Willis Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
30.7 30.5 29.9 28.9 27.8 26.6 26.1 26.4 27.4 28.7 29.9 30.7 28.6
Mean Min (°C)
25.8 25.8 25.5 24.8 23.9 22.8 22.1 22.0 22.7 23.7 24.8 25.5 24.1
Mean Rain (mm)
185.0 205.7 199.5 126.0 72.1 53.0 41.1 22.1 14.7 20.5 36.4 100.2 1067.4
Median Rain (mm)
139.2 186.7 148.5 97.7 45.3 37.2 23.7 10.9 5.8 8.6 13.8 61.1 1053.7
Mean Rain Days
14.8 16.0 17.6 14.4 12.7 10.5 9.8 7.3 5.4 5.3 6.6 10.1 130.2

Willis Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
35.1 35.2 33.8 33.9 31.5 32.2 29.8 30.0 31.6 32.4 33.6 34.8 35.2
Low Max (°C)
25.1 25.6 25.1 24.2 23.6 21.9 20.7 22.1 23.2 24.2 25.1 24.7 20.7
High Min (°C)
28.9 29.2 28.5 27.6 27.1 26.4 26.4 25.6 26.0 27.0 27.9 28.3 29.2
Low Min (°C)
20.7 20.9 20.9 18.9 19.9 16.9 17.2 16.4 18.6 18.9 20.9 21.1 16.4
High Rain (mm)
294.8 329.2 335.8 229.9 246.4 178.2 162.0 116.8 72.6 121.9 119.6 170.9 335.8

Willis Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
32.4 32.8 31.5 30.6 29.4 28.5 27.7 27.6 28.9 30.3 31.4 32.5 29.6
Low Mn. Max (°C)
28.9 28.7 27.5 27.6 26.4 25.2 23.8 24.1 25.5 27.0 28.6 28.9 27.5
High Mn. Min (°C)
26.9 27.6 26.7 26.3 25.6 24.3 23.8 23.6 24.8 25.5 26.3 27.0 25.3
Low Mn. Min (°C)
24.3 24.6 24.5 23.3 22.5 21.3 20.1 20.1 21.1 21.9 23.4 24.5 23.3
High Rain (mm)
633.2 684.5 1484.8 510.7 394.4 319.7 252.8 216.3 206.4 165.8 408.2 463.6 2482.4
Low Rain (mm)
10.7 10.0 7.2 10.8 0.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0 240.6

Willis Island Annual Temperatures & Rainfall

Willis Island annual climate

Willis Island 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 0.0
≥ 35°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
≥ 30°C
23.7 19.9 15.3 4.0 0.5 0.0 0.0 0.0 0.2 4.1 14.3 23.8 105.8
≤ 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 0.0
≤ 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

Willis Island 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
32.0 31.7 30.9 29.8 28.8 27.7 27.1 27.5 28.4 29.9 31.0 31.8 30.8
Low Max
29.4 29.1 28.9 27.8 26.7 25.3 24.8 25.2 26.2 27.6 28.8 29.5 26.3
High Min
26.9 26.9 26.6 25.8 25.0 23.9 23.2 23.1 23.7 24.8 25.7 26.5 26.1
Low Min
24.4 24.4 24.2 23.6 22.6 21.3 20.6 20.7 21.5 22.5 23.6 24.3 22.0

Willis Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
99 98 98 96 93 92 93 94 94 94 95 96 93.0
Earliest Entry
1922 1922 1922 1922 1923 1923 1923 1922 1922 1922 1921 1921 1921
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Maxima
99 98 98 98 94 93 94 94 94 94 96 96 94.0
Earliest Entry
1922 1922 1922 1922 1922 1922 1922 1922 1922 1922 1921 1921 1921
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Rainfall
92 92 93 92 92 91 90 90 89 90 92 92 90.0
Earliest Entry
1922 1922 1922 1922 1922 1922 1922 1922 1922 1922 1921 1921 1921
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024

Station Details

WILLIS ISLAND
Central Coast, Queensland
16.2878°S 149.9652°E 10m AMSL
Commenced 1921

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Winter is Coming: Chilly day for Sydney, rain pelts eastern seaboard

17:22 AEST Just as we forecast yesterday, a coastal trough has deepened along the NSW and southeast Qld coasts as a low in the Coral Sea continues to inch closer to Qld.  The trough has brought some interesting weather to NSW in the past 36 hours or so, particularly along the coastal fringe, giving those New South Welshmen a “Stark” Game of Thrones reminder: winter is coming.

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