly over the Tasman Sea, the seabreeze circulation dominates, as we can see below.
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